VIOX VM7-125-2 1-4P 1-125A 10kA Low Voltage MCB

VIOX VM7-125-2 MCB offers robust protection for electrical systems up to 125A. This GB/T14048.2 and IEC60947-2 compliant device features a 10kA ultimate breaking capacity and supports various current ratings from 16A to 125A at 240/400V AC. Available in 1P, 2P, 3P, and 4P configurations, it provides C and D tripping curves for versatile applications. Key advantages include a 6kV impulse withstand voltage, red/green safety indicators, and an energy storage mechanism for improved lifespan. With a 20,000 cycle mechanical life and 6,000 cycle electrical life, this MCB ensures reliable protection for critical equipment and power line facilities. Its compatibility with modular accessories and 27mm unipolar width make it ideal for various distribution systems in important buildings. The device operates effectively at 50/60Hz and offers both overload and instantaneous tripping characteristics for comprehensive circuit protection.

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VIOX VM7-125-2 1-4P 1-125A 10kA Low Voltage MCB Miniature Circuit Breaker

Overview

The VIOX VM7-125-2 series miniature circuit breaker is a high-performance device designed for distribution lines with a rated working frequency of 50Hz/60Hz, a rated working voltage of AC240/400V, and a rated current up to 125A. This MCB offers superior protection for power line facilities and critical electrical equipment in important buildings and similar environments. It can also be used for infrequent on-off operations and is suitable for isolation purposes.

Key Features

  • High rated short-circuit breaking capacity of 10kA for all current levels
  • Red and green safety indicators for enhanced safety
  • Energy storage mechanism for quick contact closure, improving product lifespan
  • Compatible with various modular accessories, such as AX-1
  • Compliant with GB/T14048.2 and IEC60947-2 standards

Technical Specifications

  • Product shelf current: 125A
  • Rated insulation voltage (Ui): 1000V
  • Rated impulse withstand voltage (Uimp): 6kV
  • Rated current: 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A
  • Rated voltage: 240/400V (1P, 2P), 400V (2P, 3P, 4P)
  • Rated frequency: 50/60Hz
  • Tripping curve: C: 8In±20%, D: 12In±20%
  • Number of poles: 1P, 2P, 3P, 4P
  • Unipolar width: 27mm
  • Ultimate short-circuit breaking capacity (Icu): 10kA
  • Operating short-circuit breaking capacity (Ics): 7.5kA
  • Reference temperature: 30°C
  • Usage Category: A

Performance Characteristics

  • Mechanical life: 20,000 cycles
  • Electrical lifespan: 6,000 cycles

Tripping Characteristics

Rated Current (A) Overload Tripping Characteristics Instantaneous Tripping Characteristics (A)
In ≤ 125 1.05In agreed non-tripping time 1h (cold state)
1.30In agreed tripping time 1h (hot state)		 10In±20%
In > 125 1.05In agreed non-tripping time 2h (cold state)
1.30In agreed tripping time 2h (hot state)

Applications

  • Protection of power line facilities
  • Critical electrical equipment protection
  • Distribution systems in important buildings
  • Infrequent on-off operations
  • Electrical isolation

Safety Features

  • High short-circuit breaking capacity
  • Dual-color safety indicators
  • Energy storage mechanism for consistent operation

Characteristic Curve

Dimension

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