Schneider Electric iTL Impulse Relay - 16A 230V - A9C30811
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Product Information
Full details
The Schneider Electric iTL Impulse Relay (A9C30811) is a professional-grade electromechanical component designed for electricians and system integrators who require reliable remote control of lighting circuits. It excels in delivering robust 16A switching performance for commercial and industrial lighting systems, though users should be aware that it requires precise DIN rail installation and familiarity with electrical control wiring.
All features
| Series | iTL |
|---|---|
| Model Part Number | A9C30811 |
| Brand | Schneider Electric |
Extended Product Information
FAQs
What is the primary function of the iTL impulse relay?
It is used to switch a lighting circuit using remote momentary push-buttons, where one pulse turns the light on and the next pulse turns it off.
Is this relay compatible with LED lighting?
Yes, but ensure the inrush current of the LED drivers does not exceed the relay's switching capacity.
Does it require constant power to stay in the 'on' position?
No, it is an impulse relay, meaning it remains in its last state mechanically without needing continuous coil power.
What is the width of the device?
The device occupies one 18mm wide module space on a DIN rail.
Can this be used for DC loads?
The device supports a 110V DC control voltage; however, always verify the switching load capacity for DC versus AC.
Troubleshooting
Relay fails to toggle on/off
Verify that the control signal voltage matches the coil voltage requirements and check the push-button wiring for continuity.
Audible buzzing during operation
Ensure the relay is firmly seated on the DIN rail and that no debris is interfering with the mechanical movement of the contact.
Contact not closing under load
Check if the connected load exceeds the 16A maximum rating or if the input voltage has dropped below the threshold.
Pros and Cons
Pros
- High build quality and durability from a trusted brand
- Space-efficient 18mm modular design
- Compliance with RoHS environmental standards
- Broad compatibility with varied AC and DC control voltages
Cons
- Requires professional electrical installation
- Limited to one contact pole configuration
- DIN rail mounting is mandatory
Setup, Compatibility & Care
Installation must be performed by a qualified electrician in accordance with local safety regulations. The device is designed for clip-on mounting onto standard 35mm symmetrical DIN rails. Ensure that all wires are correctly terminated to the screw terminals before energizing the circuit. To maintain optimal performance, check the terminal screws periodically to ensure they remain tight and free from oxidation. Keep the device away from areas with excessive moisture or extreme heat to preserve the life of the internal electromechanical coil.