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This Schneider Electric Motor Circuit Breaker (GV2RT07) is designed for three-phase motor protection in applications up to 0.75kW at 400V, particularly those with high inrush current and transformer protection needs. Its key benefit is reliable thermal-magnetic protection, ensuring safety and operational continuity. A potential caveat is its specific current range (1.6-2.5A), requiring careful selection for the intended motor load. Key features include adjustable thermal and fixed magnetic trip settings, high breaking capacity, and robust screw terminal connections, all compliant with international standards.
| Series | GV2R |
|---|---|
| Model Part Number | GV2RT07 |
| Brand | Schneider Electric |
This breaker is rated for motor applications up to 0.75kW at 400V.
It means the breaker uses a thermal element to protect against overloads (slow increases in current) and a magnetic element to protect against short circuits (sudden, high surges of current).
The breaker has an adjustable current range of 1.6-2.5A. Refer to the specific product manual for instructions on how to adjust the setting, typically involving a dial or screw mechanism.
This breaker is designed for three-phase motor applications. Using it for single-phase motors may not provide adequate or correct protection.
The magnetic trip level is fixed at 20 times the nominal current (20xIn), designed to provide rapid protection against short circuits.
It complies with major international standards including IEC, UL, and CSA.
The breaker is certified for 100,000 AC-3 switching cycles, indicating good durability for common industrial switching frequencies, but extremely high-cycle applications might require different solutions.
Verify motor wiring for short circuits. Ensure the adjustable current setting is not too low for the motor's startup current. Check for an internal fault within the breaker.
The motor may be overloaded or experiencing frequent starts. Check the motor's load and operating conditions. Adjust the thermal trip setting to the motor's correct FLA if it was set incorrectly. Inspect for worn motor components.
Ensure the fault condition that caused the trip has been cleared. If the breaker has tripped due to a severe fault, it may need replacement. Check for physical damage to the reset mechanism.
Ensure the supply and load wires are properly sized for the current and that all screw terminal connections are tightened securely. Loose connections generate heat.
Setup: Ensure power is completely disconnected before installation. Mount the GV2RT07 breaker according to its installation instructions, typically within an electrical enclosure. Connect the three-phase power supply to the input terminals and the motor leads to the output terminals using the screw terminals. Ensure all connections are tight and secure. The adjustable current setting should be configured to the motor's full load amperage (FLA) within the 1.6-2.5A range, with the magnetic trip typically set at 20 times the nominal current.
Compatibility: This breaker is designed for three-phase AC motor loads up to 0.75kW at 400V. It is compatible with systems conforming to IEC, UL, and CSA standards. Ensure the ambient temperature and environmental conditions are within the breaker's operating specifications.
Care: Regular visual inspection for dust or debris is recommended. Ensure ventilation around the breaker is clear. No user-serviceable parts are inside; cleaning should be done with a dry or slightly damp cloth. Avoid using solvents. Periodically check terminal connections for tightness, especially after periods of vibration or significant temperature cycling.
