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MACROMATIC

For more than 40 years, Macromatic has been manufacturing industrial-grade relays and controls for applications in HVAC, food & beverage and material handling applications, as well as in car wash systems, lifts or elevators and packaging equipment. Micromatic has its headquarters located in Waukesha, Wisconsin. Read More

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HVAC and Refrigeration

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RelaysView all

  • Alternating Relays

    SPDT and DPDT cross-wired alternating relays suitable for applications in pumps, motors and air compressors. Feature an LED indicator that shows the next load to energise, and a selector switch to alternate the two loads or always operate the same load first each time

  • Current Sensor Relays

    Ideal for applications requiring over- or under-current protection of sensitive equipment, such as monitoring status of lamp loads or heaters and detecting conveyor jam-up conditions. Feature encapsulated construction ensuring protection against harsh environments

  • Relay Accessories

    Include spacers, metal & plastic retainers and jumpers that act as supplementary components to enhance the performance and functionality of Macromatic relays.

  • Relay Sockets

    10 A relay sockets featuring an 8- / 11-pin socket capable of delivering a maximum input voltage of 600 V when establishing an electrical connection between relays and circuits

  • Safety Monitoring Relays

    One- and four-channel intrinsically safe barrier relays designed to protect field circuits from excess voltage and current. Can be easily mounted on a 35 mm DIN-rail or panel-mounted with two #8 screws

  • Safety Relays

    Ensure safe operation of equipment & systems by monitoring the performance of safety circuits and interrupting power to the equipment if a safety hazard is detected.

  • Solid State Timer Relays

    Seven- and nine-pin surface-mounted encapsulated timing relays designed to perform multiple functions, including on-delay, interval-on, off-delay and single-shot. Feature a contact ampere rating of 10 A and SPDT contact form

  • Time Delay Relays

    Designed to start or stop current from moving in coils, circuits or armatures. Feature 10 / 15 A contact ampere rating and SPDT / DPDT contact form

  • Voltage Sensor Relays

    Used to protect 120 / 240 VAC equipment against over- or under-voltage conditions using high-performance voltage sensor relays

FusesView all

  • Fuse Covers

    Used for protection of both equipment and operator from circuit overloading. Feature a clip with a threaded hole eliminating the additional requirement of nuts or washers and provide a tightening torque of 8 in-lb

  • Fuse Kits

TimersView all

  • Electronic Timers

    120 VAC timers used for switching lights or starting industrial machines at the preset time slots. Feature DPDT / SPDT contact forms that trigger by the closing and opening of a signal

About Macromatic

The Macromatic catalogue includes percentage timers and relays, such as current sensing, alternating, seal leak, voltage monitor and time delay relays. The brand's CAH Series CAH Series current sensing relays are designed for detecting either an overcurrent or undercurrent faults. These relays are capable of monitoring only single-phase AC supplies and are encapsulated with a dual-screw mounting facility for protection in harsh environments. They are further equipped with 10A SPDT output contacts that can easily handle high currents & voltages. Macromatic time delay relays have a microprocessor-based design for maximum flexibility. They are ideal for industrial applications and offer normally open output for long life & high duty cycle applications. Choose from a wide range of these relays and other brand products, such as water level controls and relay sockets on Raptor Supplies.

Things To Consider

Cross-Reference Alternatives

Macromatic's MPNs cross individual references to the equivalent Dayton, Vulcan Hart & Edwards Signaling model numbers. So, if you are looking for competitor items that are either out of stock or obsolete, chances are Raptor Supplies has the equivalent Macromatic relays & controls available.

Shipping

Macromatic relays & timers are available in SPDT and DPDT contact forms that activate by the opening & closing of the signal. These relays, timers, water level controls and accessories are small in size & therefore require careful packaging as some products might get damaged while shipping. Hence, they are delivered by courier shipment and not air freight for minimum downtime.

Major Trade Names

PMP-X Series Three-Phase Monitor Relays

These relays constantly monitor motors & equipment in the events of phase reversal, loss, undervoltage, unbalance and overvoltage. The second contact on these models control secondary loads, besides s...Read More 

TC Series Combination Over-Temperature and Seal Leakage Relays

These combination relays monitor & protect motors or pumps from both shaft seal leakage and over-temperature. They are available in plug-in and flange mount enclosures with a low-profile adjustment kn...Read More 

TE-6 Series Single-Function Time Delay Relays

They are employed in situations where the timing function is constant. They simplify troubleshooting & set-up. These units come in a compact 17.5 mm enclosure to easily mount on a 35 mm DIN rail and h...Read More 

Frequently Asked Questions

What is the difference between memory and non-memory reset timers?

The RT Series reset timers are available in memory and non-memory variants. The standard RT Series keeps its timing cycle state when power is lost for applications that need memory. When the power comes back, the timer keeps running without changing the timing cycle. The units without memory reset the timing cycle to zero when power is turned off and later start when power turns on again.

What terminals can work with Micromatic sockets?

The sockets from Micromatic can accept ferrules, stripped wire, fork and ring terminals.

Can I set the 'on-time' and 'off-time' separately on a cycle timer?

Choose a device with either the 'Repeat Cycle ON' or 'Repeat Cycle OFF' capability if you need to individually set the ON and OFF time on a cycle timer.

What is the minimum duration of a trigger pulse to a time delay relay?

All Macromatic time delay relays are required to apply triggers for a minimum of 50 ms according to their product requirements.

How does a thermal time delay relay work?

  • When the input voltage is applied, the time delay relay is prepared to receive a trigger.
  • The time delay begins when the trigger is applied.
  • The output is turned on at the end of the time delay.
  • The output connections are kept electrified for the time delay after the trigger is withdrawn.

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