DPX3 circuit breaker 250 HP 3P 25 A 100 kA 423152

Three-phase switch – reliable protection for installations

This three-pole DPX3 250 HP switch is a robust solution for protecting electrical circuits. With a rated continuous current of 25A and a high short-circuit breaking capacity of 100kA at 400V, it ensures effective protection against overloads and short circuits. Equipped with two changeover auxiliary contacts, it offers additional integration possibilities with control and signaling systems.

Construction and application

This switch is designed for fixed mounting, ensuring stability and reliable operation. Connection is made via bolted terminals, simplifying and accelerating installation. The wide rated voltage range (230…690V) allows for use in various electrical installations. The IP30 protection rating guards against accidental contact and ensures safety during normal operation.

Key features and benefits

• High short-circuit breaking capacity: 100 kA at 400V – effectively interrupts short-circuit current, minimizing the risk of damage to installations and equipment.
• Adjustable thermal overload current: Setting range 20…25A enables precise matching to load characteristics, preventing unnecessary tripping.
• Two auxiliary contacts: Enable remote monitoring of the switch status and integration with automation systems.
• Trip indicator: Quickly signals when protection has activated, facilitating fault location.
• Wide rated voltage range: Ensures universal application across diverse electrical installations (230…690V).
• Optional motor drive: An optional motor drive allows remote control of the switch, particularly useful in automated systems.
• Adjustable short-circuit trip setting: Range of 0…400A allows customization to the specific requirements of the protected installation.

This switch is a reliable choice for both professional installers and end-users seeking dependable protection for their electrical installations. Its construction and specifications ensure long-term, safe operation.