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QO3901021
The Schneider Electric QO3901021 is a miniature circuit-breaker classified under the Square D series. It supports a current rating of 90 A and operates efficiently within a voltage range of 120/240 VAC.
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Technical specifications for QO3901021
| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Miniature circuit-breaker |
| Product Line | Square D |
| Part Number | QO3901021 |
| UPC | 785901030591 |
| Weight | 1.00 lbs (0.45 kg) |
| Current Rating | 90 A |
| Voltage Rating | 120/240 VAC |
| Mounting Type | Plug-in |
| Number of Poles | 3P |
| Electrical Connection | Box lugs |
| Interrupt Rating | 10 kA |
| Tightening Torque | 5.6 N.m |
| Ambient Air Temperature for Operation | -5 °C to 40 °C |
| Wire Size | AWG 4 |
| Number of Panel Spaces | 4 |
| Ratings | HACR rated |
| Certifications | UL Listed, CSA |
The QO3901021 circuit breaker from Schneider Electric is specifically designed as a miniature circuit breaker. It operates with a current capacity of 90 A and accommodates voltage levels of 120/240 VAC. In terms of installation, this breaker has a plug-in mounting type, simplifying the setup process for users.
This unit features three poles and utilizes box lugs for secure and reliable electrical connections. The interrupt rating is significant, measuring at 10 kA, which provides a dependable safety margin against electrical faults. Operating this circuit breaker is feasible in a temperature range of -5 °C to 40 °C, making it versatile for various environments.
The net weight of the QO3901021 is recorded at 0.621 kg, contributing to its compact form factor. It requires AWG 4 wire size for optimal performance, making it suitable for various installations. Designed to occupy four panel spaces, it is rated in accordance with HACR specifications and holds certifications from UL and CSA for safety and compliance. The dimensions of this miniature circuit-breaker (height x width x depth) are 89 mm x 76 mm x 74 mm, allowing it to fit within standard enclosures.
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