645SR475-3-32VDC

STRUTHERS-DUNN 645SR475-3-32VDC SSR, PANEL MOUNT, 480VAC, 32VDC, 75A

The 645S series of solid state relays uses back to back SCRs for control of three phase loads. Switch configuration is 3 pole Normally Open. Inputs can be AC or DC operated. Load currents range from 50 to 75 amps with a voltage rating up to 480 VAC. Both random turn-on or zero cross versions are available.

**Features

* **Motor Control**

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* SCR Controlled**

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* Up to 75 Amp Switching Capability**

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* No Moving Parts**

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* Random Turn-On and Zero Cross Available**

Specifications

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* Rated Load Current RMS: 10 A**

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* Min. Load Current to Maintain On: 100 mA**

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* Load Voltage Range: 50 to 480 VAC**

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* Frequency Range: 47 to 63 Hz**

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* Peak Blocking Voltage: 800 to 1200 V**

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* Max. Off State Leakage Current RMS: 10 mA**

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* Maximum Turn-On Time @ 60 Hz: 8.3 mS**

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* Maximum Turn-Off Time @ 60 Hz: 8.3 mS**

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* Dielectric Strength: 4000 VRMS**

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* Operating Temperature Range: –30 to 80°C**

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