Q221150AC | Square D Q2 Series 150A 2-Pole 240V Molded Case Circuit Breaker
Square D · Circuit Breakers & Protection
Description The Square D Q221150AC is a two-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection in low-voltage power distribution systems. Rated at 150 amps and 240 volts AC, this breaker uses thermal-magnetic trip technology to deliver long-time and instantaneous protection. It is engineered for single-phase applications requiring reliable circuit interruption. Technical Specifications Condition New/Never Used Surplus Brand Square D Category Circuit Protection Part Number Q221150AC Subcategory Circuit Breakers Series Q2 Product Type Molded Case Circuit Breaker Frame Type Q221 Rated Current 150 A Number of Poles 2 Phase Single Phase Voltage Rating 240 VAC Protection Type Thermal-Magnetic Interrupting Rating 10 kAIC @ 240 V Functions Long-Time and Instantaneous (LI) Approval UL Listed Frequency 50/60 Hz Application Power Distribution Weight 4.29 lb Information About Q221150AC The Q221150AC is part of Square D’s Q2 series of molded case circuit breakers, developed for compact and efficient branch and feeder circuit protection. This breaker incorporates a thermal-magnetic trip unit that responds accurately to overload and fault conditions. Its two-pole configuration supports single-phase electrical systems operating at 120/240 VAC. Manufactured to meet UL standards, the breaker is intended for dependable performance in commercial and light industrial electrical installations. Key Features: 150 Amp Current Rating: Designed to protect higher-capacity branch and feeder circuits. Two-Pole Configuration: Supports single-phase 120/240 VAC electrical systems. Thermal-Magnetic Protection: Combines long-time overload and instantaneous short-circuit response. 240V Voltage Rating: Suitable for low-voltage power distribution applications. 10 kA Interrupting Rating: Rated for fault protection at 240 VAC. UL Listed: Manufactured to recognized electrical safety standards. The Q221150AC delivers the reliability and precision required for single-phase power distribution protection.
Brand: Square D · Category: Circuit Breakers & Protection
Key features
- 150 Amp Current Rating: Designed to protect higher-capacity branch and feeder circuits.
- Two-Pole Configuration: Supports single-phase 120/240 VAC electrical systems.
- Thermal-Magnetic Protection: Combines long-time overload and instantaneous short-circuit response.
- 240V Voltage Rating: Suitable for low-voltage power distribution applications.
- 10 kA Interrupting Rating: Rated for fault protection at 240 VAC.
- UL Listed: Manufactured to recognized electrical safety standards.
Specifications
| Manufacturer part number | Q221150AC |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Circuit Protection |
| Part Number | Q221150AC |
| Subcategory | Circuit Breakers |
| Series | Q2 |
| Product Type | Molded Case Circuit Breaker |
| Frame Type | Q221 |
| Rated Current | 150 A |
| Number of Poles | 2 |
| Phase | Single Phase |
| Voltage Rating | 240 VAC |
| Protection Type | Thermal-Magnetic |
| Interrupting Rating | 10 kAIC @ 240 V |
| Functions | Long-Time and Instantaneous (LI) |
| Approval | UL Listed |
| Frequency | 50/60 Hz |
| Application | Power Distribution |
| Weight | 4.29 lb |
| Product type | Circuit Breakers |
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