ABB A2A150TW 150A 3P Molded Case Circuit Breaker – Thermal Magnetic – 240VAC / 250VDC

The ABB A2A150TW is a molded case circuit breaker from the Formula A2 frame series, designed for reliable protection in commercial and industrial electrical distribution systems. Featuring a 3-pole configuration and a 150 Amp rating, it supports operation at 240VAC and 250VDC. This breaker utilizes a fixed thermal-magnetic trip unit to provide dependable long-time and instantaneous protection against overloads and short circuits. Its unit mount design allows installation in ABB ReliaGear RQ panelboards and makes it a suitable replacement for legacy TQD32150 breakers.

Voltage and Rating

• Current Rating: 150A
• Voltage Rating: 240VAC / 250VDC
• AIC Rating: 10kA @ 240VAC, 10kA @ 250VDC

Key Specifications

• Device Type: Molded Case Circuit Breaker
• Number of Poles: 3-Pole
• Series: Formula (A2 Frame)
• Phase: 3 Phase
• Trip Technology: Thermal Magnetic
• Trip Function Code: LI
• Trip Function: Long-Time, Instantaneous
• Trip Adjustability: Fixed Thermal, Fixed Magnetic
• Mounting Type: Unit Mount
• Terminal Type: Lugs
• Application: Power Distribution / Motor Control Systems

Technical Specifications

• Temperature Rating: -25°C to 70°C
• Construction Features: Reverse Feed, HACR Rated, 50°C Ambient Calibration
• Accessories Included: Front Terminals
• Available Options: Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Rotary Handle, Lug Kits, DIN Rail Adapter
• Standards: CSA C22.2 No. 5, IEC 60947-2, UL 489
• Approvals: CSA, IEC, UL

Product Data

• Manufacturer: ABB
• Model Number: A2A150TW
• Series: Formula
• Product Type: Molded Case Circuit Breaker
• For Use With: ABB ReliaGear RQ Panelboards

Returns are easy

You may return items within 30 days of delivery for a refund.

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