Description
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 40A 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.
Specifications
Main
| Product |
Miniature circuit-breaker |
| Range |
QO |
| Current Rating |
40 A |
| Voltage Rating |
120/240 V AC 120 V AC |
| Mounting Type |
Bolt-on |
| Number of Poles |
2P |
| Circuit Breaker Type |
Standard |
| Ratings |
HACR rated |
| Electrical Connection |
Box lugs |
Complementary
| Interrupt Rating |
10 kA 120/240 V AC 10 kA 120 V AC |
| Number of Panel Spaces |
2 |
| Wire Size |
AWG 8…AWG 2 copper or aluminum |
| Tightening Torque |
44.3 lbf.in (5 N.m) |
| Height |
3.1 in (79 mm) |
| Width |
1.5 in (38 mm) |
| Depth |
2.9 in (74 mm) |
| Net weight |
0.600 lb(US) (0.272 kg) |
Environment
| Certifications |
UL listed CSA |
| Ambient Rating |
104 °F (40 °C) |
Packing Units
| Unit Type of Package 1 |
PCE |
| Number of Units in Package 1 |
1 |
| Package 1 Height |
3.500 in (8.890 cm) |
| Package 1 Width |
1.500 in (3.810 cm) |
| Package 1 Length |
3.300 in (8.382 cm) |
| Package 1 Weight |
9.920 oz (281.227 g) |
| Unit Type of Package 2 |
BB1 |
| Number of Units in Package 2 |
5 |
| Package 2 Height |
3.300 in (8.382 cm) |
| Package 2 Width |
3.600 in (9.144 cm) |
| Package 2 Length |
7.700 in (19.558 cm) |
| Package 2 Weight |
2.970 lb(US) (1.347 kg) |
| Unit Type of Package 3 |
CAR |
| Number of Units in Package 3 |
50 |
| Package 3 Height |
8.300 in (21.082 cm) |
| Package 3 Width |
7.800 in (19.812 cm) |
| Package 3 Length |
17.300 in (43.942 cm) |
| Package 3 Weight |
30.309 lb(US) (13.748 kg) |
Contractual warranty
| Warranty (in months) |
18 |
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