The A2N 250 TMF 175-1750 3P F F moulded case circuit breaker delivers high-capacity overload and short-circuit protection for demanding distribution schemes, pairing a 630 A service rating with a 36 kA Icu. Its calibrated TMF curve supports selective coordination and clean cable routing in dense panels. For resilient architectures where uptime is critical, align protection with our advanced electrical backup and power conditioning solutions to safeguard sensitive loads and maintain continuity.

Key Specifications – Moulded Case Circuit Breakers

• Rated Current (In): 630 A

• Rated Ultimate Short-Circuit Breaking Capacity (Icu): 36 kA @ 240 V AC / 380 V AC

• Poles: 3P

• Trip Unit: Thermal-Magnetic Fixed (TMF)

• TMF Adjustment Range: 175–1750

• Mounting: Fixed

• Frequency: 50/60 Hz

• Standard: IEC/EN 60947-2

Highlights

• High interrupting performance for heavy-duty feeders

• Stable, repeatable TMF tripping under variable load profiles

• Compact footprint to optimize enclosure space

• Front-access terminals for streamlined wiring and service

• Durable mechanism for long electrical and mechanical life

Typical Uses

• Main and sub-distribution feeders at high current

• Process lines, machinery power centers, and motor feeders

• Commercial and infrastructure switchboards

• Coordinated LV protection in control cabinets

Installation & Support

Delivered factory-tested to shorten commissioning time.

• Clear markings and straightforward mounting steps

• Technical documentation and post-installation assistance available on request