Hager Signal Modules & Pushbuttons - SVN351
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Tameson UKHager Signal Modules & Pushbuttons Pushbutton Modular - Svn351
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Product Information
Full details
The Hager SVN351 is a versatile impulse pushbutton designed for integration into modular devices and distribution boards. It offers a compact 17.5mm width and provides one normally open (NO) and one normally closed (NC) contact, making it suitable for control applications requiring momentary switching. While its progressive design adds to modern installations, users should be aware of its specific IP20 rating, limiting its use to dry, protected environments.
All features
| Series | SVN |
|---|---|
| Model Part Number | SVN351 |
| Brand | HAGER |
Extended Product Information
FAQs
What does IP20 mean for this pushbutton?
IP20 signifies that the device is protected against solid objects larger than 12.5mm (like fingers) and has no protection against water or moisture. It is suitable for indoor, dry environments only.
Can I use this pushbutton for DC circuits?
The SVN351 is rated for 230V AC. While it might function in some low-voltage DC applications, it is not designed or rated for DC use, and doing so may void the warranty and pose a safety risk.
What is the difference between the NO and NC contacts?
NO (Normally Open) contact is open when the button is not pressed and closes when pressed. NC (Normally Closed) contact is closed when the button is not pressed and opens when pressed.
How do I wire the button for a momentary signal?
For a momentary signal, connect your control circuit to either the NO or NC terminals depending on whether you want the circuit to be activated or deactivated when the button is pressed, respectively.
What is the maximum switching current?
The maximum rated switching current for the Hager SVN351 is 16A.
Does this pushbutton require external power?
No, the pushbutton itself does not require external power. It acts as a switch to control a separate circuit.
What is the warranty period for this product?
Please refer to the official Hager warranty documentation or contact your supplier for specific warranty details, as these can vary by region and retailer.
Troubleshooting
Button does not activate circuit
Verify power supply to the circuit. Check wiring connections to the NO and NC contacts. Ensure the button mechanism is not obstructed.
Circuit remains active after button release
Confirm that the correct contact (NO or NC) is being used for the intended function. Check for any unintended latching mechanisms in the circuit design.
Intermittent circuit activation/deactivation
Inspect wiring for loose connections. Ensure the button is properly seated on the DIN rail and not subject to vibration. Check for corrosion on terminals.
Pros and Cons
Pros
- Compact and space-saving design (17.5mm width).
- Offers both NO and NC contacts for versatile circuit control.
- Suitable for integration into standard modular distribution boards.
- Durable construction for reliable operation.
- Modern, progressive design aesthetic.
Cons
- IP20 rating restricts use to dry, indoor environments.
- Requires manual reset after activation.
- Not suitable for high-power direct switching applications.
Setup, Compatibility & Care
Setup:
- Ensure power to the distribution board is isolated before installation.
- Mount the SVN351 pushbutton onto a standard DIN rail within the distribution board.
- Connect the control wiring to the appropriate terminals based on the desired circuit logic (using the NO or NC contacts).
- Restore power only after all connections are secure and verified.
Compatibility:
- The SVN351 is designed to fit standard 17.5mm modular width slots in distribution boards and control cabinets.
- It is compatible with AC circuits up to 230V and a maximum current of 16A.
- It is intended for use with other modular components and does not have independent power functions.
Care:
- Keep the pushbutton clean and free from dust and debris. Use a dry or slightly damp cloth for cleaning.
- Avoid using harsh chemicals or abrasive cleaners.
- Ensure the surrounding environment remains dry, as the IP20 rating offers no protection against liquids.