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Tameson UK£146.26Visit shop Schneider Electric Tesys Gv3l40 Motor Circuit Breaker 40A 690V - Gv3l40
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The Schneider Electric TeSys GV3L40 is a three-pole magnetic motor circuit breaker designed for industrial automation, process control, and telecommunications networks, offering robust motor protection with a high breaking capacity of 50kA@400V. Its key benefit lies in the Everlink BTR screw terminals, ensuring reliable and long-lasting electrical connections even in demanding environments. A potential caveat for users is the ongoing color change in the TeSys range, where received stock might be white or black, though functionality remains unaffected.
| Series | TeSys |
|---|---|
| Model Part Number | GV3L40 |
| Brand | Schneider Electric |
Everlink BTR terminals provide a constant tightening force, ensuring a strong, safe, and long-lasting electrical connection that resists loosening due to vibration or thermal cycling, thereby enhancing reliability.
The GV3L40 is a magnetic motor circuit breaker providing short-circuit protection. For complete motor protection, including overload protection, it is designed to be used with a compatible thermal overload relay, such as the LRD340.
The 'In' refers to the rated current. A 14xIn trip level means the magnetic protection will trigger a rapid trip when the current reaches 14 times the rated current, typically indicating a short circuit.
This breaker is specifically designed for motor circuit protection. While it offers high breaking capacity, it may not be the most cost-effective or appropriately sized solution for general lighting loads, which typically use smaller circuit breakers.
A breaking capacity of 50kA (kiloamperes) at 400V indicates the maximum fault current the breaker can safely interrupt without sustaining damage. This high rating is essential for protecting equipment and personnel in industrial power systems.
Schneider Electric is transitioning the color of the TeSys range from white to black. Both colors offer the same Fit, Form, and Functionality; the color difference is purely aesthetic during this transition period.
With the breaker in the 'ON' position, press the clearly marked 'Trip test button' on the front face. The breaker should trip, indicating its thermal-magnetic protection is operational.
Check for motor overload, short circuits in the wiring, or incorrect setting of the thermal overload relay (if used).
Ensure the fault condition has been cleared. Attempt a reset after a short period. If the issue persists, inspect the mechanism for damage.
Turn off power. Inspect terminals for dirt or damage. Ensure conductors are properly stripped and inserted. Tighten screws securely using appropriate tools. Replace conductors if damaged.
Ensure the breaker is in the 'ON' position. If it still fails, the internal mechanism may require service or replacement.
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