Siemens replacement QO breakers are UL listed for use in Square D QO brand load centers and are ideal for replacement of existing breakers or if expansion circuits are required. These 3/4 in. breakers snap on to the QO type bussing. All QD breakers are supplied with load side connectors suitable for 60/75C wire and are calibrated for 40C maximum ambient applications. Siemens QD circuit breakers are available in 15 to 60 Amp, single and double pole configurations and are rated at 120/240-Volt AC.
- Square D QO compatible - 3/4 in. plug-in format
- UL classified for use in place of Square D type QO circuit breakers in Square D load centers
- Economical alternative for replacement or in new construction
- HACR and SWD rated
- Developed and tested to UL 489; assuring performance equal to or exceeding UL requirements
- Designed for residential/commercial applications