Schneider Electric Acti9 iCT Contactor - 25A 1 Pole NO 230V

Modular Acti9 iCT contactor featuring a single-pole remote control with one normally open contact....

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eBaySchneider Electric ICT remote Switch 1.2 W 250 V 25 A 1pc
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Tameson UKSchneider Electric Ict 25A Single Pole No Contactor 230V - A9c20731
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Rapid Online - Rapid Electronics Ltd.Schneider Electric A9C20731 ICT remote Switch 1.2 W 250 V 25 A 1pc
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eBaySchneider Acti 9 - A9C20731 - iCT Single Pole 25a N/O Contactor 240vac Coil Used
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Product Information

Full details

The Schneider Electric Acti9 iCT Contactor (MPN: A9C20731) is designed for efficient remote control of electrical circuits in residential and commercial settings. It offers a reliable solution for managing HVAC systems, small motors, and control circuits, featuring a compact 18mm width for DIN rail mounting. While it provides a significant electrical lifespan, users should be aware of its specific AC-7a and AC-7b application ratings.

All features

SeriesActi9 iCT
Model Part NumberA9C20731
BrandSchneider Electric

Extended Product Information

FAQs

What is the main difference between AC-7a and AC-7b ratings?

AC-7a is for 'Incidental control of loads which are resistive or semi-inductive'. AC-7b is for 'Control of motor loads'.

What is the electrical lifespan of this contactor?

The contactor has an electrical lifespan of 100,000 cycles for AC-7A/AC-1 applications.

Can this contactor be used for DC circuits?

No, this contactor is specifically designed for AC circuits with a nominal operating voltage of 250 VAC and control voltage of 230-240 VAC.

What size electrical panel space does this contactor occupy?

It has a module width of 18mm, making it a compact component suitable for standard DIN rail installations.

What type of protection does this contactor offer?

It offers IP20 protection, meaning it is protected against solid objects greater than 12.5mm (like a finger) and is intended for use in enclosed environments.

What is the required control voltage?

The required control voltage for the coil is 230-240 VAC.

Can I use this for a large motor application?

This contactor is rated for AC-7b (motor loads) at 8.5A. For larger motors, a contactor with a higher AC-7b rating would be necessary.

Troubleshooting

Contactor does not engage when control voltage is applied.

Verify that the control voltage is within the 230-240 VAC range and is correctly wired to the coil terminals (A1/A2). Check for any loose connections or damage to the coil.

Contactor remains engaged (does not release).

Ensure the control voltage is removed from the coil. Check if the load current exceeds the rated AC-7a or AC-7b limits, which could cause excessive heat and sticking. Inspect for physical obstructions.

Overheating of the contactor.

Confirm that the load current does not exceed the rated AC-7a (25A) or AC-7b (8.5A) limits. Ensure proper ventilation around the contactor in the enclosure.

Excessive noise during operation.

Some operational hum is normal. However, loud buzzing or clicking may indicate a loose connection or a voltage fluctuation. Check control voltage stability.

Pros and Cons

Pros

  • Compact design saves space in electrical panels.
  • Reliable for controlling HVAC systems and small motors.
  • Long electrical lifespan ensures durability.
  • Easy installation on standard DIN rails.
  • Offers both AC-7a and AC-7b application ratings for flexibility.

Cons

  • Specific AC-7a and AC-7b ratings require careful application matching.
  • Not designed for heavy-duty industrial motor starting.
  • Requires a separate 230-240 VAC control voltage source.

Setup, Compatibility & Care

Setup:

  1. Ensure the power supply is disconnected before installation.
  2. Mount the contactor onto a standard 35mm DIN rail.
  3. Connect the load circuit to the power terminals (input) and output terminals.
  4. Connect the control circuit to the coil terminals (usually marked A1 and A2).
  5. Verify wiring according to the circuit diagram and local electrical codes.

Compatibility:

  • Compatible with Schneider Electric Acti9 system components.
  • Requires a control voltage of 230-240 VAC.
  • Suitable for AC-7a and AC-7b applications within specified current and voltage limits.

Care:

  • Keep the contactor clean and free from dust and debris. Use a dry cloth for cleaning.
  • Ensure adequate ventilation around the contactor to prevent overheating.
  • Periodically inspect wiring connections for tightness.

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