Modular Changeover Switch - EATON INDUSTRIES - 248345

Professional-grade modular changeover switch designed for 230/400V AC systems. Features I-O-II fun...

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Tameson UKEaton Industries Eaton Z-S/Wm 16A 230V Modular Changeover Switch - 248345
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eBayModule switch 2-way 1P 16A Z-S/WM 248345
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Product Information

Full details

This professional-grade modular changeover switch from EATON INDUSTRIES (MPN: 248345) is designed for 230/400V AC systems, offering reliable I-O-II functionality for electrical circuit management. It is ideal for electricians and system integrators needing robust control and safety features in industrial or commercial settings. A key benefit is its high short-circuit strength, ensuring protection even under fault conditions. However, note that it does not include an integrated signal lamp.

All features

Model Part Number248345
BrandEaton

Extended Product Information

FAQs

What is the maximum current this switch can handle?

The switch has a rated operational current of 16A and a nominal current of 20A. It also has a significant short-circuit strength of 10kA (ICW) and a breaking capacity of 20 kA.

Can this switch be used for DC circuits?

This switch is designed for 230/400V AC systems and is not rated for DC circuits. Using it with DC voltage may lead to malfunction or safety hazards.

What does 'I-O-II' functionality mean?

I-O-II indicates the switch has three positions: 'I' for the primary source, 'O' for off/center position, and 'II' for a secondary source. This allows for selection between two inputs and a neutral/off state.

What is the IP rating and what does it protect against?

The IP40/IP41 rating indicates protection against solid objects larger than 1mm (IP40) and protection against vertically falling water drops (IP41), suitable for indoor use in protected environments.

How do I mount this switch?

It is designed for mounting on a standard 35mm top-hat rail and fits standard 45mm front panel dimensions with a 17.5mm mounting width (1SU).

Does it come with a signal lamp?

No, this model does not include an integrated signal lamp to indicate the switch position.

What is the warranty period for this product?

Warranty information is typically provided by the retailer or EATON INDUSTRIES directly. Please refer to your purchase documentation or the manufacturer's website for specific warranty details.

Troubleshooting

Switch is difficult to operate

Ensure no obstructions are preventing movement. Check that wiring terminals are not over-tightened, which can distort the housing. Verify correct mounting on the rail.

No power transfer when switched

Confirm power is present at the input terminals. Check all wiring connections for tightness and correct phasing. Verify the switch is in the correct position (I or II).

Overheating during operation

Check that the connected load does not exceed the 16A operational current rating. Ensure terminal connections are tight to minimize resistance. Verify adequate ventilation in the enclosure.

Switch feels loose after installation

Re-seat the switch firmly on the top-hat rail. Check that the rail itself is securely mounted and straight. Ensure any panel mounting screws are properly tightened.

Pros and Cons

Pros

  • Professional-grade reliability for critical applications.
  • High breaking and impulse current capacity for safety.
  • Standardized dimensions ensure broad compatibility with existing panel setups.
  • Robust construction with good IP rating for protection in various environments.
  • Meets international safety and performance standards.

Cons

  • Does not include an integrated signal lamp.
  • Requires specific 45mm front and 17.5mm mounting width for installation.
  • Terminal cross-section is limited to 10 mm².
  • Primarily designed for 230V AC systems, may require transformers for other voltages.

Setup, Compatibility & Care

Setup:

  1. Ensure the main power supply is disconnected before installation.
  2. Mount the switch onto a standard 35mm top-hat rail using its integrated clip mechanism.
  3. Connect the input and output wiring to the appropriate terminals, ensuring the correct cross-section (1-10 mm²) and secure connections.
  4. Verify that the switch is installed within a suitable enclosure providing at least IP40 protection.

Compatibility:

  • Voltage: Primarily designed for 230/400V AC systems. Verify compatibility with your specific system voltage.
  • Mounting: Fits standard 45mm front dimensions and 17.5mm mounting width (1SU) panels.
  • Wiring: Supports terminal cross-sections from 1 mm² to 10 mm².

Care:

  • Periodically inspect the switch for signs of wear, damage, or loose connections.
  • Keep the area around the switch clean and free from dust and moisture.
  • Do not attempt to service the internal components; contact a qualified electrician for any repairs.
  • Ensure ventilation around the panel to prevent overheating.

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