Eaton Selector Switch - M22-WRS-MS3
Best current price£42.69from Tameson UK
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Product Information
Full details
The Eaton M22-WRS-MS3 is a key-operated actuator designed for secure control in industrial and commercial electrical systems. It offers enhanced operator control through a maintained, 2-position switching mechanism. While it provides robust security and clear operational status, its specific MS3 key system may require dedicated key management.
All features
| Model Part Number | 111781 |
|---|---|
| Brand | Eaton |
Extended Product Information
FAQs
What does 'maintained' mean for this switch?
A maintained switch stays in the position you set it to (e.g., ON or OFF) until you manually change it. It does not spring back to a default position.
What is the IP66 rating?
The IP66 rating means the switch is protected against dust ingress (6) and protected against strong jets of water (6), making it suitable for outdoor or washdown environments.
Can I use any key with this switch?
No, this switch uses a specific MS3 key system. Only the correct MS3 key will operate the switch.
What are the dimensions of the cutout required?
The Eaton M22-WRS-MS3 requires a standard 22.5 mm diameter cutout in the control panel.
In which position can the key be withdrawn?
The MS3 key can only be withdrawn from the switch when it is in the '0' (OFF) position.
What materials is the switch made of?
The housing is made of plastic, and the bezel is titanium colored. The key is typically made of plastic.
What is the operating temperature range?
The switch can operate reliably in temperatures ranging from -25 °C to 70 °C.
Troubleshooting
Switch does not change position
Ensure the correct MS3 key is fully inserted and turned with sufficient force. Check for any obstructions in the keyway or mechanism. Verify that the switch is not being forced against a physical stop.
Key cannot be removed from the switch
The MS3 key can only be withdrawn in the '0' (OFF) position. Ensure the switch is in this position before attempting to remove the key. If it still won't remove, check for internal obstructions.
Electrical circuit not activating/deactivating
Verify wiring connections to the switch terminals are secure and correct. Test continuity of the switch contacts with a multimeter when in each position. Ensure the connected circuit has power.
Poor contact or intermittent operation
Clean the switch terminals. Check for corrosion or damage. The internal contacts may be worn and require replacement of the actuator module.
Pros and Cons
Pros
- Enhanced security with key-operated control.
- Maintained switching ensures selected position is held.
- Robust IP66 rating for protection in harsh environments.
- Durable plastic housing with a titanium bezel.
- Compact size for easy integration into control panels.
Cons
- MS3 key system may require specific key management protocols.
- Limited to 2 positions, not suitable for multi-state control.
- Key withdrawable only in one position (0), requiring a specific workflow.
- Requires a 22.5mm cutout, limiting compatibility with older panels.
Setup, Compatibility & Care
Setup:
- Ensure power to the control circuit is off before installation.
- Mount the actuator into a standard 22.5mm diameter cutout in the control panel.
- Connect the electrical contacts according to the system's wiring diagram and the switch's specifications.
- Insert the MS3 key and turn to the desired position (0 or I).
Compatibility:
- Requires a 22.5mm panel cutout.
- Designed for use within Eaton's M22 series and compatible control systems.
- Verify electrical ratings (voltage, current) against your system requirements.
Care:
- Clean the exterior with a dry or slightly damp cloth. Avoid abrasive cleaners.
- Ensure the key mechanism remains free of debris. Periodically test key operation.
- The IP66 rating assumes proper installation and sealing of the panel cutout and wiring entries.