DENKI SEIGYO – DS1H8-5A 24VDC 8-Channel Relay Module (Grey Housing)
Product Overview
The Denki Seigyo DS1H8-5A is a high-performance 8-channel relay module designed for 24VDC control systems in industrial and automation environments.
Featuring 8 independent SPDT (1C) relay outputs, this module allows precise switching of AC or DC loads up to 5A @ 250VAC / 30VDC per channel.
The grey industrial-grade housing with screw terminal wiring, LED indicators, and optocoupler input isolation ensures long-term reliability, safe operation, and ease of installation in control panels and PLC interfaces.
Key Characteristics
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8-channel independent relay outputs for multi-point control
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24VDC control voltage, ideal for PLC and automation systems
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Each channel rated for 5A @ 250VAC / 30VDC
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LED indicators for each channel to display ON/OFF status
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Optocoupler input isolation for enhanced safety and signal stability
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Screw-type terminals for secure wiring and maintenance
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Industrial grey enclosure with durable build quality
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Compatible with DIN rail or panel mounting options
Versatile and Reliable Industrial Relay Module
The DS1H8-5A offers reliable signal isolation and load control between logic-level circuits and high-power AC/DC devices.
Built to meet industrial automation standards, it ensures stable performance, low switching noise, and long service life.
Whether used in machine automation, building control, or process management, this relay module provides robust operation and simplified wiring for any system integrator or engineer.
DENKI SEIGYO – DS1H8-5A 24VDC 8-Channel Relay Module (Grey Housing)
Package: 10pcs/box
Brand: Denki Seigyo
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DS1H8-5A |
| Type | 8-Channel Relay Output Module |
| Manufacturer | Denki Seigyo |
| Number of Channels | 8 Independent Relays |
| Control Voltage | 24VDC |
| Relay Type | SPDT (1C) Mechanical Relay |
| Contact Rating | 5A @ 250VAC / 30VDC (Resistive Load) |
| Contact Material | Silver Alloy |
| Coil Power Consumption | Approx. 0.8W 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 | 8 × LED (one per relay channel) |
| Protection Features | Flyback diode, surge suppression, over-voltage protection |
| Wiring Type | Screw terminal block |
| Terminal Pitch | 5.08 mm (industrial standard) |
| Housing Colour | Industrial Grey |
| Housing Material | Flame-retardant ABS / PC |
| PCB Material | FR-4, 1.6 mm, copper trace 2 oz |
| Isolation Resistance | ≥ 100 MΩ @ 500VDC |
| Dielectric Strength | 2000VAC between coil and contact |
| Operating Voltage Range | 19–28VDC |
| Ambient Temperature | −25°C to +70°C |
| Storage Temperature | −30°C to +85°C |
| Humidity Range | 45–85% RH (non-condensing) |
| Mounting Type | Panel or DIN Rail (optional adapter) |
| Dimensions (L × W × H) | Approx. 140 × 72 × 22 mm |
| Weight | Approx. 180 g |
| Compliance | CE, RoHS |
Key Features
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8-channel relay module with 24VDC logic control
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5A load capacity per channel for AC/DC switching
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Optically isolated inputs for signal protection
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Compact grey housing for professional panel design
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LED status indicators simplify troubleshooting
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Screw terminals for secure, vibration-resistant connections
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Long electrical and mechanical lifespan
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Compatible with PLCs, microcontrollers, and I/O systems
Applications
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Industrial automation and control systems
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PLC output expansion modules
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Building management and lighting systems
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Process monitoring and machinery interfaces
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Energy management and control panels
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Instrumentation and signaling circuits
Ordering Information
| Model | Control Voltage | Channels | Relay Type | Load Capacity | Housing Colour | Wiring Type | Indicator |
|---|---|---|---|---|---|---|---|
| DS1H8-5A | 24VDC | 8 Channels | SPDT (1C) | 5A @ 250VAC / 30VDC (Each) | Grey | Screw Terminal | LED per Channel |
Product Summary
The Denki Seigyo DS1H8-5A 8-Channel 24VDC Relay Module combines high reliability, compact design, and industrial-grade performance.
With 5A load capacity per channel, optocoupler isolation, and secure screw terminal wiring, it’s an ideal solution for PLC control, automation panels, and industrial machinery.
Encased in a durable grey enclosure, the DS1H8-5A delivers safety, stability, and Denki Seigyo’s trusted quality for modern industrial systems.
