24VDC, DSRC4-G5NB/DC24 with screw wiring and Protection cap 4 channel Relay Module
Product Overview
The Denki Seigyo DSRC is a premium multi-channel relay module designed for high-performance industrial control, automation, and power distribution applications.
Available in 4, 8, and 16 channel configurations, it features 24VDC control voltage, screw-type wiring terminals, LED indication per channel, and an integrated protective cap for enhanced safety and durability.
Engineered with optocoupler isolation, high-quality PCB layout, and industrial-grade components, this module ensures long operational life, stable performance, and easy integration into any PLC or automation system.
Key Characteristics
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Available in 4, 8, and 16 channel configurations for versatile system expansion
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24VDC logic control input – compatible with PLCs, microcontrollers, and DCS systems
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Each relay rated up to 10A switching capacity for AC/DC loads
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Individual LED indicators for quick relay status monitoring
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Optocoupler input isolation for signal protection and electrical safety
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Screw-type terminal connectors for secure wiring
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Removable transparent protective cap for dust, shock, and contact safety
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Industrial-grade relay and PCB design for reliable operation under continuous load
Versatile and Reliable Industrial Relay Module
The DSRC series combines signal isolation, power control, and easy wiring in a compact, professional-grade module.
It provides safe and efficient switching between low-voltage logic signals and high-power AC/DC loads.
Built for industrial automation panels, process equipment, and machine interfaces, it ensures noise immunity, electrical safety, and long service life under rigorous conditions.
24VDC, DSRC4-G5NB/DC24 with screw wiring and Protection cap 4 channel Relay Module
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DSRC4-G5NB/DC24 (Available in 4 / 8 / 16 Channels) |
| Type | Multi-Channel Relay Output Module |
| Manufacturer | Denki Seigyo |
| Number of Channels | 4 / 8 / 16 Independent Relays |
| Control Voltage | 24 V DC |
| Relay Type | SPDT (1C) Mechanical Relay |
| Contact Rating | 10 A @ 250 VAC / 30 VDC (Resistive Load) |
| Contact Material | Silver Alloy |
| Coil Power Consumption | Approx. 0.9 W per channel |
| Optocoupler Isolation | Yes – Galvanic separation between input and load |
| Input Signal Type | DC logic (Low active / Sink input) |
| Response Time | Operate ≤ 10 ms / Release ≤ 5 ms |
| LED Indicator | 1 per channel (Relay ON status) |
| Protection Features | Flyback diode, surge suppression, over-voltage protection |
| Wiring Type | Screw terminal block |
| Terminal Pitch | 5.08 mm |
| Protective Cover | Transparent, removable safety cap |
| Insulation Resistance | ≥ 100 MΩ @ 500 VDC |
| Dielectric Strength | 2000 VAC (Input–Output, 1 min) |
| Operating Voltage Range | 19 – 28 V DC |
| PCB Material | FR-4, 2 oz copper, high thermal tolerance |
| Mounting Type | Panel mount / DIN rail (optional adapter) |
| Ambient Temperature | −25 °C to +70 °C |
| Storage Temperature | −30 °C to +85 °C |
| Humidity | 45–85 % RH (non-condensing) |
| Dimensions (L × W × H) | 4CH: 95×72×22 mm / 8CH: 145×72×22 mm / 16CH: 190×72×22 mm |
| Weight | 4CH: 120 g / 8CH: 180 g / 16CH: 260 g |
| Compliance | CE, RoHS |
Product Code Explanation
- DS – Denki Seigyo
- RC – Relay Card
- 4 / 8 / 16 – Number of relay channels
- G5NB – Omron G5NB relay (5 A contact rating)
- DC24 – 24 V DC control supply
Selection Chart
| DS | RC | Channels | Relay Type | Control Supply | Output Rating | Note |
| DS | RC | 4 | Omron G5NB | 24 V DC | 5 A | Compact relay card for small control panels |
| DS | RC | 8 | Omron G5NB | 24 V DC | 5 A | Suitable for medium PLC-based automation |
| DS | RC | 16 | Omron G5NB | 24 V DC | 5 A | High-density relay card for large I/O systems |
Applications
- PLC I/O expansion modules
- Industrial automation and process control
- Machine tools and equipment control panels
- Building automation and lighting control
- Power distribution and monitoring systems
- Control cabinets and relay boards
Ordering Information
| Model | Control Voltage | Channels | Relay Type | Load Capacity | Wiring Type | Protective Cover | Indicator |
| DSRC4-G5NB/DC24 | 24 V DC | 4 | SPDT (1C) | 10 A @ 250 VAC / 30 VDC | Screw terminal | Included | LED per channel |
| DSRC8-G5NB/DC24 | 24 V DC | 8 | SPDT (1C) | 10 A @ 250 VAC / 30 VDC | Screw terminal | Included | LED per channel |
| DSRC16-G5NB/DC24 | 24 V DC | 16 | SPDT (1C) | 10 A @ 250 VAC / 30 VDC | Screw terminal | Included | LED per channel |
Product Summary
The Denki Seigyo DSRC-G5NB/DC24 Relay Module delivers safe, scalable, and high-performance multi-channel switching for industrial systems. With optocoupler isolation, robust relay design, and flexible channel options, it ensures reliability, electrical safety, and ease of integration in demanding automation environments.
