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QPAC

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MODULAR SCR POWER CONTROLLER FOR CUSTOM TAILORING TO THE APPLICATION

The QPAC modular controller from Watlow is a modular silicon controlled rectifier (SCR) power controller with plug-in features for flexibility. Bases are rated from 150 to 1000 amperes in one-phase, three-phase, two leg and three-phase, three leg configurations.

A variety of transformers from 120 to 575VAC, along with 50/60Hz operation, enable the QPAC modular controller to operate in applications anywhere. Plug-in control cards set the QPAC’s SCR firing modes: solid state contactor, burst firing (zero cross) or phase-angle models and are available with a wide variety of options. High speed fuses are included to protect the SCR modular controller from short circuit currents. 200KA short circuit current rating (SCCR) prevents arc flash.

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Description Information
Mounting Back panel
Profiling No
Max Output 1000A
Output Firing Zero Cross, Phase Angle
Phase Configurations 1 or 3
Ambient Operating Range 0 to 50°C (32 to 122°F)
Agency Approvals UL®, C-UL®, SCCR
TRU-TUNE®+ Adaptive Control No
Remote Limit Reset No
Warranty (Years) 3

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