š Product Overview
The Denki Seigyo Slim Relay Card is an advanced, high-performance interface module designed to control electrical loads safely and efficiently in automation and control systems.
Engineered with high-quality relays, opto-isolated input circuits, and industrial-grade PCB design, this card ensures reliable operation, electrical isolation, and long service life even under demanding industrial environments.
It serves as a critical bridge between low-voltage control signals (from PLCs, microcontrollers, or sensors) and high-voltage load circuits, making it ideal for industrial automation panels, process control systems, machine control, and instrumentation setups.
ā” Key Features
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š¹ Available in 4, 8, 16, and 32-channel configurations
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š¹ Opto-isolated inputs for electrical protection of controllers and PLCs
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š¹ Plug-in relays for easy maintenance and quick replacement
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š¹ LED indicators for real-time relay status visualization
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š¹ Heavy-duty PCB with high dielectric spacing for industrial durability
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š¹ Modular screw terminal connectors for easy field wiring
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š¹ Compatible with 5V, 12V, and 24V DC control signals
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š¹ Compact design suitable for DIN rail or panel mounting
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š¹ Test button (optional) for manual relay triggering
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š¹ Designed and manufactured as per industrial EMC standards
š§© Technical Specifications
| Parameter | Specification |
|---|---|
| Model Variants | 4, 8, 16, 32 Channel |
| Relay Type | SPDT / DPDT Electromechanical Relay |
| Contact Rating | 5A @ 230V AC / 30V DC (resistive load) |
| Coil Voltage | 5V DC / 12V DC / 24V DC (customizable) |
| Input Type | Optically Isolated (via optocoupler) |
| Input Current | 8ā15 mA per channel (typical) |
| Dielectric Strength | 1500 VAC between coil and contacts |
| Response Time | <10 ms (Operate), <5 ms (Release) |
| Status Indication | LED indication per channel |
| Connector Type | Screw Terminal Blocks / Ribbon Header |
| Mounting Type | Panel Mount / DIN Rail Mount (optional) |
| PCB Material | FR4 Grade, 1.6 mm thick, 70 Ī¼m copper |
| Operating Temperature | 0Ā°C to +55Ā°C |
| Storage Temperature | -10Ā°C to +70Ā°C |
| Humidity | Up to 95% RH (non-condensing) |
| Insulation Resistance | >100 MĪ© at 500V DC |
| Life Expectancy | >100,000 mechanical operations |
| Enclosure (Optional) | Powder-coated MS or ABS enclosure |
| Standards | IS/IEC 61010-1, IEC 60255 compliant |
š Applications
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Industrial Automation Systems
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PLC & Microcontroller Interface
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Control Panels & Process Control
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Machine Tools & Robotics
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HVAC and Power Distribution Systems
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Signal Switching & Isolation Modules
š Advantages
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Extended relay life and stable performance
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High noise immunity and low power consumption
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Compact, modular, and service-friendly design
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100% tested for quality and performance
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Custom designs available as per user specification
š·ļø Ordering Information
Example:
Model: DS-RC16-24V
Description: 16-Channel Relay Card, 24V DC Coil, Opto-isolated Inputs
š§¾ Manufacturer
Denki Seigyo
Precision Industrial Automation & Control Solutions
