Eaton Selector Switch - M22
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Product Information
Full details
The Eaton Moeller M22 selector switch is designed for industrial control panels and machinery, offering reliable manual operation for changing states. Its key benefit is a robust, maintained switching action with a secure thumb-grip, ensuring positive engagement. A potential caveat is its specific cutout diameter, requiring precise panel preparation.
All features
| Series | M22 |
|---|---|
| Model Part Number | 216520 |
| Brand | Eaton |
Extended Product Information
FAQs
What is the required panel cutout size?
The switch requires a 22.5 mm diameter cutout.
What does 'maintained' operation mean?
Maintained operation means the switch will stay in the position you move it to until you manually move it again. It does not spring back to a default position.
How many contacts does this switch have?
This switch is equipped with 2 Normally Open (N/O) contacts.
What is the IP rating and what does it protect against?
The IP66 rating means the switch is protected against dust ingress (first digit '6') and against high-pressure water jets from any direction (second digit '6').
Can this switch be used outdoors?
Yes, the IP66 rating makes it suitable for many outdoor applications where protection against dust and water is necessary.
What is the maximum voltage and current rating?
The maximum AC voltage is 500V ac, the maximum DC voltage is 220V dc, and the maximum current is 6A.
Does this switch have an illumination feature?
No, this specific model (M22-WRK3/K20) is not illuminated.
Troubleshooting
Switch does not change state
Verify that the actuator is fully engaged in the desired position. Check for any mechanical obstructions around the switch mechanism. Ensure power is supplied to the controlled circuit.
Contacts not making/breaking as expected
Confirm the correct terminal connections have been made for the 2 N/O contacts. Double-check the switch's current and voltage ratings against the load requirements. Test continuity across the contacts when the switch is in different positions.
Switch feels stiff or difficult to operate
Inspect the mounting for signs of over-tightening or misalignment that could be deforming the switch body. Ensure the panel cutout diameter is correct and not binding the switch housing.
Pros and Cons
Pros
- Durable construction suitable for industrial environments.
- Reliable maintained switching action prevents accidental state changes.
- IP66 rating provides excellent protection against environmental factors.
- Clear 3-position selection for complex control logic.
- Ergonomic thumb-grip actuator for ease of use.
Cons
- Requires a specific 22.5 mm cutout diameter.
- Non-illuminated design may not be suitable for all status indication needs.
- Fixed N/O contact configuration may require additional relays for N/C functions.
Setup, Compatibility & Care
Setup:
- Ensure power to the control circuit is safely disconnected.
- Mount the switch through a 22.5 mm diameter panel cutout.
- Secure the switch body to the panel using the provided mounting hardware.
- Connect control wires to the screw terminals according to the circuit diagram, ensuring firm connections.
Compatibility:
- Designed for standard industrial control panels.
- Compatible with AC voltages up to 500V and DC voltages up to 220V.
- Requires wiring according to specific application requirements and local electrical codes.
Care:
- Clean the exterior with a dry or slightly damp cloth. Avoid abrasive cleaners.
- Periodically check electrical connections for tightness.
- Ensure the panel and switch sealing remain intact to maintain IP66 rating.