Siemens 40 amps 2-Pole Circuit Breaker

Siemens Type QD circuit breakers are UL classified for use in specific Square D load centers in place of Square D QO circuit breakers (see listing on back). For easy reference, a panelboard compatibility list is provided with each circuit breaker. All QD breakers are supplied with load side connectors suitable for 60/75C wire and are calibrated for 40C maximum ambient applications.