VIOX VM8-63 1-4P 4.5kA MCB

VIOX VM8-63 MCB offers reliable protection for electrical systems up to 63A. This IEC/EN 60898-1 compliant device features a 4.5kA breaking capacity and supports current ratings from 6A to 63A at 230/400V AC. Available in 1P, 2P, 3P, and 4P configurations, it provides B, C, and D tripping curves for versatile applications. Key advantages include an 18mm module size, contact position indication, and protection against overloads and short circuits. With 4,000 cycle electro-mechanical endurance, this MCB ensures dependable protection for household and light commercial installations. Its 25mm² terminal capacity, 5N-m tightening torque, and easy 35mm DIN rail mounting make it suitable for various circuit protection needs. The device operates effectively from -5°C to 40°C and offers comprehensive tripping characteristics, making it ideal for non-frequent switching operations in diverse applications up to 2000m altitude.

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VIOX VM8-63 4P 4.5kA MCB Miniature Circuit Breaker with Household Failure Protection

Overview

The VIOX VM8-63 is a versatile Miniature Circuit Breaker (MCB) designed for protection against overload and short circuits in AC 50Hz/60Hz systems with rated voltage 230V/400V and rated current from 1A to 63A. It’s suitable for non-frequent on-and-off switch operations under normal circumstances, making it ideal for household and similar installations.

Key Features

  • Protection against both overload and short circuit
  • High short-circuit capacity of 4.5kA
  • Easy mounting onto 35mm DIN rail
  • Contact position indication
  • Suitable for circuits carrying currents up to 63A
  • Available in various pole configurations

Technical Specifications

  • Standard: IEC/EN 60898-1
  • Rated Current: 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
  • Rated Voltage: 230/400VAC (240/415)
  • Rated Frequency: 50/60Hz
  • Number of Poles: 1P, 2P, 3P, 4P (1P+N, 3P+N available)
  • Module size: 18mm
  • Curve type: B, C, D Type
  • Breaking capacity: 4500A
  • Optimal operating temperature: -5ºC to 40ºC

Installation and Performance

  • Terminal Tightening torque: 5N-m
  • Terminal Capacity (top and bottom): 25mm²
  • Electro-mechanical endurance: 4000 cycles
  • Mounting: 35mm DIN Rail
  • Suitable Busbar: PIN Busbar

Normal Service Conditions

  • Altitude: Less than 2000m above sea level
  • Ambient temperature: -5~+40°C, average temperature not exceeding +35°C within 24 hours
  • Relative Humidity: Not exceeding 50% at maximum temperature +40°C, higher relative humidity allowed at lower temperatures
  • Pollution class: II
  • Installation: Perpendicular with allowed tolerance ±5°

Tripping Characteristics

Test Tripping Type Test Current Initial State Tripping Time or Non-tripping Time Provision Result
a Time-delay 1.13In Cold t≤1h (In≤63A), t≤2h (In>63A) No Tripping
b Time-delay 1.45In After test a t<1h (In≤63A), t<2h (In>63A) Tripping
c Time-delay 2.55In Cold 1s<t<60s (In≤63A), 1s<t<120s (In>63A) Tripping
d B curve
C curve
D curve
3In
5In
10In
Cold t≤0.1s No Tripping
e B curve
C curve
D curve
5In
10In
20In
Cold t≤0.1s Tripping

Applications

  • Household electrical systems
  • Light commercial installations
  • Industrial applications with rated currents up to 63A

Safety Features

  • Overload protection
  • Short circuit protection
  • Household failure protection
  • Contact position indication for easy status checking

Characteristic Curve

Dimension

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