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SQUARE D QOB QOB250 Image 1

SQUARE D QOB250 BOLT-IN 2 POLE 50 AMP BREAKER QOB

MFR Part #: QOB250
SKU #: 0716062
Brand: Square D™
UPC: 785901416982
Square D™ QOB250 Standard Miniature Circuit Breaker, 120/240 VAC, 50 A, 10 kA Interrupt, 2 Poles, Thermal/Magnetic Trip
For providing overload and short circuit protection
RoHS Compliant | UL 489 | CSA C22.2 #5 | HACR Rated | PROP65: 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 www.P65warnings.ca.gov

Square D™, QOB250, Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug Connection, 8 to 2 AWG Wire, Bolt-On Mounting, 104 deg F, 2.91 in L x 1.5 in W x 3 in H Dimensions

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 over center, trip free toggle mechanism with quick make, quick break 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. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 2 pole QO circuit breaker is rated at 50A at 120/240VAC. This unit provides 10kA breaking capacity and bolt on mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.

Product Details

Square D™, QOB250, Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug Connection, 8 to 2 AWG Wire, Bolt-On Mounting, 104 deg F, 2.91 in L x 1.5 in W x 3 in H Dimensions

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 over center, trip free toggle mechanism with quick make, quick break 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. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 2 pole QO circuit breaker is rated at 50A at 120/240VAC. This unit provides 10kA breaking capacity and bolt on mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.

Attributes

Amperage Rating50 A
Country Of OriginUS
Mounting TypeBolt-On
Number of Poles2
Connection TypeBox Lug
Dimensions2.91 in L x 1.5 in W x 3 in H
FrameQOB
Frame TypeQOB
Frequency Rating50/60 Hz
Height2.91 in
Interrupt Rating10 kA
Length3.11 in
Phase1, 1 ph
Temperature Rating40 deg C, 104 deg F
Trip TypeThermal Magnetic, Thermal/Magnetic
TypeStandard
Voltage Rating120/240 VAC
Width1-1/2 in
Wire Size8 to 2 AWG

Features

  • Tripping mechanisms in 2 and 3-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
  • Bolt-on QOB circuit breakers are for use in NQO and NQOD panel boards
  • QO™ and QOB circuit breakers have Visi-Trip® feature, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit
  • Common trip
  • 10 kA at 120/240 VAC, 5 kA at 48 VDC interrupt rating
  • 8 to 2 AWG Al/Cu wire
  • Standard