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....Modular Acti9 iCT contactor featuring a single-pole remote control with one normally open contact. Rated for 25A AC-7a and 8.5A AC-7b applications, with 250 VAC nominal operating voltage and 230-240 VAC control voltage. Suitable for HVAC systems, small motors, and control circuits. Features 100,000 cycle electrical lifespan for AC-7A/AC-1, DIN rail mounting, and IP20 protection. Module width: 18mm. This contactor is designed for efficient control of electrical circuits and features a single normally open (1NO) configuration, making it suitable for various applications in residential and commercial settings. Technical specifications include a rated current of 25A, voltage range of 230-240VAC, and frequency of 50Hz.
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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
Series
Acti9 iCT
Model Part Number
A9C20731
Brand
Schneider 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:
Ensure the power supply is disconnected before installation.
Mount the contactor onto a standard 35mm DIN rail.
Connect the load circuit to the power terminals (input) and output terminals.
Connect the control circuit to the coil terminals (usually marked A1 and A2).
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.