DPX3-I 630 4P 630 A circuit breaker 422219

Isolating Switch – Reliable Protection for Electrical Installations

The DPX3-I 630 4P isolating switch is an advanced device designed for effective isolation and safe disconnection of electrical circuits. Suitable for industrial, commercial, and residential applications, it provides comprehensive protection against overloads and short circuits. Its robust construction and high technical specifications ensure long-term, fault-free operation.

Functionality and Applications

This device serves as a main, safety, and emergency isolator, making it a versatile component in any electrical installation. Mounting in distribution boards and an optional motorized drive enhance its flexibility and adaptability to diverse requirements. With a high rated current of 630 A, it performs excellently in high-power circuits. Applications include industry, public buildings, and large residential complexes.

Key Features and Benefits

• High Short-Circuit Breaking Capacity: Rated short-circuit withstand current of 8 kA ensures effective protection against sudden voltage surges.
• Versatility: Combines main, safety, and emergency isolator functions in a single unit – saves space and reduces costs.
• Flexible Installation: Mounting in distribution boards and optional motorized drive simplify integration with existing infrastructure.
• User Safety: Locking mechanism prevents accidental switching on or off during operation.
• Durability and Reliability: Solid fixed-mount construction guarantees long-term operation even under demanding conditions.
• Wide Operating Voltage Range: Supports voltages from 220 V to 690 V, enabling use in various electrical systems.
• Expandability Options: Ability to add undervoltage release or motorized drive allows customization for specific application needs.
• Two Changeover Auxiliary Contacts: Enable connection of switch status signaling or control of other devices.

Technical Parameters in Practice

The rated continuous current of 630 A indicates that the switch is designed for high-power loads, which is especially critical in industrial and public building applications. The rated power for AC-23 of 252 kW confirms its capability to handle demanding electrical loads. The IP30 protection rating provides basic protection against access to live parts. Screw-type connections ensure secure and durable termination of supply conductors.