VIOX VM1-125L/3300 22kA 100A Electrical Moulded Case Circuit Breaker
Overview
The VIOX VM1-125L/3300 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 of 22kA
- 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/3300
- Frame rating: 125A
- Rated current (In): 100A
- Rated insulation voltage: 800V
- Rated operation voltage: 690V
- Rated ultimate breaking capacity (Icu): 22kA
- Number of poles: 3P, 4P
- 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 | Cold state |
| Tripping current | 1.3In | 2h | 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
- Industrial power distribution systems
- Commercial buildings
- Manufacturing facilities
- Oil and gas installations
- Transportation infrastructure
- Data centers
Advantages
- Versatile protection for various electrical systems
- High breaking capacity for improved safety
- Compact design for easy installation in confined spaces
- Energy-efficient operation
- Accurate fault detection and quick response
- 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.




