Schneider Electric - Square D 15/20 amps Tandem Single Pole Circuit Breaker

These space saver duplex breakers combine two independent 1/2 inch breaker poles in a common unit. This unit plugs into one load center stab and requires one panel space. HACR rated.

Siemens plug in circuit breakers are intended for use in Siemens EQ, Siemens Ultimate, ITE, and Gould load centers or meter combinations. The double pole Siemens breakers may be used in 1 or 3-phase load centers and are 240V rated. To ensure the warranty on a Siemens panel is not voided, the use of Siemens breakers is required. Siemens strongly recommends against the use of "used" breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so.From the ManufacturerSiemens plug in circuit breakers are intended for use in Siemens EQ, Siemens Ultimate, ITE, and Gould load centers or meter combinations. The double pole Siemens breakers may be used in 1 or 3-phase load centers and are 240V rated. To ensure the warranty on a Siemens panel is not voided, the use of Siemens breakers is required.

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.