QDA221254 | Square D 125A 2-Pole PowerPact Q I-Line Molded Case Circuit Breaker 240VAC

Schneider Electric · Circuit Breakers & Protection

Description  The Square D QDA221254 is a 125A, 2-pole molded case circuit breaker engineered to protect 240VAC distribution systems from overload and short-circuit conditions. Its thermal-magnetic trip mechanism delivers stable performance in commercial and industrial electrical panels. Designed for I-Line plug-in mounting, this breaker supports dependable operation in high-demand distribution equipment.     Technical Specifications  Condition New/Never Used Surplus Brand Square D Category Circuit Breaker Part Number QDA221254 Subcategory Molded Case Series/Frame PowerPact Q / QDA Frame Amperage Rating 125A Voltage Rating 240VAC Poles 2 Phase 1 Interrupting Rating 25 kAIC @ 240VAC Mounting Type I-Line Plug-In Protection Type Thermal Magnetic Trip Functions Long-Time, Instantaneous Terminal Connection Load Side Lug (4 AWG to 300 MCM) Actuator Type Operating Handle Frame Size 250A / QD Temperature Rating -25°C to 70°C (-13°F to 158°F) Panel Compatibility I-Line Panelboards Certifications UL, CSA, NEMA, NOM, IEC Dimensions 6.47 in H × 3.09 in D × 4.44 in W Country of Origin Mexico Weight 2.11 lb     Information About QDA221254 The QDA221254 is part of the PowerPact Q Series and uses a QDA-frame molded case structure designed for I-Line panelboard and switchboard installations. It incorporates an I-Line plug-in connection, enabling fast installation and secure mechanical engagement in compatible bus systems. The breaker features a thermal-magnetic trip unit with long-time and instantaneous functions to ensure reliable protection for a wide range of load conditions. Certified to UL, CSA, IEC, and NEMA standards, it is well suited for commercial power distribution where consistent interruption capability is required. Key Features: 125A Current Rating: Supports medium-capacity loads within 240VAC distribution networks. Two-Pole Construction: Provides simultaneous protection of both conductors in single-phase systems. Thermal-Magnetic Trip Unit: Offers long-time overload response and instantaneous short-circuit protection. 25 kAIC Interrupting Rating: Handles high fault currents at 240VAC for robust system safety. I-Line Plug-In Mounting: Ensures quick installation and firm bus engagement in I-Line style panelboards. Load-Side Lug Termination: Accepts 4 AWG to 300 MCM conductors for versatile wiring compatibility. Wide Operating Temperature Range: Rated for performance from -25°C to 70°C to meet varied environmental demands. Global Certifications: Complies with UL, CSA, NEMA, NOM, and IEC standards for broad application approval. The QDA221254 delivers the reliability and precision required for stable molded case circuit protection in commercial and industrial power distribution systems.

Brand: Schneider Electric · Category: Circuit Breakers & Protection

Key features

• 125A Current Rating: Supports medium-capacity loads within 240VAC distribution networks.
• Two-Pole Construction: Provides simultaneous protection of both conductors in single-phase systems.
• Thermal-Magnetic Trip Unit: Offers long-time overload response and instantaneous short-circuit protection.
• 25 kAIC Interrupting Rating: Handles high fault currents at 240VAC for robust system safety.
• I-Line Plug-In Mounting: Ensures quick installation and firm bus engagement in I-Line style panelboards.
• Load-Side Lug Termination: Accepts 4 AWG to 300 MCM conductors for versatile wiring compatibility.
• Wide Operating Temperature Range: Rated for performance from -25°C to 70°C to meet varied environmental demands.
• Global Certifications: Complies with UL, CSA, NEMA, NOM, and IEC standards for broad application approval.

Specifications

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