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3VL9400-1UH01
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3VL9400-1UH01 |
| Alternative Part Number | 3VL94001UH01 |
| Manufacturer | Siemens |
| Accessory Type | Under-voltage Release |
| Suitable for Use With | VL150XUL, VL150UL, VL250UL, VL400UL, VL400XUL (CG-Frame - LG-Frame) |
| Voltage Range | 220...250V AC |
| Mounting Position | For mounting in right pocket |
| Product Brand | SENTRON |
| Accessories | Accessories for circuit breakers UL, VL400001 |
| Approval | General Product Approval, EMC Test |
| Additional Information | Subject to change without notice |
The Siemens 3VL9400-1UH01 is a specialised accessory designed for enhancing the functionality of circuit breakers within the SENTRON series. This accessory is an undervoltage release mechanism, suitable for use with a range of circuit breakers including the VL150XUL, VL150UL, VL250UL, VL400UL, and VL400XUL, covering frame sizes from CG to LG. It operates on a voltage range of 220 to 250V AC and is engineered for installation in the right pocket of the circuit breaker.
Crafted with precision, the 3VL9400-1UH01 ensures that the circuit breaker it is paired with will trip reliably in the event of an undervoltage situation, thereby providing an additional layer of protection for electrical systems. This feature is particularly useful in applications where voltage sags can lead to hazardous situations or where it is critical to prevent the automatic restart of machinery after a power failure.
The accessory is part of the comprehensive SENTRON protection and switching devices range, which is known for its high quality and compatibility with a wide array of power distribution systems. The 3VL9400-1UH01 is a testament to Siemens' commitment to innovation, safety, and reliability in electrical protection technology.
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Frequently Asked Questions
What is the function of this accessory for circuit breakers?
This accessory is an undervoltage release module designed for use with certain SENTRON circuit breakers. It ensures that the circuit breaker trips and disconnects the circuit in the event of an undervoltage situation, enhancing the safety and protection of the electrical system.
Can this undervoltage release be used with any circuit breaker?
No, it is specifically designed for use with VL150XUL, VL150UL, VL250UL, VL400UL, and VL400XUL circuit breakers (CG-FRAME - LG-FRAME). It should only be mounted in the right pocket of compatible circuit breakers.
What voltage is required for this undervoltage release to operate?
The undervoltage release operates with a voltage range of 220 to 250V AC, which is suitable for the specified voltage levels in the UK and other regions with similar electrical standards.
How is this undervoltage release installed?
The undervoltage release is designed for easy installation in the right pocket of the compatible circuit breakers. However, it is recommended that a qualified electrician or a professional with appropriate expertise performs the installation to ensure proper operation and safety.
Is there any maintenance required for this undervoltage release?
Under normal operating conditions, the undervoltage release requires minimal maintenance. However, it is advisable to periodically check the device for any signs of damage or wear and to test its functionality as part of routine maintenance checks on the electrical system.
How can I verify the compatibility of this undervoltage release with my circuit breaker?
You should refer to the technical specifications of your circuit breaker and ensure it matches the models listed as compatible with the 3VL9400-1UH01. If in doubt, consult the documentation of your circuit breaker or seek advice from a professional.
What should I do if the undervoltage release does not operate as expected?
If the undervoltage release is not functioning as expected, it's important to first ensure that it has been installed correctly and is compatible with your circuit breaker. If issues persist, it may require inspection by a professional to determine if there is a fault or if it needs to be replaced.
