- Typical model example: RSM4CD024L
- Suitable for general control signal switching, equipment interlock, and panel control
- Socket-compatible design for easier maintenance and replacement
Relay
RST
Shihlin Electric Relay RS Series
Breaking Capacity
RELAY | RSM / RSL / RST Series
A general-purpose relay series for control panels, switchboards, and equipment control circuits, offering multiple contact configurations, AC/DC coil voltage options, and socket combinations for flexible wiring and easy maintenance.
Product Overview
This series is Shihlin Electric’s general-purpose intermediate relay lineup, covering the RSM, RSL, and RST series. With multiple contact forms and socket options, it is suitable for signal switching, isolation, and control applications in control panels, machinery, switchboards, and automation systems.
Features
- Compact design for easy installation
- High sensitivity
- Well-structured design with wide application range
- Optional test button for easy debugging and maintenance
- Complete specification lineup with mechanical and LED indicators
- Non-polar DC coil wiring option (depending on model) for easier field wiring
Series Lineup & Application Suggestions
- Typical model example: RSL4CA024L
- Suitable for multi-circuit signal transfer and panel control circuit expansion
- Available in multiple AC/DC coil voltage options
- Typical model example: RST2CA024L
- Suitable for control circuits and equipment terminal signal transfer
- Supports socket and multiple terminal configurations for easy field service
Type Designation (Simplified)
Typical Applications
- Intermediate control and signal amplification inside control panels / switchboards
- PLC digital output isolation and signal transfer
- Status interlock and alarm output switching in motor control circuits
- Multi-point signal distribution in automation equipment
- Panels requiring frequent maintenance and quick relay replacement (socket type)
Coil Resistance Reference (Ω)
| Series / Model | DC | AC | ||||
|---|---|---|---|---|---|---|
| 24V | 110V | 24V | 48V | 110V | 230V | |
| RSM2C / RSM4C | 640 | 13,000 | 180 | 640 | 4,430 | 16,500 |
| RSL2C | 640 | 13,000 | 180 | 640 | 4,430 | 16,500 |
| RSL4C | 360 | 6,800 | 80 | 320 | 1,680 | 8,000 |
| RST1C / RST2C | 1,100 | 22,800 | 240 | 1,085 | 6,300 | 23,000 |
- Certification
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How can you reduce control panel assembly time and maintenance costs while ensuring reliable signal switching across multiple circuits?
Shihlin Electric's RSM/RSL/RST relay series eliminates complex wiring challenges through socket-compatible modular design and multiple contact form options (1C, 2C, 4C), enabling faster assembly and tool-free replacement. With optional LED indicators and mechanical test buttons, technicians can debug and maintain panels efficiently, reducing downtime and service costs while guaranteeing consistent signal isolation and amplification performance.
The RSM/RSL/RST relay series is specifically designed for manufacturers and system integrators seeking maintenance-friendly, cost-effective control solutions without compromising reliability. Shihlin Electric's commitment to professional customer support, combined with comprehensive specification lineups and socket-based modular design, ensures seamless integration into existing control architectures while minimizing downtime during maintenance and replacement operations. Whether you require compact relay solutions for panel control, expanded contact options for switchboard applications, or socket-type relays for frequent field service, our relay series delivers the flexibility, precision, and durability your automation systems demand. Contact Shihlin Electric today to discuss your specific control circuit requirements and discover how our relay solutions can enhance operational efficiency and system reliability.





