QHB1201021 | Square D 20A 1-Pole 65kA Bolt-On Circuit Breaker with Shunt Trip
Schneider Electric · Circuit Breakers & Protection
Description The Square D QHB1201021 by Schneider Electric is a 1-pole, 20-amp thermal magnetic circuit breaker equipped with a factory-installed shunt trip for remote tripping applications. Designed for use in NQ Series panelboards, it provides reliable branch circuit protection in both residential and commercial electrical systems. The breaker supports 120/240 VAC and features a 65 kA interrupting capacity, ensuring dependable overcurrent protection and safe circuit isolation. Technical Specifications Condition New/Never Used Surplus Brand Square D / Schneider Electric Category Circuit Breaker Part Number QHB1201021 Subcategory Miniature Circuit Breaker Series QO / QOB Frame Type Q Amperage Rating 20 A Number of Poles 1 Voltage Rating 120/240 VAC, 48 VDC Interrupting Rating 65 kA @ 120/240 VAC Trip Type Thermal Magnetic Mounting Type Bolt-On Shunt Trip Voltage 120/208/240 VAC Connection Type Pressure Plate Wire Size AWG 14–8 (Al/Cu) Tightening Torque 40.7 lbf·in (4.6 N·m) Certifications UL Listed, CSA Certified Applications Lighting and Appliance Branch Circuits Ambient Temperature Rating 104°F (40°C) Standards Compliance UL 489, CSA C22.2 No. 5 Dimensions (H x W x D) 3 in x 1.5 in x 2.9 in Country of Origin Mexico Weight 0.71 lb (0.32 kg) Information About QHB1201021 The QHB1201021 is part of the QO/QOB series of miniature circuit breakers by Schneider Electric, engineered for high-performance overcurrent protection and versatile panelboard compatibility. Its bolt-on mounting design ensures secure installation within NQ Series distribution systems, while the Visi-Trip® indicator provides a clear visual signal when a trip occurs. The integrated 120/208/240 VAC shunt trip enables remote disconnection of circuits for added safety and control. Built for industrial-grade reliability, this breaker meets UL and CSA certification standards and operates with a thermal magnetic trip mechanism for consistent protection. Key Features: Thermal Magnetic Trip Unit: Provides dependable overload and short-circuit protection using dual sensing elements. Shunt Trip Function: Allows remote tripping of the breaker for enhanced system control and safety. High Interrupting Rating: Rated at 65 kA @ 120/240 VAC, ensuring secure fault interruption in demanding applications. Visi-Trip® Indicator: Offers an immediate visual cue when the breaker has tripped, aiding in quick diagnostics. Bolt-On Mounting: Designed for easy and stable installation in NQ Series panelboards. Wide Wire Range: Accepts AWG 14 to AWG 8 copper or aluminum conductors for versatile wiring options. Compact and Durable Build: Features a robust Q-frame construction suitable for harsh electrical environments. UL and CSA Certified: Complies with major safety and performance standards for global acceptance. The QHB1201021 delivers the reliability and precision required for professional electrical distribution and control systems.
Brand: Schneider Electric · Category: Circuit Breakers & Protection
Key features
- Thermal Magnetic Trip Unit: Provides dependable overload and short-circuit protection using dual sensing elements.
- Shunt Trip Function: Allows remote tripping of the breaker for enhanced system control and safety.
- High Interrupting Rating: Rated at 65 kA @ 120/240 VAC, ensuring secure fault interruption in demanding applications.
- Visi-Trip® Indicator: Offers an immediate visual cue when the breaker has tripped, aiding in quick diagnostics.
- Bolt-On Mounting: Designed for easy and stable installation in NQ Series panelboards.
- Wide Wire Range: Accepts AWG 14 to AWG 8 copper or aluminum conductors for versatile wiring options.
- Compact and Durable Build: Features a robust Q-frame construction suitable for harsh electrical environments.
- UL and CSA Certified: Complies with major safety and performance standards for global acceptance.
Specifications
| Manufacturer part number | QHB1201021 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Square D / Schneider Electric |
| Category | Circuit Breaker |
| Part Number | QHB1201021 |
| Subcategory | Miniature Circuit Breaker |
| Series | QO / QOB |
| Frame Type | Q |
| Amperage Rating | 20 A |
| Number of Poles | 1 |
| Voltage Rating | 120/240 VAC, 48 VDC |
| Interrupting Rating | 65 kA @ 120/240 VAC |
| Trip Type | Thermal Magnetic |
| Mounting Type | Bolt-On |
| Shunt Trip Voltage | 120/208/240 VAC |
| Connection Type | Pressure Plate |
| Wire Size | AWG 14–8 (Al/Cu) |
| Tightening Torque | 40.7 lbf·in (4.6 N·m) |
| Certifications | UL Listed, CSA Certified |
| Applications | Lighting and Appliance Branch Circuits |
| Ambient Temperature Rating | 104°F (40°C) |
| Standards Compliance | UL 489, CSA C22.2 No. 5 |
| Dimensions (H x W x D) | 3 in x 1.5 in x 2.9 in |
| Country of Origin | Mexico |
| Weight | 0.71 lb (0.32 kg) |
| Product type | Miniature Circuit Breaker |
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