| Amps | Height | Type | Fuse Class | Price | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| - | - | - | - | £831.54 | ||||||
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| - | - | - | - | £1135.56 | ||||||
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| - | 12" | - | - | £1181.35 | ||||||
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| - | 31 1/2" | - | - | £5291.49 | ||||||
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| - | 31 1/2" | - | - | £5641.77 | ||||||
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| - | - | - | - | £5291.49 | ||||||
|
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| - | - | - | - | £1313.26 | ||||||
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| - | - | - | - | £1313.26 | ||||||
|
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| - | - | - | - | £1313.26 | ||||||
|
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| - | - | - | - | £1313.26 | ||||||
|
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| - | - | - | - | £1400.17 | ||||||
|
|
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| - | - | - | - | £1313.26 | ||||||
|
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| - | - | - | - | £1313.26 | ||||||
|
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| - | 31 1/2" | DBA2 | Class E | £13462.27 | ||||||
|
|
||||||||||
| - | - | - | - | £1069.64 | ||||||
|
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| 3A | 1" | DBA1 | Class E | £3745.61 | ||||||
|
|
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| 3A | 2 1/4" | DBA1 | Class E | £4060.63 | ||||||
|
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| 3A | 2 1/4" | DBA1 | Class E | £4410.51 | ||||||
|
|
||||||||||
| 3A | 1" | DBA2 | Class E | £4111.92 | ||||||
|
|
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| 3A | 1" | DBA2 | Class E | £11804.65 | ||||||
|
|
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| 3A | 2 1/4" | DBA1 | Class E | £5372.06 | ||||||
|
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| 3A | 1" | DBA2 | - | £13462.27 | ||||||
|
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| 3A | 1" | DBA1 | - | RFQ | ||||||
|
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| 5A | 1" | DBA1 | Class E | £3745.61 | ||||||
|
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| 5A | 1" | DBA1 | Class E | £4060.63 | ||||||
|
|
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| 5A | 2.3" | DBA1 | Class E | £4702.44 | ||||||
|
|
||||||||||
| 5A | 1" | DBA2 | Class E | £11804.65 | ||||||
|
|
||||||||||
| 7A | 31 1/2" | DBA1 | Class E | £4410.51 | ||||||
|
|
||||||||||
| 7A | 2 1/4" | DBA1 | Class E | £5727.7 | ||||||
|
|
||||||||||
| 7A | 1" | DBA2 | - | £13462.27 | ||||||
Expulsion Fuse Refill Unit, Class E, 7A, 72 Kv, 69 Kv Nominal, Epoxy TubeModel No. 72DBA2-7E SKU BJ6WWR |
||||||||||
| 10A | 2 1/4" | DBA1 | Class E | £3745.61 | ||||||
Expulsion Fuse Refill Unit, 10A, 15.5 kV, 14.4 kV Nominal, Epoxy TubeModel No. 15DBA1-10E SKU BJ6DPK |
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| 10A | 2 1/2" | DBA1 | Class E | £4410.51 | ||||||
|
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| 10A | 1" | DBA1 | Class E | £5321.5 | ||||||
|
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| 15A | 1" | DBA1 | Class E | £3745.61 | ||||||
Expulsion Fuse Refill Unit, 15A, 15.5 kV, 14.4 kV Nominal, Epoxy TubeModel No. 15DBA1-15E SKU BJ6DPM |
||||||||||
| 15A | 55.88 mm | DBA1 | Class E | £4410.51 | ||||||
Expulsion Fuse Refill Unit, Class E, 15A, 34.5 Kv, 34.5 Kv Nominal, Epoxy TubeModel No. 38DBA1-15E SKU BJ6MHU |
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| 15A | 1" | DBA1 | Class E | £4991.1 | ||||||
|
|
||||||||||
| 15A | 3 1/5" | DBA1 | Class E | £5372.06 | ||||||
|
|
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| 15A | 1" | DBA2 | Class E | £13462.27 | ||||||
|
|
||||||||||
| 20A | 1" | DBA1 | Class E | £5321.5 | ||||||
|
|
||||||||||
| 20A | 1" | DBA2 | Class E | £11804.65 | ||||||
|
|
||||||||||
| 20A | 2 1/5" | DBA1 | Class E | £5727.7 | ||||||
|
|
||||||||||
| 25A | 2 1/4" | DBA1 | Class E | £4410.51 | ||||||
|
|
||||||||||
| 30A | 1" | DBA1 | Class E | £3993.58 | ||||||
Expulsion Fuse Refill Unit, 30A, 15.5 kV, 14.4 kV Nominal, Epoxy TubeModel No. 15DBA1-30E SKU BJ6DPU |
||||||||||
| 30A | 1" | DBA1 | Class E | £4991.1 | ||||||
|
|
||||||||||
| 30A | 2 1/4" | DBA2 | Class E | £13462.27 | ||||||
|
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||||||||||
| 40A | 1" | DBA1 | Class E | £3993.58 | ||||||
Expulsion Fuse Refill Unit, 40A, 15.5 kV, 14.4 kV Nominal, Epoxy TubeModel No. 15DBA1-40E SKU BJ6DPQ |
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| 40A | - | DBA1 | Class E | RFQ | ||||||
|
|
||||||||||
| 40A | 1" | DBA1 | Class E | £4991.1 | ||||||
|
|
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| 40A | 1" | DBA2 | Class E | £11804.65 | ||||||
|
|
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| 40A | 2 3/5" | DBA1 | Class E | £5372.06 | ||||||
|
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| 50A | 1" | DBA1 | Class E | £3993.58 | ||||||
Expulsion Fuse Refill Unit, 50A, 15.5 kV, 14.4 kV Nominal, Epoxy TubeModel No. 15DBA1-50E SKU BJ6DPN |
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| 50A | 1" | DBA1 | Class E | £4060.63 | ||||||
|
|
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| 50A | 2 1/5" | DBA1 | Class E | £4410.51 | ||||||
|
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| 50A | 1" | DBA1 | Class E | £4991.1 | ||||||
Dba Expulsion Fuse, Dba Expulsion Fuse Refill, Type Dba1, 50E, 48 Kv Max, 46 Kv NominalModel No. 48DBA1-50E SKU BJ6QRC |
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| 50A | 31 1/2" | DBA1 | Class E | £5372.06 | ||||||
Dba Expulsion Fuse, Dba Expulsion Fuse Refill, Type Dba1, 50E, 72 Kv Max, 69 Kv NominalModel No. 72DBA1-50E SKU BJ6WWK |
||||||||||
| 50A | 3 1/5" | DBA2 | Class E | £13462.27 | ||||||
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| 65A | 1" | DBA1 | - | £3745.61 | ||||||
Expulsion Fuse Refill Unit, 65A, 15.5 kV, 14.4 kV Nominal, Epoxy TubeModel No. 15DBA1-65E SKU BJ6DPP |
||||||||||
| 65A | 2 1/5" | DBA1 | Class E | £4410.51 | ||||||
|
|
||||||||||
| 65A | 2 1/4" | DBA1 | Class E | £4991.1 | ||||||
|
|
||||||||||
| 65A | 2 1/4" | DBA2 | Class E | £11804.65 | ||||||
|
|
||||||||||
| 65A | 2 1/2" | DBA1 | Class E | £5372.06 | ||||||
|
|
||||||||||
| 65A | 2 1/5" | DBA2 | - | £13462.27 | ||||||
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|
||||||||||
| 80A | 1" | DBA1 | Class E | £3745.61 | ||||||
Expulsion Fuse Refill Unit, Class E, 80A, 15.5 Kv, 14.4 Kv Nominal, Epoxy TubeModel No. 15DBA1-80E SKU BJ6DPT |
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| 80A | 2 1/5" | DBA1 | Class E | £4702.44 | ||||||
Expulsion Fuse Refill Unit, Class E, 80A, 38 Kv, 34.5 Kv Nominal, Epoxy TubeModel No. 38DBA1-80E SKU BJ6MJF |
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| 80A | 1" | DBA2 | Class E | £4384.12 | ||||||
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| 80A | 1" | DBA1 | Class E | £4991.1 | ||||||
Dba Expulsion Fuse, Dba Expulsion Fuse Refill, Type Dba1, 80E, 48 Kv Max, 46 Kv NominalModel No. 48DBA1-80E SKU BJ6QRJ |
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| 80A | 1" | DBA2 | Class E | £11804.65 | ||||||
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| 80A | 4 1/5" | DBA1 | Class E | £5372.06 | ||||||
Expulsion Fuse Refill Unit, Class E, 80A, 72 Kv, 69 Kv Nominal, Epoxy TubeModel No. 72DBA1-80E SKU BJ6WWN |
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| 80A | 1" | DBA1 | - | £2853.64 | ||||||
|
|
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| 100A | 2 1/4" | DBA1 | Class E | £3993.58 | ||||||
Expulsion Fuse Refill Unit, 100A, 15.5 Kv, 14.4 Kv Nominal, Epoxy TubeModel No. 15DBA1-100E SKU BJ6DPL |
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| 100A | 1" | DBA1 | Class E | £4060.63 | ||||||
Expulsion Fuse Refill Unit, 100A, 25.5 kV, 23 kV Nominal, Epoxy TubeModel No. 25DBA1-100E SKU BJ6HXH |
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| 100A | 2.3" | DBA1 | Class E | £4410.51 | ||||||
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| 100A | 1" | DBA1 | Class E | £4991.1 | ||||||
|
|
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| 100A | 1" | DBA2 | Class E | £11970.91 | ||||||
|
|
||||||||||
| 100A | 1" | DBA1 | Class E | £5372.06 | ||||||
Expulsion Fuse Refill Unit, Class E, 100A, 72 Kv, 69 Kv Nominal, Epoxy TubeModel No. 72DBA1-100E SKU BJ6WWA |
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| 125A | 1" | DBA1 | Class E | £4060.63 | ||||||
Expulsion Fuse Refill Unit, 125A, 25.5 kV, 23 kV Nominal, Epoxy TubeModel No. 25DBA1-125E SKU BJ6HXK |
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| 125A | 2 1/5" | DBA1 | Class E | £4410.51 | ||||||
Expulsion Fuse Refill Unit, Class E, 125A, 38 Kv, 34.5 Kv Nominal, Epoxy TubeModel No. 38DBA1-125E SKU BJ6MHZ |
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| 125A | 1" | DBA2 | Class E | £4111.92 | ||||||
Dba Expulsion Fuse, Dba Expulsion Fuse Refill, Type Dba2, 125E, 38 Kv MaxModel No. 38DBA2-125E SKU BJ6MJU |
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| 125A | 1" | DBA2 | Class E | £11804.65 | ||||||
|
|
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| 125A | 2 1/4" | DBA1 | Class E | £5372.06 | ||||||
|
|
||||||||||
| 125A | 2 1/2" | DBA2 | Class E | £13462.27 | ||||||
Expulsion Fuse Refill Unit, Class E, 125A, 72 Kv, 69 Kv Nominal, Epoxy TubeModel No. 72DBA2-125E SKU BJ6WWJ |
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| 150A | 2.1" | DBA1 | Class E | £4410.51 | ||||||
Expulsion Fuse Refill Unit, 150A, 38 kV, 34.5 kV Nominal, Epoxy TubeModel No. 38DBA1-150E SKU BJ6MHP |
||||||||||
| 150A | 2 1/4" | DBA2 | Class E | £4111.92 | ||||||
Expulsion Fuse Refill Unit, 150A, 38 kV, 34.5 kV Nominal, Epoxy TubeModel No. 38DBA2-150E SKU BJ6MJR |
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| 150A | 1" | DBA2 | Class E | £11804.65 | ||||||
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| 150A | 1" | DBA2 | Class E | £13462.27 | ||||||
|
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| 200A | 2 1/4" | DBA2 | Class E | £11804.65 | ||||||
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| 200A | 1" | DBA1 | - | £2853.64 | ||||||
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Working Mechanism
- Under fault conditions, the fuse element melts and the helical spring pulls the arching rod & arc through the cylinder.
- The upper end of the arching rod drives through a small hole in the top of the ferrule of the fuse unit and strikes the trigger-releasing ejector.
- The trigger then operates and causes the ejector spring to force the ejector casting against the fuse assembly and causes it to swing through a 180-degree arc into a drop-out position.
- The drop-out action provides an immediate visual indication that the circuit to which the fuse is connected has been interrupted.
Frequently Asked Questions
Q. What is an air break?
A. The air break eliminates any possibility of carbonised fuse parts breaking down to prevent leakage or other faults in a system after it has been interrupted.
Q. What is a replaceable-type expulsion fuse?
A. Replacement-type expulsion fuses can be easily replaced after they have been tripped or blown due to excessive current flow. Unlike traditional fuses that must be replaced with a new one after they have opened, expulsion fuses have a replacement element that can be easily taken out using a switch stick without having to replace the entire unit.
Q. How to install these DBA fuse units?
A.
- Remove fuse fittings from the hinge casting.
- Check the gauging distance between the centre of the guide pin in the latch housing and the bottom of the socket in the hinge casting.
- Install the suitable fuse unit equipped with fittings in the mounting.
- Check the operation of the latch assembly by closing and opening the fuse units.
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