DENKI SEIGYO SR-1CO-B1 4Pin 6A Industrial Control Solid State Relay
Characteristics
●Compact structure and small size
●Mechanical life is semi-permanent
●Low power consumption and easy to use
●Corrosion-resistant, vibration-resistant,explosion-proof
●It can be used with sockets or for circuit board installation
Versatile and Reliable Industrial SSR
Upgrade your industrial control with the customizable 6A Industrial Control SSR DC Solid State Relay. With a 4-pin design and 6A load current, this relay offers reliable performance and a maximum switching voltage of 250VAC. Plus, our strict quality control measures ensure that you receive a top-quality product every time.
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DENKI SEIGYO SR-1CO-B1 4Pin 6A Industrial Control Solid State Relay
Manufacturer: Denki Seigyo
The Denki Seigyo Slim Relay 24V SPDT 5-Pin (Model: SR-1CO-B1/DC24) is a high-quality industrial relay designed for reliable switching performance in automation, control panels, and machinery applications. Built with precision-engineered contacts and a robust electromagnetic structure, it delivers consistent operation, long service life, and high insulation reliability — even in demanding industrial environments.
Compact and efficient, this slim relay provides 6A contact capacity at 250VAC / 30VDC, making it ideal for signal and power control circuits, PLC interfaces, and industrial automation systems.
🔹 Key Features
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Compact slim-type 5-pin SPDT relay for space-saving designs
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24V DC coil voltage for universal industrial control compatibility
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High contact rating of 6A @ 250VAC / 30VDC
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Mechanical endurance: up to 10 million operations (1×10⁷ OPS)
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Electrical endurance: up to 100,000 operations under rated load
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Clear cover design for easy inspection and maintenance
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Standard pin layout for socket or PCB mounting
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Low power consumption and fast switching response
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RoHS compliant, high dielectric strength and insulation resistance
🧩 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SR-1CO-B1/DC24 |
| Type | Electromechanical Slim Relay |
| Manufacturer | Denki Seigyo |
| Contact Configuration | SPDT |
| Number of Pins | 5 |
| Rated Coil Voltage | 24V DC |
| Coil Power Consumption | Approx. 0.9 W |
| Contact Rating | 6A @ 250VAC / 30VDC (Resistive Load) |
| Contact Material | Silver Alloy |
| Contact Resistance | ≤ 100 mΩ (initial) |
| Operate Time | ≤ 10 ms |
| Release Time | ≤ 5 ms |
| Insulation Resistance | ≥ 100 MΩ at 500V DC |
| Dielectric Strength | 2000 VAC between coil and contacts for 1 min |
| Mechanical Life | 1 × 10⁷ operations (no load) |
| Electrical Life | 1 × 10⁵ operations (rated load) |
| Ambient Operating Temperature | -25°C to +55°C |
| Mounting Type | PCB / Socket Mountable |
| Dimensions (L × W × H) | Approx. 28 × 10 × 25 mm |
| Weight | Approx. 15 g |
| Compliance | CE, RoHS |
🔌 Applications
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PLC Input/Output Interface
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Industrial Control Panels
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Process Automation Systems
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Machinery & Equipment Control
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Power Distribution and Signaling Circuits
🏷️ Product Summary
The Denki Seigyo SR-1CO-B1/DC24 Slim Relay combines compact design, high reliability, and long life, making it the perfect choice for industrial automation and control applications that demand precision and endurance.
