ABB Molded Case Circuit Breaker, 3P, 400A, T5N-400-PR221DS-LS-I

Description for ABB Molded Case Circuit Breaker, 3P, 400A, T5N-400-PR221DS-LS-I

The ABB T5N-400-PR221DS-LS-I Molded Case Circuit Breaker (MCCB) is engineered for high-performance and durability, suitable for industrial and commercial electrical systems. With an electrical durability of 7,000 cycles at 60 cycles per hour and a mechanical durability of 20,000 cycles at 120 cycles per hour, it ensures long-lasting reliability. This 3-pole circuit breaker handles a load current of 400A and supports operational voltages up to 690VAC with an impressive rated insulation voltage of 1000V. Additional features include a rated impulse withstand voltage of 8 kV, a power loss per pole of 16.5W, and short-time withstand current for low voltage of 5 kA over 1 second. The MCCB is designed with front terminals, a width of 140mm, height of 205mm, and depth of 103.5mm. Originating from Germany, this breaker adheres to IEC standards, promising safety and efficiency.

Specifications:

• Electrical Durability: 7000 cycles (60 cycles per hour)
• Mechanical Durability: 20000 cycles (120 cycles per hour)
• Power Loss: 16.5W per pole
• Impulse Withstand Voltage: 8 kV
• Short-time Withstand Current: 5 kA (1 second)
• Operational Voltage: 690VAC
• Insulation Voltage: 1000V
• Dimensions: 140mm (W) x 205mm (H) x 103.5mm (D)
• Brand Origin: Germany
• Standards: IEC

This ABB MCCB ensures reliable circuit protection, making it an ideal choice for diverse applications.