GV2 0.1~80A(adjustable) Motor Protection Circuit Breaker MPCB
GV2 0.1~80A(adjustable) Motor Protection Circuit Breaker MPCB
The LVMA GV2 is a 3-pole motor protection circuit breaker (MPCB) combining adjustable overload, short-circuit protection, and manual START/STOP control for three-phase AC motors. DIN rail mount, AC-3 rated, ideal for pumps, fans, and industrial machinery.
The LVMA GV2 is a 3-pole motor protection circuit breaker (MPCB) combining adjustable overload, short-circuit protection, and manual START/STOP control for three-phase AC motors. DIN rail mount, AC-3 rated, ideal for pumps, fans, and industrial machinery.
1. Product Overview
2. Key Specifications
| Parameter | Details |
|---|---|
| Model | GV2 |
| Rated Current Range | 0.1-80A (adjustable) |
| Poles | 3P |
| Rated Operational Voltage (Ue) | AC 690V / 50/60Hz |
| Rated Insulation Voltage (Ui) | AC 690V |
| Rated Impulse Withstand Voltage (Uimp) | 6kV |
| Short-Circuit Breaking Capacity | 100kA (at 400V) |
| Utilization Category | AC-3 (motor starting/stopping) |
| Protection Functions | Overload protection, Short-circuit protection, Manual isolation |
| Reset Mode | Manual (red STOP / black START buttons) |
| Mounting Type | 35mm DIN rail mount |
| Compliance Standards | IEC 60947-2, IEC 60947-4-1 |
| Operating Temperature | -20°C ~ +60°C |
| Mechanical Life | ≥100,000 operations |
| Electrical Life (AC-3) | ≥100,000 operations at rated load |

3. Core Features
✅ Adjustable Overload Protection: Rotary dial for precise setting of motor full-load current (0.1-80A) to match specific motor ratings.
✅ Integrated Short-Circuit Protection: Fast-acting magnetic trip element provides instant protection against short-circuit faults.
✅ Combined Control & Protection: Replaces separate contactors and thermal relays, reducing component count and wiring complexity.
✅ Manual START/STOP Operation: Color-coded buttons (black START / red STOP) for safe local motor control and emergency shutdown.
✅ Isolation Function: The OFF position provides visible electrical isolation for maintenance safety.
✅ High Breaking Capacity: 100kA short-circuit withstand at 400V ensures system stability during severe faults.
✅ DIN Rail Mount Design: Compact form factor fits standard 35mm DIN rails, ideal for motor control centers and distribution panels.
✅ Test Function: Built-in TEST button allows periodic verification of overload protection functionality.
4. Applications
- Direct-on-line (DOL) motor starting for pumps, fans, and compressors
- Industrial machinery and conveyor systems
- HVAC equipment and ventilation systems
- Motor control panels and machine tools
- Small to medium-sized three-phase AC motors (0.75–30kW range)
- Agricultural and industrial equipment motor circuits
5. Why Choose LVMA GV2 MPCB?
- All-in-One Solution: Combines motor control, overload, and short-circuit protection in a single compact device, saving panel space and installation time.
- Precise Protection: Adjustable current setting ensures optimal protection tailored to the motor’s specific rating.
- Reliable Performance: Compliant with IEC 60947 standards, with high short-circuit breaking capacity and long mechanical/electrical life.
- User-Friendly Operation: Clear START/STOP buttons and visible trip status simplify troubleshooting and maintenance.
- Cost-Effective: Eliminates the need for additional contactors and relays, reducing overall system cost and complexity.
- Global Compatibility: Designed for use in 50/60Hz AC systems, suitable for industrial applications worldwide.
6. Technical Documents & Support
- Download the full datasheet for detailed specifications, wiring diagrams, and motor compatibility charts.
- Contact our engineering team for custom configurations or OEM solutions for large-scale projects.
- Request a quote with your project details for bulk pricing, lead times, and compliance certifications.
1. Product Overview
2. Key Specifications
| Parameter | Details |
|---|---|
| Model | GV2 |
| Rated Current Range | 0.1-80A (adjustable) |
| Poles | 3P |
| Rated Operational Voltage (Ue) | AC 690V / 50/60Hz |
| Rated Insulation Voltage (Ui) | AC 690V |
| Rated Impulse Withstand Voltage (Uimp) | 6kV |
| Short-Circuit Breaking Capacity | 100kA (at 400V) |
| Utilization Category | AC-3 (motor starting/stopping) |
| Protection Functions | Overload protection, Short-circuit protection, Manual isolation |
| Reset Mode | Manual (red STOP / black START buttons) |
| Mounting Type | 35mm DIN rail mount |
| Compliance Standards | IEC 60947-2, IEC 60947-4-1 |
| Operating Temperature | -20°C ~ +60°C |
| Mechanical Life | ≥100,000 operations |
| Electrical Life (AC-3) | ≥100,000 operations at rated load |

3. Core Features
✅ Adjustable Overload Protection: Rotary dial for precise setting of motor full-load current (0.1-80A) to match specific motor ratings.
✅ Integrated Short-Circuit Protection: Fast-acting magnetic trip element provides instant protection against short-circuit faults.
✅ Combined Control & Protection: Replaces separate contactors and thermal relays, reducing component count and wiring complexity.
✅ Manual START/STOP Operation: Color-coded buttons (black START / red STOP) for safe local motor control and emergency shutdown.
✅ Isolation Function: The OFF position provides visible electrical isolation for maintenance safety.
✅ High Breaking Capacity: 100kA short-circuit withstand at 400V ensures system stability during severe faults.
✅ DIN Rail Mount Design: Compact form factor fits standard 35mm DIN rails, ideal for motor control centers and distribution panels.
✅ Test Function: Built-in TEST button allows periodic verification of overload protection functionality.
4. Applications
- Direct-on-line (DOL) motor starting for pumps, fans, and compressors
- Industrial machinery and conveyor systems
- HVAC equipment and ventilation systems
- Motor control panels and machine tools
- Small to medium-sized three-phase AC motors (0.75–30kW range)
- Agricultural and industrial equipment motor circuits
5. Why Choose LVMA GV2 MPCB?
- All-in-One Solution: Combines motor control, overload, and short-circuit protection in a single compact device, saving panel space and installation time.
- Precise Protection: Adjustable current setting ensures optimal protection tailored to the motor’s specific rating.
- Reliable Performance: Compliant with IEC 60947 standards, with high short-circuit breaking capacity and long mechanical/electrical life.
- User-Friendly Operation: Clear START/STOP buttons and visible trip status simplify troubleshooting and maintenance.
- Cost-Effective: Eliminates the need for additional contactors and relays, reducing overall system cost and complexity.
- Global Compatibility: Designed for use in 50/60Hz AC systems, suitable for industrial applications worldwide.
6. Technical Documents & Support
- Download the full datasheet for detailed specifications, wiring diagrams, and motor compatibility charts.
- Contact our engineering team for custom configurations or OEM solutions for large-scale projects.
- Request a quote with your project details for bulk pricing, lead times, and compliance certifications.
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