Mini circuit breaker, QO, 100A, 2 pole, 120/240 VAC, 42 kA, plug in mount, AC shunt trip
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. This QO miniature breaker is rated as 100 A, 120/240 V, and 2 pole. This unit provides 42 kA breaking capacity and plug in mounting. A full line of factory installed accessories is also available such auxiliary switches, alarm switches, and shunt trips. This unit has a factory installed shunt trip. 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 CatalogueSpecifications
| Part Number | QOH21001021 |
|---|---|
| Country of Origin | MX |
| Availability | N |
| Lead Time | 4 |
| UNSPSC | 39121101 |
| ECCN | EAR99 |
| HTs Code | 8536200020 |
| RoHS Compliant | Yes |
| Discount Schedule | DE2A |
| Return Indicator | No |
| Depth | 2.91 inch |
| Height | 3.5 inch |
| Width | 3 inch |
Characteristics
| Product | Miniature circuit-breaker |
|---|---|
| Range | QO |
| Current Rating | 100 A |
| Voltage Rating | 120/240 V AC |
| Mounting Type | Plug-in |
| Number Of Poles | 2P |
| Circuit Breaker Type | Standard |
| Ratings | HACR rated |
| Electrical Connection | Box lugs |
| Options | Shunt trip 120/208/240 V AC |
| Interrupt Rating | 42 kA 120/240 V AC 50/60 Hz |
| Number Of Panel Spaces | 3 |
| Wire Size | AWG 4...AWG 2/0 copper or aluminium |
| Tightening Torque | 44.25 lbf.in (5 N.m) 0.02…0.04 in² (10…25 mm²) AWG 8...AWG 2) |
| Height | 3.5 in (88.90 mm) |
| Depth | 2.91 in (73.91 mm) |
| Width | 3 in (76.20 mm) |
| Certifications | UL Listed CSA |
| Ambient Rating | 104 °F (40 °C) |
| Category | 00926-QO IND SPECIALTY CB |
| Discount Schedule | DE2A |
| Country Of Origin | MX |
| REACh Free Of SVHC | Yes |
| EU RoHs Directive | Compliant |
| Toxic Heavy Metal Free | Yes |
| Mercury Free | Yes |
| Warranty | 18 months |
