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Molded case circuit breakers protect various electrical circuits and equipment from overcurrents and short circuits. These breakers consist of a molded case housing that encloses the circuit
...Read moreSiemens SHJD Series circuit breakers are designed for providing protection against overloads and short-circuit conditions to prevent electrical hazards. These devices feature a thermal-magnetic trip for delivering both long-time and instantaneous current limiting functions and a bolt-on mounting facility for compatibility with panelboards and switchboards. They are further integrated with solid-state protection mechanisms to electronically control the current flow and provide advance safety for sensitive appliances. These UL-listed breakers provide a maximum current rating of 400A at an interrupt capacity of 35kA at 480VAC.
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G| Style | Model | Amps | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | SHJD69200 | - | RFQ
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| B | SHJD69200G | - | RFQ
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| B | SHJD69200NT | £8,319.18 | |||||||
| C | SHJD69200NGT | - | RFQ
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| D | SHJD69300NGT | - | RFQ
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| D | SHJD69300 | - | RFQ
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| D | SHJD69300NT | - | RFQ
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| C | SHJD69300G | - | RFQ
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| E | SHJD69400 | - | RFQ
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| D | SHJD69400NGTH | - | RFQ
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| F | SHJD69400NGT | - | RFQ
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| B | SHJD6B400LIGH | - | RFQ
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| C | SHJD69400G | - | RFQ
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| C | SHJD69400H | - | RFQ
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| G | SHJD69400NT | - | RFQ
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General Electric Spectra Series moulded case circuit breakers are suitable for reverse feed applications and protection against short circuits & overloads. Spectra SKLA cricuit breakers feature a solid-state trip system & front-mounted plugs to change the breaker current ratings and a bolt-on mounting design for easy installation in both horizontal & vertical orientations. The breakers are equipped with an interchangeable RMS trip unit for providing instantaneous, long-time and short-time trip functions and use digital sampling to find the RMS value of sinusoidal & non-sinusoidal currents. They can accommodate aluminium wires of sizes up to 500 kcmil. SKLA breakers are available in 800A and 1200A current ratings on Raptor Supplies.
A| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | SKLA36AI0800 | - | RFQ
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| A | SKLA36AI1200 | £8,247.92 | RFQ
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Eaton CC Series circuit breakers provide overcurrent protection by limiting current flow. These circuit breakers come with a thermal-magnetic trip system that offers both long-time and instantaneous functionalities for optimal protection. The CC frame design provides an interrupting rating of 10kA @ 240V and current up to 225A for reverse feed applications. They feature bolt-on mounting and load side lug terminals for smooth installation. These molded case circuit breakers are available in 2 & 3 pole options on Raptor Supplies.
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C| Style | Model | Amps | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | TQD32125ST1 | £2,285.66 | RFQ
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| A | TQD32150ST1 | £2,105.34 | RFQ
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| B | TQD32175ST1 | £1,916.57 | RFQ
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| C | TQD32200ST1 | £2,285.66 | RFQ
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| A | TQD32225ST1 | £1,916.57 | RFQ
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General Electric Spectra Series SGLL circuit breakers are suitable for control panels & switchboards for protection against current overloads & short-circuits. These UL-listed circuit breakers feature MicroVersa Trip unit for providing long time, instantaneous & target trip functions and bolt-on mounting design for ease of installation & wiring. They are equipped with a solid state protection mechanism to electronically control the current flow and provide advanced safety for appliances. These 3 pole, 3 phase Spectra Series circuit breakers are available in 400 and 600A current ratings on Raptor Supplies.
A| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
|---|---|---|---|---|---|---|---|---|
| A | SGLL36AT0400 | £5,740.40 | RFQ
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| A | SGLL36AT0600 | - | RFQ
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| A | SGLL36BA0400 | - | RFQ
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B| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | |
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| A | TEL136150WL | RFQ
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| A | TEL136080WL | RFQ
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| A | TEL136100WL | RFQ
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| A | TEL136015WL | RFQ
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| A | TEL136030WL | RFQ
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| A | TEL136060WL | RFQ
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| A | TEL136070WL | RFQ
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| A | TEL136090WL | RFQ
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| A | TEL136020WL | RFQ
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| B | TEL136025WL | RFQ
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| A | TEL136040WL | RFQ
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B| Style | Model | Amps | Number Of Poles | Voltage Type | Frame Type | Voltage | |
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| A | THJK636350WL | RFQ
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| B | THJK636F000 | RFQ
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B| Style | Model | MPN | |
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| A | CHLD3125T52W | RFQ
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| A | CHLD3125T52WPN | RFQ
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| A | CHLD3125T52WZG | RFQ
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| A | CHLD3125T52WZGP | RFQ
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| A | CHLD3125T56W | RFQ
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| A | CHLD3125T56WPN | RFQ
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| A | CHLD3125T56WZG | RFQ
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| A | CHLD3125T56WZGP | RFQ
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| A | CHLD3125T57W | RFQ
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| A | CHLD3125T57WPN | RFQ
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| A | CHLD3125T57WZG | RFQ
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| A | CHLD3125T57WZGP | RFQ
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| A | CHLD3125T76W | RFQ
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| A | CHLD3125T77W | RFQ
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| A | CHLD3125T106W | RFQ
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| A | CHLD3125T107W | RFQ
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| A | CHLD3250T52W | RFQ
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| A | CHLD3250T52WPN | RFQ
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| A | CHLD3250T52WZG | RFQ
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| A | CHLD3250T52WZGP | RFQ
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| A | CHLD3250T56W | RFQ
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| A | CHLD3250T56WPN | RFQ
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| A | CHLD3250T56WZG | RFQ
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| A | CHLD3250T56WZGP | RFQ
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| A | CHLD3250T57W | RFQ
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C| Style | Model | Number Of Poles | Circuit Breaker Type | Voltage | Type | Price (inc. VAT) | |
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| A | JGS305033WC | £2,542.73 | |||||
| A | JGH310032WC | £5,308.79 | |||||
| A | JGH305032WC | £5,308.79 | |||||
| A | JGC316036W | £6,352.75 | |||||
| A | JGS316036WC | £3,638.47 | |||||
| A | JGH310035WC | £5,871.24 | |||||
| A | JGE316033WC | £2,006.18 | |||||
| B | JGC3125FAGC | £5,664.88 | |||||
| A | JGH305033WC | £11,159.64 | |||||
| A | JGMPH250W | - | RFQ
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| C | JGX3160AAG | £7,004.22 | |||||
| A | JGS316035WC | - | RFQ
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| A | JGH310033WC | - | RFQ
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| A | JGMPH050W | - | RFQ
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| A | JGH325035WC | £6,292.04 | |||||
| A | JGH325033WC | £5,155.04 | |||||
| A | JGMPH100W | £5,685.12 | |||||
| A | JGE310035WC | £2,931.17 | |||||
| A | JGU625032W | - | RFQ
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| A | JGS310036WC | £3,638.47 | |||||
| A | JGH316035WC | - | RFQ
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| A | JGH325032WC | £5,604.19 | |||||
| A | JGS305036WC | - | RFQ
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| A | JGMPS100W | - | RFQ
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| A | JGMPS250W | £7,489.20 |
| Style | Model | MPN | |
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| A | CLDB3600FT32W | RFQ
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| A | CLDB3600FT33W | RFQ
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| A | CLDB3600FT33WP05 | RFQ
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| A | CLDB3600FT35W | RFQ
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| A | CLDB3600FT36W | RFQ
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| Style | Model | MPN | |
|---|---|---|---|
| A | CLDC3125T52W | RFQ
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| A | CLDC3125T52WPN | RFQ
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| A | CLDC3125T52WZG | RFQ
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| A | CLDC3125T52WZGP | RFQ
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| A | CLDC3125T56W | RFQ
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| A | CLDC3125T56WPN | RFQ
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| A | CLDC3125T56WZG | RFQ
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| A | CLDC3125T56WZGP | RFQ
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| A | CLDC3125T57W | RFQ
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| A | CLDC3125T57WPN | RFQ
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| A | CLDC3125T57WZG | RFQ
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| A | CLDC3125T57WZGP | RFQ
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| A | CLDC3125T76W | RFQ
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| A | CLDC3125T77W | RFQ
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| A | CLDC3125T106W | RFQ
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| A | CLDC3125T107W | RFQ
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| A | CLDC3250T52W | RFQ
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| A | CLDC3250T52WPN | RFQ
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| A | CLDC3250T52WZG | RFQ
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| A | CLDC3250T52WZGP | RFQ
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| A | CLDC3250T56W | RFQ
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| A | CLDC3250T56WPN | RFQ
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| A | CLDC3250T56WZG | RFQ
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| A | CLDC3250T56WZGP | RFQ
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| A | CLDC3250T57W | RFQ
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| Style | Model | MPN | |
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| A | CLDCB3600FT32W | RFQ
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| A | CLDCB3600FT33W | RFQ
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| A | CLDCB3600FT35W | RFQ
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| A | CLDCB3600FT36W | RFQ
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| Style | Model | MPN | |
|---|---|---|---|
| A | HLD3125T56W | RFQ
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| A | HLD3125T56WPN | RFQ
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| A | HLD3125T56WZG | RFQ
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| A | HLD3125T56WZGP | RFQ
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| A | HLD3125T57W | RFQ
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| A | HLD3125T57WPN | RFQ
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| A | HLD3125T57WZG | RFQ
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| A | HLD3125T57WZGP | RFQ
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| A | HLD3125T106W | RFQ
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| A | HLD3250T56W | RFQ
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| A | HLD3250T56WPN | RFQ
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| A | HLD3250T56WZG | RFQ
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| A | HLD3250T56WZGP | RFQ
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| A | HLD3250T57W | RFQ
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| A | HLD3250T57WPN | RFQ
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| A | HLD3250T57WZG | RFQ
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| A | HLD3250T57WZGP | RFQ
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| A | HLD3250T76W | RFQ
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| A | HLD3250T77W | RFQ
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| A | HLD3250T106W | RFQ
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| A | HLD3250T106WP22 | RFQ
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| A | HLD3250T107W | RFQ
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| A | HLD3400T52W | RFQ
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| A | HLD3400T56W | RFQ
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| A | HLD3400T56WPN | RFQ
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B| Style | Model | MPN | Price (inc. VAT) | |
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| A | HMDLB3800FT32W | £17,588.66 | ||
| B | HMDLB3800FT36W | £21,499.36 |
| Style | Model | MPN | Price (inc. VAT) | |
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| A | NG3700S02 | £13,443.13 | ||
| A | NG3700WS01 | £11,873.86 | ||
| A | NG3800A13 | £13,287.22 | ||
| A | NG3800S10X04Y02 | - | RFQ
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| A | NG3800S10Z03 | £13,443.13 | ||
| A | NG31000A09S01 | - | RFQ
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| A | NG31000B05S01 | - | RFQ
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| A | NG31000C04S01 | - | RFQ
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| A | NG31000C10S01 | - | RFQ
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| A | NG31000S01 | - | RFQ
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| A | NG31000WM01 | - | RFQ
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| A | NG31000WS01 | - | RFQ
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| A | NG31200A05S01 | - | RFQ
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| A | NG31200A09S01 | - | RFQ
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| A | NG31200A12S01 | - | RFQ
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| A | NG31200B05S01 | - | RFQ
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| A | NG31200C04S01 | - | RFQ
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| A | NG31200C10S01 | - | RFQ
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| A | NG31200S03 | - | RFQ
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| Style | Model | MPN | |
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| A | HNWF316T32V3WP35 | RFQ
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| A | HNWF316T32WP35 | RFQ
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| A | HNWF316T33V3WP35 | RFQ
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| A | HNWF316T33WP35 | RFQ
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| A | HNWF316T35V3WP35 | RFQ
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| A | HNWF316T35WP35 | RFQ
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| A | HNWF316T36V3WP35 | RFQ
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| A | HNWF316T36WP35 | RFQ
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| Style | Model | MPN | |
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| A | NWF316T32V3WP35 | RFQ
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| A | NWF316T32WP35 | RFQ
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| A | NWF316T33V3WP35 | RFQ
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| A | NWF316T33WP35 | RFQ
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| A | NWF316T35V3WP35 | RFQ
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| A | NWF316T35WP35 | RFQ
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| A | NWF316T36V3WP35 | RFQ
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| A | NWF316T36WP35 | RFQ
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| A | NWF416T32V3WP35 | RFQ
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| A | NWF416T32WP35 | RFQ
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| A | NWF416T33V3WP35 | RFQ
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| A | NWF416T33WP35 | RFQ
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| A | NWF416T321V3WP35 | RFQ
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| A | NWF416T321WP35 | RFQ
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| A | NWF416T326V3WP35 | RFQ
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| A | NWF416T326WP35 | RFQ
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| A | NWF416T331V3WP35 | RFQ
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| A | NWF416T331WP35 | RFQ
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| A | NWF416T336V3WP35 | RFQ
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| A | NWF416T336WP35 | RFQ
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| Style | Model | MPN | |
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| A | NDU3800T32W | RFQ
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| A | NDU3800T33W | RFQ
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| A | NDU3800T35W | RFQ
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| A | NDU3800T36W | RFQ
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| Style | Model | MPN | |
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| A | CRDC316T32W | RFQ
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| A | CRDC316T33W | RFQ
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| A | CRDC316T35W | RFQ
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| A | CRDC316T36W | RFQ
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| A | CRDC316T52W | RFQ
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| A | CRDC316T56W | RFQ
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| A | CRDC316T76W | RFQ
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| A | CRDC316T76XW | RFQ
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| A | CRDC316T77W | RFQ
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| A | CRDC316T77XW | RFQ
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| A | CRDC316T86W | RFQ
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| A | CRDC316T86XW | RFQ
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| A | CRDC316T94W | RFQ
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| A | CRDC316T94XW | RFQ
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| A | CRDC316T95W | RFQ
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| A | CRDC316T95XW | RFQ
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| A | CRDC316T96W | RFQ
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| A | CRDC316T96XW | RFQ
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| A | CRDC316T106W | RFQ
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| A | CRDC316T106XW | RFQ
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| A | CRDC316T107W | RFQ
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| A | CRDC316T107XW | RFQ
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| A | CRDC320T32W | RFQ
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| A | CRDC320T33W | RFQ
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| A | CRDC320T33WAB | RFQ
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B| Style | Model | MPN | |
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| A | RD316KL04T25Z03 | RFQ
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| A | RD316KL05T25Z03 | RFQ
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| B | RD316T32W | RFQ
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| A | RD316T33W | RFQ
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| A | RD316T33WP01Z01 | RFQ
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| A | RD316T33WP02S29Y01 | RFQ
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| B | RD316T35W | RFQ
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| B | RD316T36W | RFQ
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| A | RD316T36WP01X01 | RFQ
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| A | RD316T52W | RFQ
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| A | RD316T53W | RFQ
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| A | RD316T55W | RFQ
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| A | RD316T56W | RFQ
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| A | RD316T56WP44Z02 | RFQ
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| A | RD316T76W | RFQ
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| A | RD316T76XW | RFQ
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| A | RD316T77W | RFQ
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| A | RD316T77XW | RFQ
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| A | RD316T82W | RFQ
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| A | RD316T83W | RFQ
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| A | RD316T85W | RFQ
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| A | RD316T85XW | RFQ
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| A | RD316T86W | RFQ
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| A | RD316T86XW | RFQ
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| A | RD316T91W | RFQ
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Molded case circuit breakers are designed to prevent the flow of faulty power supplies into sensitive electrical equipment that may cause overloads and short circuits. With current ratings up to 1600A, these units are ideal for isolation applications in large PV systems. Raptor Supplies offers a wide range of these MCCBs from brands like ABB, Square D, Eaton, General Electric and Siemens. Square D circuit breakers come equipped with a thermal-magnetic trip unit which instantly opens under faulty currents and are capable of providing both time-delayed and instantaneous current limiting functions. These units feature an I-line type configuration at the ON end for facilitating bus connections in panelboards and lugs at the OFF end for cable connection. General Electric molded case circuit breakers feature a programmable electronic trip unit which accentuates the toggle when the current exceeds the predetermined value. These breakers come equipped with bolt-on type terminals for easy installation in reverse-feed applications. They are available in 2 and 3 pole options with a maximum voltage rating of 600VAC on Raptor Supplies.
While both molded case circuit breakers and conventional circuit breakers serve the same primary purpose of protecting electrical circuits, MCCBs are a specific type of circuit breaker with a molded case for added durability and protection.
Once the fault or overload is resolved, you can reset the MCCB to restore power to the circuit.
Molded case circuit breakers are designed for higher current ratings and are used in industrial settings with heavy machinery, while MCBs are smaller and designed for residential or light commercial applications with lower current ratings.
Yes, MCCBs are commonly used in three-phase systems. Brands like WEG, Siemens and ABB come in various configurations to suit single-phase or three-phase applications.
Selecting the right MCCB involves considering factors such as the system's voltage, current rating, environmental conditions and specific protection requirements.
