Description

The ABB T7S 1000 MCCB (1SDA062746R1) is a high-performance, fixed, 4-pole moulded-case circuit breaker designed for heavy-duty protection of industrial installations, transformer feeds, and power distribution panels. It features a PR231/P LS/I electronic trip unit, capable of precise overload and short-circuit protection, and is rated for 1000 A continuous current, with a breaking capacity of up to 50 kA at 400 V. With a front-terminal, bolt-connection design, and a robust lever-operating mechanism, this breaker ensures reliable operation and easy integration into panel systems.

Key specifications:

• Rated Current (In): 1000 A

• Poles: 4P 

• Rated Operational Voltage: 690 V AC 

• Rated Short-Circuit Breaking Capacity (Icu): up to 50 kA (at some voltages) 

• Trip Release: PR231/P LS/I (solid-state electronic) 

• Mechanical Durability: ~10,000 cycles 

• Electrical Durability: ~2,000 cycles 

• Dimensions: ~280 mm (W) × 268 mm (H) × 154 mm (D) 

• Weight: ~17.64 kg 

• Connection Type: Front-side bolt terminals 

• Protection Type / Use Case: Ideal for power distribution, transformer protection, and industrial panels