645RT Series - Solid State Reversing Motor Relays On Struthers-Dunn

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The 645RT series of solid state relays uses triacs for reversing phases on three phase loads. The most typical use is motor reversing. Inputs are DC operated. Load currents can range from 10 to 40 amps and up to a nominal voltage of 480VAC. Both random turn on or zero cross is available.

For Additional Configuration please contact the manufacturer.

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Item #	Input Voltage	Maximum Input Current	Reverse Polarity Protection	Output Characteristics

645RTZ410-4-32VDC	N/A 4-32 VDC	N/A 80 mA	N/A Yes	N/A 10 A
645RTZ440-4-32VDC	N/A 4-32 VDC	N/A 80 mA	N/A Yes	N/A 40 A
645RTR410-4-32VDC	N/A 4-32 VDC	N/A 80 mA	N/A Yes	N/A 10 A
645RTR425-4-32VDC	N/A 4-32 VDC	N/A 80 mA	N/A Yes	N/A 25 A
645RTR440-4-32VDC	N/A 4-32 VDC	N/A 80 mA	N/A Yes	N/A 40 A
645RTZ425-24VAC	N/A 24 VAC	N/A 80 mA	N/A Yes	N/A 25 A
645RTZ440-24VAC	N/A 24 VAC	N/A 80 mA	N/A Yes	N/A 40 A
645RTR410-24VAC	N/A 24 VAC	N/A 80 mA	N/A Yes	N/A 10 A
645RTR425-24VAC	N/A 24 VAC	N/A 80 mA	N/A Yes	N/A 25 A
645RTR440-24VAC	N/A 24 VAC	N/A 80 mA	N/A Yes	N/A 40 A
645RTZ410-90-280VAC	N/A 90-280 VAC	N/A 80 mA	N/A Yes	N/A 10 A
645RTZ425-90-280VAC	N/A 90-280 VAC	N/A 80 mA	N/A Yes	N/A 25 A
645RTZ440-90-280VAC	N/A 90-280 VAC	N/A 80 mA	N/A Yes	N/A 40 A
645RTR410-90-280VAC	N/A 90-280 VAC	N/A 80 mA	N/A Yes	N/A 10 A
645RTR425-90-280VAC	N/A 90-280 VAC	N/A 80 mA	N/A Yes	N/A 25 A

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Item #

Input Voltage

Maximum Input Current

Reverse Polarity Protection

Output Characteristics