Schneider Electric Protection Unit Power Switch - A9A26946 - iMX
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Product Information
Full details
This Schneider Electric iMX auxiliary contact (MPN: A9A26946) is for electricians and control system designers needing to enhance safety and monitoring in control circuits. Its key benefit is providing an additional auxiliary contact for enhanced safety and remote indication, working seamlessly with compatible Schneider Electric devices. A potential caveat is its specific compatibility requirements with certain primary devices.
All features
| Series | iMX |
|---|---|
| Model Part Number | A9A26946 |
| Brand | Schneider Electric |
Extended Product Information
FAQs
What is the primary function of the Schneider Electric iMX auxiliary contact?
The iMX auxiliary contact acts as a shunt release circuit trip. It provides an additional switching function to enhance safety and allow for remote or automatic tripping of compatible primary devices like circuit breakers or contactors.
What voltage ranges does this auxiliary contact support?
It supports a wide AC voltage range from 100 V to 415 V and a DC voltage range from 110 V to 130 V.
Which Schneider Electric devices is the A9A26946 compatible with?
It is designed for use with Schneider Electric Acti 9 series devices, specifically mentioned are ARA, iC60 MCB, IDPN Vigi, and other ild devices.
How is the iMX auxiliary contact mounted?
It features a clip-on design and typically mounts directly onto compatible Schneider Electric contactors or circuit breakers, utilizing one modular spacing unit.
Does the iMX auxiliary contact include signaling contacts?
The base iMX model is primarily a shunt trip. Variants like 'iMX+OF' include an Open/Close (OF) contact for remote indication of the primary device's status.
What is the warranty period for this product?
Schneider Electric typically offers an 18-month manufacturer warranty for its Acti 9 series auxiliary contacts.
Is this product environmentally friendly?
Yes, it is a Schneider Green Premium product, meaning it is designed for easy recycling, is free from toxic heavy metals, and mercury.
Troubleshooting
Auxiliary contact does not trip the connected device.
Verify the control voltage supply to the iMX is within the specified range (100-415 V AC / 110-130 V DC). Ensure the wiring connections are correct and secure. Confirm the primary device (e.g., MCB) is functioning correctly and is capable of being tripped by an auxiliary.
No remote indication (open/closed/tripped) from the auxiliary contact.
Check that the iMX has power. If it's the 'iMX+OF' variant, ensure the OF (Open/Close) contact wiring is correctly connected to the signaling circuit. Test the continuity of the OF contact when the primary device is in different states.
Device overheats or shows signs of damage.
Immediately disconnect power. Verify that the auxiliary contact is rated for the connected system and that the main contact unit's current and pole count are within the iMX's specifications (max 63A, 4 poles). Ensure proper ventilation around the installed components.
Pros and Cons
Pros
- Enhances safety and monitoring in control circuits.
- Wide voltage range (AC/DC) for broad application.
- Compact and easily attachable to compatible devices.
- Supports integration with various Schneider Electric protection devices.
- Environmentally conscious design (Green Premium).
Cons
- Specific compatibility required with primary devices (ARA, ic60 MCB, IDPN Vigi, etc.).
- Requires a separate power source for its own operation.
- Limited to one change-over contact.
- Not a standalone circuit breaker; it modifies the function of another device.
Setup, Compatibility & Care
Setup: The iMX auxiliary contact is designed for easy clip-on mounting to compatible Schneider Electric devices such as ARA, iC60 MCB, IDPN Vigi, and other ild devices. Ensure the primary device has a suitable mounting location for auxiliaries. Connect the control wiring to the appropriate terminals on the auxiliary contact as per the wiring diagram. It requires its own power supply within the specified voltage range (100-415 V AC / 110-130 V DC) to function.
Compatibility: This auxiliary contact is specifically designed for use with Schneider Electric's Acti 9 series components, including contactors, relays, circuit breakers (iC60 MCB), residual current devices (IDPN Vigi), and automatic reclosers (ARA). Verify the compatibility of your primary device before installation.
Care: Keep the auxiliary contact clean and free from dust and debris. Periodically inspect wiring connections for tightness and signs of corrosion. No user-serviceable parts are inside; maintenance should be performed by qualified personnel.