Square D QO 50A 3-Pole Mini Circuit Breaker, 120/240VAC, 22kA, Bolt-On, AC Shunt Trip, QOB350VH1021
$1,094.32
Square D QOB350VH1021 is a 50A, 3-pole QO mini circuit breaker rated 120/240VAC with a 22kA interrupt rating and bolt-on mounting. Includes an AC shunt trip for remote trip operation. Designed for load center and panelboard applications requiring shunt trip control.
Square D QO 50A 3-Pole Mini Ci...
$1,094.32
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Overview
The Square D QOB350VH1021 is a 3-pole, 50A QO series mini circuit breaker designed for bolt-on installation in Square D load centers and panelboards. Rated at 120/240VAC with a 22kA interrupt rating, it provides robust overcurrent protection for 3-phase branch circuits. The integrated AC shunt trip accessory enables remote or automated circuit interruption, making it suitable for fire alarm panel tie-ins, emergency disconnects, and automated control systems.
Features
- 50A rated current for 3-pole branch circuit protection
- 3-pole configuration for 3-phase and multi-wire branch circuits
- Rated voltage: 120/240VAC
- 22kA interrupt rating for high fault current environments
- Bolt-on mount for secure panelboard installation
- AC shunt trip for remote or automated circuit interruption
Specifications
| Attribute | Value |
|---|---|
| Model | QOB350VH1021 |
| Series | QO |
| Amperage | 50A |
| Poles | 3 |
| Rated Voltage | 120/240VAC |
| Interrupt Rating | 22kA |
| Mounting | Bolt-On |
| Accessory | AC Shunt Trip |
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