VIOX VM1-125L/4300 35/22kA 100A MCCB

VIOX VMM3-150 MCCB provides robust protection for power distribution networks up to 150A. This IEC60947-2 compliant device features a 25kA breaking capacity at 400V AC and supports current ratings from 16A to 150A. Available in 3P configuration, it operates at 400V/415V AC with 1000V insulation voltage. Key advantages include compact size, high breaking capacity, and excellent anti-vibration properties. Suitable for various applications, it offers overload and short-circuit protection with inverse time and instantaneous tripping characteristics. Operating effectively from -5°C to +40°C and up to 2000m altitude, this MCCB ensures reliable performance in demanding electrical environments. Its versatile design, including multiple release configurations, makes it ideal for power distribution protection needs, offering superior safety features and compliance with international standards. The device’s 150x92x76mm dimensions and 4mm mounting holes facilitate easy installation in various setups.

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VIOX VM1-125L/4300 35/22kA 100A Moulded Case Circuit Breaker (MCCB)

Overview

The VIOX VM1-125L/4300 is a high-performance Moulded Case Circuit Breaker (MCCB) designed for AC 50/60Hz power distribution networks. With a rated insulation voltage of 800V, rated operation voltage of 690V, and rated operation current of 100A, this MCCB offers exceptional protection against overload, short circuit, under voltage, and other faults.

Key Features

  • Compact design for space-efficient installations
  • High breaking capacity: 35kA at 400V, 22kA at 690V
  • Short arcing time for improved safety
  • Suitable for both vertical and horizontal installation
  • Compatible with various accessories (alarm contact, shunt release, auxiliary contact)
  • Compliant with IEC60947-2 and GB140482 standards

Technical Specifications

  • Model: VM1-125L/4300
  • Frame rating: 125A
  • Rated current (In): 100A
  • Rated insulation voltage: 800V
  • Rated operation voltage: 690V
  • Rated ultimate breaking capacity (Icu): 35kA at 400V, 22kA at 690V
  • Rated service breaking capacity (Ics): 25kA at 400V, 15kA at 690V
  • Number of poles: 4P (3P also available)
  • Arcing distance: ≤50mm

Operating Conditions

  • Installation altitude: ≤2000m
  • Ambient temperature range: -5°C to +40°C (24-hour average ≤+35°C)
  • Relative humidity: ≤50% at +40°C, up to 90% at lower temperatures
  • Pollution level: Class 3

Product Categories

  • Breaking capacity: Standard type (S), Higher breaking capacity type (H)
  • Connection mode: Front board, Back board, Plug-in type
  • Operation mode: Direct handle, Rotation handle, Electrical operation
  • Number of poles: 3P, 4P
  • Available accessories: Alarm contact, Auxiliary contact, Shunt release, Under voltage release

Tripping Characteristics

Power Distribution Protection

Test Current I/In Test Time Initial State
Non-tripping current 1.05In 2h (In>63A), 1h (In≤63A) Cold state
Tripping current 1.3In 2h (In>63A), 1h (In≤63A) Immediately after non-tripping test

Motor Protection

Setting Current Conventional Time Initial State Note
1.0In >2h Cold state
1.2In ≤2h Immediately after 1.0In test
1.5In ≤4min Cold state 10≤In≤225
7.2In 4s≤T≤10s Cold state 10≤In≤225

Instantaneous operation characteristic: 10In±20% for power distribution, 12In±20% for motor protection.

Applications

  • Power distribution networks
  • Industrial facilities
  • Commercial buildings
  • Motor protection circuits
  • Switchgear and control panels

Advantages

  • Versatile protection for various electrical systems
  • High breaking capacity for improved safety
  • Compact design for easy installation in confined spaces
  • Multiple configuration options to suit various applications
  • Compliant with international standards for quality assurance

Quality Assurance

VIOX is committed to providing high-quality MCCBs that meet international standards. Our products undergo rigorous testing to ensure reliability, safety, and long-term performance in various electrical installations.

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