ABB A2N175TW-2 175A 2P Molded Case Circuit Breaker – Thermal Magnetic – 240VAC / 250VDC

The ABB A2N175TW-2 is a molded case circuit breaker from the Formula series, designed for reliable protection in commercial and industrial power distribution systems. Featuring a 2-pole configuration and a 175 Amp rating, it operates at 240VAC and 250VDC. This breaker utilizes a fixed thermal-magnetic trip unit to provide dependable long-time and instantaneous protection. It is compatible with ABB ReliaGear RQ panelboards, Formula panelboards, and DIN rail enclosures, making it suitable for modern installations and legacy breaker replacements.

Voltage and Rating

• Current Rating: 175A
• Voltage Rating: 240VAC / 250VDC
• AIC Rating: 25kA @ 240VAC, 25kA @ 250VDC

Key Specifications

• Device Type: Molded Case Circuit Breaker
• Number of Poles: 2-Pole
• Series: Formula (A2 Frame)
• Phase: 1 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 (sold separately)
• Application: Power Distribution / Industrial Control Systems

Technical Specifications

• Wire Gauge: 1 AWG – 300 kcmil (Cu/Al)
• Temperature Rating: -25°C to 70°C
• Construction Features: HACR Rated, Reverse Feed, RoHS Compliant, 50°C Ambient Calibration
• Accessories Available: Shunt Trip, Undervoltage Release, Auxiliary Switch, Padlock Attachment, Rotary Handle, Lug Kits
• Standards: CSA C22.2 No. 5, IEC 60947-2, UL 489
• Approvals: CSA, IEC, UL

Product Data

• Manufacturer: ABB
• Model Number: A2N175TW-2
• Series: Formula
• Product Type: Molded Case Circuit Breaker
• For Use With: ABB ReliaGear RQ Panelboards, ABB Formula Panelboards, DIN Rail Enclosures