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Schneider Electric Interpact Disconnector - 28903 - Merlin Gerin

Schneider Electric Interpact Disconnector - 28903 - Merlin Gerin

Schneider Electric Interpact INS switch-disconnector, main switch design, working switch design, 1...

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Product Information

Full details

This guide is for electricians, maintenance personnel, and system designers requiring a reliable main switch or working switch for electrical distribution. The Schneider Electric Compact INS63 offers robust circuit isolation and protection with a compact DIN rail design, but requires proper understanding of its 4-pole configuration for optimal installation. It serves as a 4 Pole DIN Rail Non Fused Isolator Switch with a Maximum Current of 63A and a Power Rating of 30kW, suitable for various industrial and commercial applications. Key features include its 500V rated operating voltage, 63A continuous current rating, and IP40 protection.

All features

SeriesMerlin Gerin
Model Part Number28903
BrandSchneider Electric

Extended Product Information

FAQs

What is the main purpose of the Schneider Electric Compact INS63?

It serves as a main switch, working switch, or isolator in electrical distribution systems, providing safe disconnection of circuits for maintenance or operation.

Can this switch be used for overcurrent protection?

No, this is a non-fused isolator switch. Overcurrent protection (like circuit breakers or fuses) must be provided separately upstream or downstream of this device.

What does the IP40 rating mean?

IP40 means the device is protected against solid objects larger than 1mm (like wires) and offers no protection against water ingress. It is suitable for dry, indoor environments.

What is the maximum voltage this switch can handle?

The rated operating voltage (Ue) is up to 500V AC and 250V DC.

Can the handle be locked in both ON and OFF positions?

The padlock feature is primarily designed to secure the switch in the 'OFF' position for safety during maintenance. Check the specific model documentation for ON position locking capabilities.

What is the weight of the Compact INS63?

The weight of the device is approximately 600 grams.

What is the operating temperature range?

The switch can operate reliably within a temperature range of -25°C to +70°C.

Troubleshooting

Switch fails to engage or disengage

Check that the handle is securely attached to the switch mechanism. Ensure there are no obstructions preventing movement. Verify that the internal mechanism is not damaged.

Overheating at terminals

Ensure all terminal screws are properly tightened to the manufacturer's recommended torque. Check for corrosion or damage on the conductors. Verify that the connected load does not exceed the 63A continuous current rating.

Inconsistent pole isolation

This could indicate internal damage. The unit may need to be replaced. Ensure all four poles are correctly wired and that the switch is not subjected to overloads or short circuits.

Padlock cannot be inserted or removed

Ensure the switch is fully in the 'OFF' or 'ON' position as required. Check the padlock hole for debris. Try a different padlock if the current one is obstructed.

Pros and Cons

Pros

  • Reliable circuit isolation for safety and maintenance.
  • Compact design saves space in electrical panels.
  • Padlock feature enhances operational safety.
  • Suitable for both AC and DC applications within voltage limits.
  • Robust construction for industrial environments.

Cons

  • Requires understanding of 4-pole wiring for correct installation.
  • IP40 rating limits its use in wet or dusty environments.
  • Non-fused design means overcurrent protection must be provided separately.
  • Black handle may not offer high visibility in all conditions.

Setup, Compatibility & Care Instructions

Setup:

  1. Mounting: The INS63 is designed for DIN rail mounting. Ensure the DIN rail is securely installed in the enclosure.
  2. Wiring: Connect the incoming power conductors to the appropriate terminals on one side of the switch and the outgoing load conductors to the corresponding terminals on the other side. Ensure correct polarity and secure all connections using appropriate tools. Given it is a 4-pole device, ensure all four poles are correctly wired.
  3. Handle Installation: Attach the rotary handle according to the manufacturer's instructions, ensuring it engages correctly with the switch mechanism.
  4. Padlock: Utilize the padlock feature for safety during maintenance by inserting a suitable padlock when the switch is in the 'OFF' position.

Compatibility:

  • Voltage: Compatible with AC systems up to 500V and DC systems up to 250V.
  • Current: Suitable for circuits with a continuous current of up to 63A.
  • Enclosure: Requires an enclosure with a suitable DIN rail and sufficient space for the 90mm width, 85mm height, and 62.5mm depth.

Care:

  • Cleaning: The exterior of the switch can be cleaned with a dry or slightly damp cloth. Avoid using solvents or abrasive cleaners.
  • Inspection: Periodically inspect terminals for signs of corrosion or loose connections. Ensure the handle operates smoothly.
  • Environment: Operate within the specified temperature range of -25°C to +70°C. Avoid exposure to excessive moisture, dust, or corrosive atmospheres beyond its IP40 rating.

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