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 3 pole QO standard plug on circuit breaker with common trip is rated 40 A at 240 VAC. This unit provides 10 kA breaking capacity. A full line of factory installed accessories is also available such as shunt trips, auxiliary switches and alarm switches. 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
Brand: Square D
Add to Quote CataloguePart Number | QO340 |
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Country of Origin | MX |
UPC | 785901400769 |
UPC11 | 78590140076 |
Availability | S |
Lead Time | 4 |
Retail Flag | true |
UNSPSC | 39121603 |
ECCN | EAR99 |
HTs Code | 8536200020 |
RoHS Compliant | Yes |
Discount Schedule | DE2A |
Return Indicator | Yes |
Depth | 2.91 inch |
Height | 3 inch |
Width | 2.25 inch |
Product | Miniature circuit-breaker |
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Range | QO |
Current Rating | 40 A |
Voltage Rating | 120/240 V AC 240 V AC 120 V AC 48 V DC |
Mounting Type | Plug-in |
Number Of Poles | 3P |
Circuit Breaker Type | Standard |
Ratings | HACR rated |
Electrical Connection | Box lugs |
Interrupt Rating | 10 kA 120/240 V AC 50/60 Hz 10 kA 240 V AC 50/60 Hz 10 kA 120 V AC 50/60 Hz 5 kA 48 V DC |
Number Of Panel Spaces | 3 |
Wire Size | AWG 8...AWG 2 copper or aluminium |
Tightening Torque | 40.71 lbf.in (4.6 N.m) |
Height | 3 in (76.20 mm) |
Depth | 2.91 in (73.91 mm) |
Width | 2.25 in (57.15 mm) |
Certifications | UL Listed CSA |
Ambient Rating | 104 °F (40 °C) |
Category | 00012 - QO 3 POLE CIRCUIT BREAKER |
Discount Schedule | DE2A |
GTIN | 00785901400769 |
Nbr. Of Units In Pkg. | 3 |
Country Of Origin | MX |
Green Premium Status | Green Premium product |
REACh Free Of SVHC | Yes |
EU RoHs Directive | Compliant |
Toxic Heavy Metal Free | Yes |
Mercury Free | Yes |
Halogen Content Performance | Halogen free product |
Warranty | 18 months |
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