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Detailed Specifications and Core Information of Schneider GV2ME08C
Schneider GV2ME08C is a TeSys GV2 series thermal-magnetic motor circuit breaker (commonly known as a “motor protection switch”). Its core function is to provide overload protection and short-circuit protection for small three-phase/single-phase motors, while also featuring manual on/off control. It is widely used in motor control circuits such as machine tools, tifosi, and pumps.
| Item | Specific Parameters |
| Model Interpretation | GV2 = Series Name (Thermal-Magnetic Motor Circuit Breaker); ME = Knob Operation + Manual Reset; 08 = Frame Size; C = Trip Curve (Tipo C, suitable for motor-type inductive loads) |
| Rated Operating Current (Ie) | Adjustment range: 4 ~ 6 UN (stepless adjustment via knob to match the motor’s rated current) |
| Rated Operating Voltage (Ue) | AC-3 Category: 415 V (commonly used in three-phase motor circuits); AC-1 Category: 440 V (per carichi resistivi) |
| Rated Insulation Voltage (Ui) | 690 V |
| Rated Short-Circuit Breaking Capacity (Icu) | 15 kA at 415 V (meets short-circuit protection requirements for conventional industrial scenarios) |
| Funzioni di protezione | Thermal-magnetic trip: Overload → Thermal trip (delayed action); Short circuit → Magnetic trip (instantaneous action) |
| Metodo operativo | Front-panel knob operation (on/off + current adjustment), manual reset |
| Metodo di installazione | Standard DIN rail mounting (35 mm rail, industrially universal) |
| Contatti ausiliari (Optional) | Requires matching auxiliary contact modules (per esempio., GV2-AUX01 Normally Open, GV2-AUX02 Normally Closed); no built-in auxiliary contacts |
| Accessory Compatibility | Supports installation of undervoltage releases, remote control modules, ecc. (must be purchased separately) |
| Materiale dell'alloggiamento | Engineering plastic (flame-retardant, impact-resistant) |
| Protection Class | IP54 (dustproof, splash-proof, suitable for cabinet installation or slightly humid environments) |
| Applicable Motor Power (Reference) | 380 V three-phase motor: Approximately 2.2 ~ 3 KW (specifically match the actual motor current) |
II. Core Features and Application Scenarios
1. Core Advantages
– Precise Protection: Adopts thermal-magnetic trip principle; overload protection can be compensated with ambient temperature, and short-circuit protection acts instantaneously to avoid motor burnout.
– Easy Operation: Directly adjust the rated current via the knob without additional tools; on/off status is intuitively visible.
– Strong Compatibility: Supports rail mounting and can be combined with Schneider TeSys series contactors and relays to form a complete motor control circuit.
– Durable and Reliable: Industrial-grade design with vibration resistance, electromagnetic interference resistance, and long service life.
2. Scenari applicativi
– Protection and control of the main circuit for small three-phase asynchronous motors (per esempio., fan motors, water pump motors, conveyor belt motors).
– Overload/short-circuit protection for motors in machine tools, automation equipment, and electrical control cabinets.
– Protection for single-phase motors (confirm that the motor current is within the 4~6 A range) (per esempio., small compressors).
III. Selection and Usage Notes
1. Corrispondenza attuale: Must adjust the circuit breaker knob to the corresponding value (within the 4~6 A range) according to the “rated operating current” on the motor nameplate; do not use beyond the specified range.
2. Load Type: Type C trip curve is specifically designed for motor-type inductive loads; it is not recommended for pure resistive loads (per esempio., heating tubes).
3. Contatti ausiliari: If remote control or fault indication is required, separately select auxiliary contact modules (per esempio., GV2-AUX01 1NO, GV2-AUX02 1NC).
4. Installation Environment: With a protection class of IP54, avoid direct exposure to rain and environments with excessive dust concentration; it is recommended to install it in an electrical control cabinet.
5. Replacement and Upgrade: For a larger current range, select models in the same series such as GV2ME10C (6~10 A) or GV2ME14C (10~14 A); for intelligent protection, upgrade to the TeSys GV3 series (with digital display and communication functions).
IV. Frequently Asked Questions
– Q: Can the GV2ME08C directly replace a fuse?
UN: Yes! It provides dual protection against overload and short circuits, offering superior functionality compared to a single fuse. It is reusable without the need to replace the fuse element, making it more suitable for long-term motor protection.
– Q: Does it support remote tripping?
UN: NO, it does not support remote tripping natively. To achieve remote control, you need to install a remote control module (per esempio., GV2-ME series remote operation accessories) or cooperate with a contactor.
– Q: Can it be used for single-phase motors?
UN: Yes, it can be used for single-phase motor protection as long as the motor’s rated current is within the 4~6 A range and the voltage meets the requirements (AC 220V falls within the Ui 690V range).
For the complete technical manual, accessory selection table, or alternative model recommendations, refer to Schneider’s official website or contact authorized distributors for accurate information.
