DPX3 125 HP+RCD 4P 125 A 36 kA circuit breaker 423639

Multifunctional Switch with Residual Current Protection – Safety and Convenience in One Device

This four-pole DPX3 125 HP+RCD switch combines overload and short-circuit protection with electric shock prevention. It is a comprehensive solution for electrical installations, ensuring a high level of safety for both users and installers. The rated continuous current of 125A and high short-circuit breaking capacity of 36kA guarantee reliable operation even under demanding conditions.

Design and Application

The switch is designed for protecting electrical circuits with a rated voltage ranging from 220 to 690V. Its complete unit construction in an enclosure simplifies installation and ensures durability. Main terminal connections are made via bolted connections, providing secure and stable wiring. The inability to mount on TH or DIN TH rails means the device is intended for specialized applications requiring independent installation. Two auxiliary switching contacts enhance functionality, enabling connection of additional signaling or control devices.

Key Advantages and Features

• High Short-Circuit Breaking Capacity: 36kA at 400V ensures effective protection of installations against short-circuit consequences.
• Integrated Residual Current Protection: Provides protection against electric shock by detecting earth leakage currents.
• Wide Adjustable Overload Trip Range: Setting range of 100-125A allows sensitivity adjustment to suit the specific protected circuit.
• Trip Indicator: Enables quick identification of the switch status—whether it tripped due to overload, short circuit, or RCD fault.
• Robust Construction: Complete enclosed unit ensures durability and resistance to mechanical damage.
• IP30 Protection Rating: Protection against finger contact and ingress of solid objects larger than 2.5 mm.
• Halogen-Free Material: Enhances fire safety and minimizes emission of toxic substances in case of fire.
• Terminal Cross-Section: Supports conductor sizes from 2.5 mm² to 50 mm², both flexible and rigid.

Thanks to these features, the DPX3 switch offers a reliable solution for installers seeking a safe and functional component for electrical installations, as well as end users expecting comprehensive protection for their home or business.