Description
IDEC RU4S-C-A110 4PDT Universal Relay
The **IDEC RU4S-C-A110** is an industrial universal relay from IDEC’s RU series, designed for control and switching applications. It uses a 110–120V AC coil to operate four changeover contact sets, providing flexibility for industrial control circuits and electrical panel installations.
Its transparent housing, colored marking plate and LED operation indicator help users identify the relay and check its operating status. The plug-in blade-terminal construction supports installation in a compatible relay socket.
Key Product Specifications
– **Brand:** IDEC
– **Model:** RU4S-C-A110
– **Product type:** Universal electromechanical relay
– **Series:** RU Series
– **Coil voltage:** 110–120V AC
– **Contact configuration:** 4PDT (4 Form C)
– **Maximum contact rating:** 6A
– **Terminal style:** Plug-in blade terminals
– **Operation indicator:** LED
– **Latching lever:** Not included
– **Mounting:** Plug-in installation with a compatible socket
Specifications are based on IDEC’s official product information and selection guide. The applicable contact rating depends on the load and operating conditions.
Features and Benefits
Four Changeover Contact Sets
The 4PDT contact configuration provides four changeover circuits. This arrangement can support multiple switching functions within a control system, provided the circuit design and contact ratings are suitable.
110–120V AC Coil
The relay is designed for control circuits supplying the specified 110–120V AC coil voltage. Check the control supply before installation; this model should not be substituted for a DC-coil relay or a different AC-voltage variant.
LED Operation Indicator
The built-in LED provides a visual indication of relay operation, helping technicians check the relay during control-panel inspection and troubleshooting.
Plug-In Blade Terminals
The plug-in terminal arrangement allows the relay to be fitted into a compatible socket. Select the socket and mounting accessories according to IDEC’s compatibility documentation.
Compact Industrial Design
The transparent housing and colored marking plate make the relay’s internal components and model identification easier to inspect.
Typical Applications
Depending on the circuit design and electrical load, this relay may be used in:
– Industrial automation control panels
– Machine control circuits
– Electrical switching systems
– Control and interface circuits
– Industrial equipment sequencing
– General-purpose control applications
These are typical relay applications; confirm suitability for the specific equipment before installation.
Installation and Compatibility Guidance
Before purchasing or replacing the RU4S-C-A110, verify the following:
1. **Coil supply:** Confirm that the control circuit supplies 110–120V AC.
2. **Contact load:** Check load current, switching voltage, inrush current and load type against the manufacturer’s ratings.
3. **Socket compatibility:** Use a socket specified for the IDEC RU4S relay family and the required mounting arrangement.
4. **Terminal wiring:** Follow the manufacturer’s wiring diagram and confirm each contact’s terminal assignment.
5. **Electrical safety:** Isolate power before installing or replacing the relay. Installation should be performed by a qualified person.
Buy IDEC RU4S-C-A110 in the UAE
Dynavation Star Electrical Fittings Trading LLC supplies electrical and industrial components for customers across the UAE. Contact the team to confirm the exact model, compatible socket and current availability for your project.
**Contact Dynavation Star on WhatsApp for the latest price and availability.**

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