QBA221504 | Square D 150A 2-Pole 240V I-Line Molded Case Circuit Breaker

Schneider Electric · Circuit Breakers & Protection

Description  The Square D QBA221504 is a molded case circuit breaker designed for 150 A, 240 VAC applications in single-phase electrical systems. This breaker uses an I-Line plug-in connection to provide secure, quick installation in compatible distribution equipment. Its thermal magnetic trip unit ensures consistent protection against overloads and short-circuit events.     Technical Specifications  Condition New/Never Used Surplus Brand Square D Category Circuit Breakers Part Number QBA221504 Subcategory Molded Case Circuit Breakers Series / Frame QBA / Q Frame Amperage 150 A Voltage Rating 240 VAC Phase 1 Poles 2 Interrupt Rating 10 kA @ 240 VAC Trip Unit Thermal Magnetic (Long-Time, Instantaneous) Connection Type I-Line Style Plug-In Terminal Connection Load Side Lug Actuator Type Control Lever Mounting Type I-Line Plug-In Temperature Rating –25°C to 70°C Certifications UL Listed, CSA, NEMA, NOM, HACR Country of Origin United States Dimensions (H × W × D) 6.47 × 4.44 × 3.09 in Protection Type Overload and Short-Circuit Weight 2.14 lbs     Information About QBA221504 The QBA221504 is part of the Square D QBA series, built for use in I-Line power distribution systems requiring reliable, high-capacity circuit protection. It incorporates a Q frame design, offering a compact footprint while supporting demanding residential, commercial, and light industrial applications. The breaker is compatible with single-phase systems and includes load-side lug terminals for straightforward wiring. Its LI (long-time and instantaneous) trip functions enable stable operation under varying electrical conditions. Key Features: 150A Current Capacity: Supports high-demand branch and feeder circuits in commercial and industrial applications. 240 VAC Single-Phase Operation: Designed for standard low-voltage distribution systems. Thermal Magnetic Trip Unit: Provides overload and short-circuit protection through long-time and instantaneous trip functions. I-Line Plug-In Mounting: Enables fast, secure installation with Square D I-Line panelboards. 10 kA Interrupt Rating: Safely interrupts fault currents up to 10kA at 240 VAC. Q Frame Construction: Compact design suitable for tight equipment spacing and high-density installations. UL Listed Compliance: Meets recognized safety and performance standards for dependable field use. Wide Temperature Tolerance: Rated for operation between –25°C and 70°C for flexibility in varying environments. The QBA221504 delivers the reliability and precision required for critical overcurrent protection in modern electrical distribution systems.

Brand: Schneider Electric · Category: Circuit Breakers & Protection

Key features

• 150A Current Capacity: Supports high-demand branch and feeder circuits in commercial and industrial applications.
• 240 VAC Single-Phase Operation: Designed for standard low-voltage distribution systems.
• Thermal Magnetic Trip Unit: Provides overload and short-circuit protection through long-time and instantaneous trip functions.
• I-Line Plug-In Mounting: Enables fast, secure installation with Square D I-Line panelboards.
• 10 kA Interrupt Rating: Safely interrupts fault currents up to 10kA at 240 VAC.
• Q Frame Construction: Compact design suitable for tight equipment spacing and high-density installations.
• UL Listed Compliance: Meets recognized safety and performance standards for dependable field use.
• Wide Temperature Tolerance: Rated for operation between –25°C and 70°C for flexibility in varying environments.

Specifications

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