Description

The Noark 2P 20A 4.5kA 400VAC IP20 miniature circuit breaker is a reliable and versatile solution for protecting electrical circuits in industrial, commercial, and residential applications. With a 20 A rated current and a 400 V AC rated voltage, this 2-pole (2P) circuit breaker provides effective protection against overloads and short circuits, making it suitable for modern electrical networks.

Key Technical Features

• Tripping characteristic: C (ideal for circuits with moderate inrush currents, such as motors or fluorescent lighting)

• Short-circuit breaking capacity (Icn): 4.5 kA at both 230 V and 400 V, compliant with EN 60898 standard

• Operating frequency: 50-60 Hz, adaptable to various power grid configurations

• Current limiting class: 3, ensuring fast interruption of faults

• Protection rating: IP20, preventing accidental contact with live parts

Modular Design and Accessory Compatibility

The Noark 2P 20A model stands out for its flexibility, allowing the integration of various accessories for extended functionality:

• Auxiliary contacts for monitoring the breaker’s status

• Shunt trip coils for remote control

• Undervoltage or overvoltage release coils for additional protection

• Attachable residual current blocks (RCBs) for earth leakage detection
  This circuit breaker supports up to 3 auxiliary/signal contacts and 2 coil units, enabling customization based on specific needs.

Installation and Configuration

• Compact dimensions: Mounting depth of 74 mm, optimized for standard electrical panels

• Modular device spacing: 2 mm, facilitating installation in narrow enclosures

• Compatibility: Additional devices can be mounted without compromising stability

Safety and Compliance

• Overvoltage category: III, ensuring resistance to transient overvoltages

• Pollution degree: 2, suitable for moderately humid and dusty environments

• Low power losses: Only 7.6 W, contributing to energy efficiency

Recommended Applications

• Power distribution circuits in offices, retail spaces, and homes

• Motor protection and industrial installations

• Lighting systems with inductive loads

The Noark 2P 1a 20A 4.5kA 400VAC IP20 combines durability, adaptability, and performance, making it a smart choice for electrical professionals. This miniature circuit breaker ensures reliable protection and ease of use in managing electrical circuits.