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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, les fans, 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 (Tapez C, suitable for motor-type inductive loads) |
| Courant de fonctionnement nominal (C'est à dire) | Adjustment range: 4 ~ 6 UN (stepless adjustment via knob to match the motor’s rated current) |
| Tension de fonctionnement nominale (Ue) | AC-3 Category: 415 V (commonly used in three-phase motor circuits); AC-1 Category: 440 V (pour charges résistives) |
| Tension d'isolation nominale (Interface utilisateur) | 690 V |
| Rated Short-Circuit Breaking Capacity (ICU) | 15 kA at 415 V (meets short-circuit protection requirements for conventional industrial scenarios) |
| Fonctions de protection | Thermal-magnetic trip: Overload → Thermal trip (delayed action); Short circuit → Magnetic trip (instantaneous action) |
| Méthode de fonctionnement | Front-panel knob operation (marche/arrêt + current adjustment), manual reset |
| Méthode d'installation | Standard DIN rail mounting (35 mm rail, industrially universal) |
| Contacts auxiliaires (Facultatif) | Requires matching auxiliary contact modules (par ex., GV2-AUX01 Normally Open, GV2-AUX02 Normally Closed); no built-in auxiliary contacts |
| Compatibilité des accessoires | Supports installation of undervoltage releases, remote control modules, etc.. (must be purchased separately) |
| Matériau du boîtier | Engineering plastic (flame-retardant, impact-resistant) |
| Classe de protection | IP54 (dustproof, splash-proof, suitable for cabinet installation or slightly humid environments) |
| Applicable Motor Power (Reference) | 380 V three-phase motor: Environ 2.2 ~ 3 kW (specifically match the actual motor current) |
II. Core Features and Application Scenarios
1. Avantages principaux
– 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. Scénarios d'application
– Protection and control of the main circuit for small three-phase asynchronous motors (par ex., fan motors, water pump motors, conveyor belt motors).
– Overload/short-circuit protection for motors in machine tools, équipement d'automatisation, and electrical control cabinets.
– Protection for single-phase motors (confirm that the motor current is within the 4~6 A range) (par ex., small compressors).
III. Selection and Usage Notes
1. Correspondance actuelle: 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. Type de charge: Type C trip curve is specifically designed for motor-type inductive loads; it is not recommended for pure resistive loads (par ex., heating tubes).
3. Contacts auxiliaires: If remote control or fault indication is required, separately select auxiliary contact modules (par ex., GV2-AUX01 1NO, GV2-AUX02 1NC).
4. Environnement d'installation: 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. Foire aux questions
– Q: Can the GV2ME08C directly replace a fuse?
UN: Oui! 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: Non, it does not support remote tripping natively. To achieve remote control, you need to install a remote control module (par ex., GV2-ME series remote operation accessories) or cooperate with a contactor.
– Q: Can it be used for single-phase motors?
UN: Oui, 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.
