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QO21251021
Designed by Schneider Electric, the QO21251021 is a compact mini circuit breaker that provides essential protection in electrical systems. With a robust current rating of 125 A and a voltage capacity of 120/240 V AC, this unit effectively serves a wide range of applications.
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Technical specifications for QO21251021
| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Mini circuit breaker |
| Product Line | Square D |
| Part Number | QO21251021 |
| UPC | 785901088189 |
| Weight | 1.00 lbs (0.45 kg) |
| Size (HxWxD) | 3.5" x 2.2" x 2.9" |
| Torque | 5.6 N·m (49.6 lbf·in) |
| Current Rating | 125 A |
| Voltage | 120/240 V AC |
| Poles | 2 poles |
| Mounting | Plug-in |
| Interrupt Capacity | 10 kA at 120/240 V AC |
| Trip Mechanism | Standard |
| Connections | Box lug terminals |
| Optional Shunt Trip | For 120/208/240 V AC |
| Wire Range | AWG 4 to 2/0 copper/aluminum |
| Panel Space | Uses 3 slots |
| Max Ambient Temperature | 40°C (104°F) |
The Schneider Electric QO21251021 mini circuit breaker is engineered for reliable circuit protection. It is compact, measuring 3.5 inches high, 2.2 inches wide, and 2.9 inches deep, and weighing 0.45 kg (1 lb). This device is designed to handle a significant current rating of 125 A, making it suitable for heavy-duty applications.
Operating at a voltage range of 120/240 V AC, the unit utilizes a 2-pole configuration, which is standard for many installations. The device can interrupt currents up to 10 kA, ensuring safety and reliability in the event of a fault.
This breaker features a standard trip mechanism and is mounted via a plug-in system for easy installation. It is equipped with box lug terminals that accommodate a wire range from AWG 4 to 2/0 for both copper and aluminum, allowing for flexible connection options.
Additionally, the QO21251021 supports an optional shunt trip for 120/208/240 V AC applications, thereby enhancing its functionality. It occupies three panel slots and is rated for a maximum ambient temperature of 40°C (104°F), making it appropriate for various environments.
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