Schneider Electric Impulse Relay - iTL - A9C30814
Best current price£31.46from Tameson UK
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Product Information
Full details
The Schneider Electric iTL Impulse Relay (A9C30814) is a professional-grade DIN rail component designed for electricians and facility managers seeking efficient, long-term control of lighting circuits through multiple pushbuttons. It provides robust 16A switching capacity and two stable mechanical positions, ensuring zero energy consumption in its standby state; however, users should note that it requires careful wiring for its 4NO contact configuration to ensure proper installation in complex lighting systems.
All features
| Series | iTL |
|---|---|
| Model Part Number | A9C30814 |
| Brand | Schneider Electric |
Extended Product Information
FAQs
Does this relay consume power when the lights are on?
No, it only consumes power during the momentary impulse needed to change the mechanical state.
Can I use this with LED lighting?
Yes, but ensure the inrush current of your specific LED driver setup does not exceed the 16A rating of the relay.
How many pushbuttons can I connect?
The device supports an unlimited number of pushbuttons, provided they are wired in parallel.
What is the physical size of the unit?
The unit occupies 2 module spaces on a standard DIN rail.
Is this a bistable relay?
Yes, it maintains two stable mechanical positions, which is why it is often referred to as an impulse or bistable relay.
Can it operate on 110V DC?
Yes, the A9C30814 is rated for both 230-240V AC and 110V DC control voltages.
Troubleshooting
Lights do not toggle after pressing the button
Verify the control voltage at the coil and check the wiring continuity between the pushbuttons and the relay.
Relay makes a clicking sound but lights do not turn on
Check the status of the 4NO contacts and ensure the load circuit is receiving power and that no upstream breakers have tripped.
Relay fails to release from the closed position
Check for a stuck pushbutton that may be continuously sending an impulse signal to the relay coil.
Pros and Cons
Pros
- Energy-efficient due to zero power draw between impulses
- Supports multiple pushbuttons for versatile control
- Reliable mechanical latching mechanism
- Compact DIN rail modular footprint
- Wide compatibility with diverse lighting loads
Cons
- Requires professional electrical knowledge for installation
- Not suitable for applications requiring complex smart-home automation without additional controllers
- Limited to 4NO contact configuration
Setup, Compatibility & Care
To install, mount the unit onto a standard 35mm DIN rail. Ensure the control coil is connected to a 230-240V AC or 110V DC power source as specified. Wiring should be performed in accordance with local electrical codes, ensuring that all pushbuttons are connected in parallel to the control input of the relay. No specialized maintenance is required due to the mechanical nature of the device, but it is recommended to conduct a periodic visual inspection of the connections to ensure they remain tight and free of oxidation.