The 645T series of solid state relays uses triacs for on/off control of three phase loads. Operation is three pole normally open. Inputs can be AC or DC operated. Load currents can range from 10 to 50 amps and up to a nominal voltage of 480VAC. Both random turn on or zero cross is available.
Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
Input Characteristics
Input Voltage |
N/A 3-32 VDC |
Input Characteristics |
N/A DC |
Must Release Voltage |
N/A 1VDC |
Maximum Input Current |
N/A 80 mA |
Reverse Polarity Protection |
N/A Yes |
Output Characteristics
Output Characteristics |
N/A 40 A |
Min. Load current to maintain on |
N/A 250 mA |
Non-Repetitive Surge Current (1 cycle) |
N/A 300 A |
Maximum I2T for Fusing (Asquared sec) |
N/A 450A2 S |
Suggested Heatsink |
N/A 0.14 ºC/W+FAN |
Load Voltage Range |
N/A 50 to 480VAC |
Frequency Range |
N/A 47 to 63 Hz |
Peak Blocking Voltage |
N/A 800 to 1200 |
Maximum Rate of Rise Off State Voltage (dv/dt) |
N/A 250 V/uS |
Max. Off state leakage current (rms) |
N/A 10 mA |
Max. On State Voltage Drop |
N/A 1.6 VAC |
Maximum Turn-On Time at 60 Hz |
N/A 8.3 ms |
Maximum Turn-Off Time at 60 Hz |
N/A 8.3 ms |
