Square D, QO240, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug Connection, 8 to 2 AWG Wire, Plug-On Mounting, 40 deg C, 3 in H x 1.5 in W x 2.91 in D Dimensions
CSA Certified|HACR Rated|RoHS Compliant|UL Listed
QO and QOB circuit breakers have an overcenter, trip-free toggle mechanism with quick-make, quickbreak action and positive handle indication|The tripping mechanisms in two-and three-pole circuit breakers operate such that an overcurrent on any pole of the circuit breaker will cause all poles of the circuit breaker to open simultaneously|Plug-on QO circuit breakers are for use in QO load centers, NQ and NQOD panelboards, OEM mounting bases, and Speed D switchboard distribution panels|8 - 2 AWG copper/aluminum|Common trip|Standard
Amperage Rating
40
Connection Type
Box Lug
Dimensions
3 in H x 1.5 in W x 2.91 in D
Frame
QO
Frequency Rating
50/60
Interrupt Rating
10
Mounting Type
Plug-On
Number of Poles
2
Phase
1
Temperature Rating
40
Trip Type
Thermal/Magnetic
Type
Standard
Voltage Rating
120/240
Wire Size
8 to 2
Brand
Square D
Manufacturer
Schneider Electric