Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DSR1-_A-AA |
| Type | Single Phase Solid State Relay (AC-AC) |
| Manufacturer | Denki Seigyo |
| Control Type | AC Input / AC Output |
| Input Control Voltage | 80–250VAC (Standard) |
| Input Current | ≤ 15 mA (typical) |
| Output Load Voltage | 24–480VAC (AC-AC) |
| Rated Load Current | 10A / 25A / 40A / 60A / 80A / 100A |
| Frequency Range | 47–63Hz |
| Turn-on Type | Zero-cross or Random-on (optional) |
| Turn-on Time | ≤ 10 ms (Zero-cross) |
| Turn-off Time | ≤ 10 ms |
| ON-State Voltage Drop | ≤ 1.6V (at rated load) |
| OFF-State Leakage | ≤ 10 mA |
| Dielectric Strength | 2500VAC (Input–Output) |
| Insulation Resistance | ≥ 100 MΩ at 500VDC |
| Surge Current | 10× rated current (10 ms) |
| Cooling Method | Natural / Forced cooling recommended for high load |
| LED Indicator | Built-in (Input ON indication) |
| Mounting Method | Panel / Heat sink mounting |
| Ambient Temperature | -25°C to +80°C |
| Storage Temperature | -30°C to +100°C |
| Humidity Range | 45–85% RH (non-condensing) |
| Housing Material | Flame-retardant thermoplastic |
| Dimensions (L × W × H) | Approx. 62 × 45 × 24 mm (varies by current rating) |
| Weight | Approx. 150–250 g (depending on model) |
| Compliance | CE, RoHS |
Key Features
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Compact single-phase SSR for AC load control
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Zero-cross and random-on control models
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LED indicator for operation monitoring
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No contact wear or mechanical noise
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High surge immunity and low heat generation
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Stable, long-life semiconductor design
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Easy installation with screw terminals
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Suitable for resistive and inductive loads
Applications
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Industrial heating systems and ovens
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Lighting and lamp control
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HVAC and compressor systems
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Process control and automation panels
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Machinery motor start and control circuits
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Power distribution and switching systems
Ordering Information
| Model | Input Voltage | Output Voltage | Rated Current | Control Type | Indicator |
|---|---|---|---|---|---|
| DSR1-10A-AA | 80–250VAC | 24–480VAC | 10A | Zero-cross | LED |
| DSR1-25A-AA | 80–250VAC | 24–480VAC | 25A | Zero-cross | LED |
| DSR1-40A-AA | 80–250VAC | 24–480VAC | 40A | Zero-cross | LED |
| DSR1-60A-AA | 80–250VAC | 24–480VAC | 60A | Random-on | LED |
| DSR1-80A-AA | 80–250VAC | 24–480VAC | 80A | Random-on | LED |
| DSR1-100A-AA | 80–250VAC | 24–480VAC | 100A | Zero-cross | LED |
Product Summary
The Denki Seigyo DSR1-_A-AA Single Phase Solid State Relay provides contactless, high-speed, and reliable AC load switching using AC control signals.
With zero-cross technology, long operational life, and industrial-grade insulation, it ensures safe, quiet, and maintenance-free operation.
Ideal for heating, lighting, and industrial control systems, the DSR1-_A-AA offers superior performance, compact design, and Denki Seigyo reliability for modern automation needs.
Wiring Diagram
