400A Moulded Case Circuit Breaker
  • 400A Moulded Case Circuit Breaker400A Moulded Case Circuit Breaker
  • 400A Moulded Case Circuit Breaker400A Moulded Case Circuit Breaker
  • 400A Moulded Case Circuit Breaker400A Moulded Case Circuit Breaker
  • 400A Moulded Case Circuit Breaker400A Moulded Case Circuit Breaker
  • 400A Moulded Case Circuit Breaker400A Moulded Case Circuit Breaker

400A Moulded Case Circuit Breaker

Saide®'s 400A moulded case circuit breakers are sturdy and dependable electrical protection units engineered to manage substantial current loads of up to 630 amperes. These circuit breakers serve as a vital safeguard against overloads and short circuits within electrical systems.

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Product Description

400A moulded case circuit breaker

Saide®'s 400A molded case circuit breaker is an efficient and reliable electrical protection device designed to handle current loads up to 400 amps. This circuit breaker adopts advanced thermal magnetic tripping technology, which can respond quickly and cut off the circuit, effectively protecting equipment from overload and short circuit.


400A molded case circuit breaker features:

High rated current capacity: The rated current capacity of 400A makes it suitable for various large mechanical equipment and high-power electrical equipment, providing them with reliable electrical protection.

Reliable protection performance: Using thermal magnetic tripping technology, it can quickly cut off the current under abnormal conditions to ensure the safe operation of equipment and circuits.

Wide applicability: Saide®'s 400A molded case circuit breaker can be used in various occasions such as industrial production lines and commercial buildings to protect equipment from current overloads and short circuits.

Reliability and Stability: As a trusted manufacturer, Saide® ensures that its products meet strict industry standards, providing customers with reliability and peace of mind.


Applicable scene:

Industrial production line protection: Suitable for protecting various mechanical equipment, automation systems and high-power electrical equipment from overload and short circuit damage.

Commercial Building Power Distribution: In commercial buildings, it can be used in power distribution systems to protect circuits and equipment throughout the building.

Protection of large mechanical equipment: Suitable for large mechanical equipment requiring high rated current protection.

Power distribution device: Widely used in power distribution systems to protect equipment such as generators, transformers and switchboards.

Overall, Saide®'s 400A molded case circuit breaker is a high-performance, reliable electrical protection device that is suitable for a variety of occasions and provides reliable protection for equipment and circuits. Choose Saide®, choose a reliable electrical protection solution.


Shape and installation dimensions



Selection of EL6 modules

Model Polar Number Sensitivity (lAn) Delay Adjustable Delay Settings Maximum Break Time (ms) Rated Voltage
EL6-ME 3, 4 Fixed: 0.3 N/A N/A <40 AC50V/60Hz
EL6-MH 3, 4 Fixed: 0.3 Adjustable: 0.03-0.3-1-3-10 Adjustable: 0-60°-150°-310° <40, <140, <300, <800 AC200-440
SDM6-100 3, 4 Fixed: 0.3 N/A N/A <40 AC200-440
SDM6-160 3, 4 Fixed: 0.3 N/A N/A <40 AC200-440
SDM6-250 3, 4 Fixed: 0.3 N/A N/A <40 AC440-500
SDM6-400 3, 4 N/A N/A N/A N/A AC440-500
SDM6-630 3, 4 N/A N/A N/A N/A AC440-500
EL6-MB 3, 4 Adjustable: 0.3-1-3-10-30 Adjustable: 0-60-150-310 <40, <140, <300, <800 AC200-440


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