Schneider Electric GV2-ME21C is a 3-pole thermal-magnetic motor protection circuit breaker belonging to the TeSys GV2M series. Its core parameters cover electrical, protection, mechanical and environmental dimensions. Below is the structured and complete technical parameter sheet:
- Basic Electrical Parameters
| Parameter Item | Value | Standard/Remarks |
| Rated Operating Voltage (Ue) | 690V AC (IEC 60947-2); 600V AC (UL 508) | Suitable for three-phase industrial circuits |
| Rated Insulation Voltage (Ui) | 690V AC | Benchmark for insulation safety |
| Rated Impulse Withstand Voltage (Uimp) | 6kV | Surge resistance capability |
| Thermal Overload Setting Current (Ir) | 17-23A | 10-level adjustable, suitable for motors of corresponding power |
| Rated Operating Current (Ith) | 23A | Upper limit of long-term current carrying capacity |
| Pole Number | 3-pole | Protection for the main circuit of three-phase motors |
| Utilization Category | AC-3 (IEC 60947-4-1); Category A (IEC 60947-2) | Suitable for motor starting, stopping and operation |
| Control Method | Push-button type (handle operation) | Convenient for closing, opening and trip testing |
- Protection and Breaking Capacity
| Parameter Item | Value | Applicable Conditions |
| Ultimate Short-Circuit Breaking Capacity (Icu) | 3kA@690V AC; 15kA@400/415V AC; 50kA@230/240V AC; 6kA@440V AC; 4kA@500V AC | 50/60Hz, compliant with IEC 60947-2 |
| Service Short-Circuit Breaking Capacity (Ics) | 75% Icu@690V AC; 50% Icu@440V AC | Can continue to be used after breaking |
| Magnetic Trip Current | 327-390A (approx. 15-17 times of Ir) | Threshold for instantaneous short-circuit protection |
| Phase Loss Protection | Available | Reliable tripping in case of three-phase unbalance |
| Thermal Overload Protection | 10-level ambient compensation | Suitable for working conditions from -20℃ to +60℃ |
- Mechanical and Installation Parameters
| Parameter Item | Value | Standard/Remarks |
| Mounting Method | 35mm standard DIN rail (EN 60715) / screw mounting | DIN rail mounting is preferred; screw hole spacing is approx. 45mm |
| Mounting Position | Horizontal/Vertical | Flatness error ≤ 0.5mm/m |
| Terminal Type | Screw-clamp type | Suitable for 2.5-4mm² copper core wires, torque 1.5-2.5N·m |
| Overall Dimensions (H×W×D) | 89mm×44.5mm×78.2mm | Compact design, saving cabinet space |
| Weight | Approx. 0.26kg | Lightweight, easy to install |
| Electrical Service Life | 100,000 operations | Durability of closing and opening cycles |
| Mechanical Service Life | 200,000 operations | Reliability of the operating mechanism |
- Environmental and Protection Parameters
| Parameter Item | Value | Standard/Remarks |
| Ingress Protection Rating (IP) | IP20 (main unit) | IEC 60529, protection against finger touch |
| Mechanical Impact Resistance Rating (IK) | IK04 | Resistance to mechanical impact |
| Operating Temperature | -20℃~+60℃ | Wide temperature range for industrial applications |
| Storage Temperature | -40℃~+85℃ | No condensation or corrosive gas |
| Certifications | IEC, UL, CSA, CCC, EAC, Green Premium (RoHS/REACH) | Compliant with multiple global regional standards |
- Applicable Motor Power (Reference)
| Voltage Level | Applicable Motor Power |
| 400/415V AC | 9kW |
| 500V AC | 11kW |
| 690V AC | 18.5kW |
- Supplementary Core Features
- The handle can be locked in the OFF position to prevent accidental closing and improve maintenance safety.
- Auxiliary contact modules such as GV2-AE11 (1NO+1NC) can be added for signal feedback or control circuit expansion.
- The terminals are suitable for multi-strand flexible wires (cold-pressed terminals are required) to avoid heating caused by loose wiring.
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