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THERMAL DERATE INFORMATION

MOTOR OVERLOAD PROTECTION CURVES

• For installations according to Canadian National Standard C22.2 No. 14-13 (cUL Mark only) and supply voltages above 400V:

• For 415 V max. supply voltage, transient surge suppression devices shall be installed on the line side of this equipment and shall be rated 240

V (phase to ground), 415 V (phase to phase), suitable for overvoltage category III, and shall provide protection for a rated impulse withstand

voltage peak of 4 kV.

• For 480 V max. supply voltage, transient surge suppression devices shall be installed on the line side of this equipment and shall be rated 277

V (phase to ground), 480 V (phase to phase), suitable for overvoltage category III, and shall provide protection for a rated impulse withstand

voltage peak of 4 kV.