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Square D QO245 120/240 Volt 45 Amp Plug-On Miniature Circuit Breaker

MFG Part #: QO245
Brand Name: Square D by Schneider Electric
UPC: 78590101284 78590101284
Online Part #: 19717


QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an overcenter, trip-free toggle mechanism with quick-make, quickbreak action and positive handle indication They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. This QO miniature breaker is rated as 45 A, 120/240 V, and 2 pole. This unit provides 10 kA breaking capacity and plug in mounting. A full line of factory installed accessories, such as shunt trips, auxiliary switches and alarm switches, is also available QO breakers use a compact 3/4 inch width design for small system footprint. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555

Detailed Information

Make and Model

Online Part #: 19717
MFG Name: Schneider Electric


Sub Brand: QO
Voltage Rating: 120/240 VAC
Length: 2.91 in
Interrupt Rating: 10KA
Amperage Rating: 45 A
Height: 3.12 in
Connection: BOX LUGS #8 TO #2 AWG(AL/CU)
Operating Temperature: 40 A°C
Application: HACR RATED
Number of Poles: 2 Pole
Prop65_Warning: WARNING: This product can expose you to chemicals including: Diisononyl phthalate (DINP), which is known to the State of California to cause cancer, and Di-isodecyl phthalate (DIDP), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to
Brand Name: Square D by Schneider Electric
Width: 1.5 in

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