Features
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Linear proportional output response to analog voltage input (0–10 V / 1–5 V)
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Available in zero-cross or phase-control configurations
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Optically isolated input for electrical noise immunity
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High switching speed and long electrical life (no mechanical wear)
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Built-in surge suppression and thermal protection
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Low leakage and minimal output voltage drop
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Compact, flame-retardant enclosure with LED status indication
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Compatible with standard DIN-rail or panel mounting
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Maintenance-free solid-state design
Specifications
| Item | Specification |
|---|---|
| Control Input Signal | 0–10 V DC or 1–5 V DC (selectable models) |
| Input Impedance | 100 kΩ typical |
| Control Type | Phase control / Zero-cross |
| Load Voltage Range | 24–480 VAC (RMS) / 24–110 VDC (model dependent) |
| Load Current Ratings | 5 A / 10 A / 25 A / 40 A / 60 A / 80 A |
| Turn-On Time | ≤ 1 ms (phase-control) / ≤ 1 cycle (zero-cross) |
| Turn-Off Time | ≤ ½ cycle (8.3 ms @ 60 Hz) |
| Dielectric Strength | 2.5 kVAC (Input–Output), 1.5 kVAC (Output–Base) |
| Isolation Resistance | ≥ 100 MΩ (at 500 VDC) |
| Leakage Current (Off-State) | ≤ 10 mA (at rated voltage) |
| Voltage Drop (On-State) | ≤ 1.6 V RMS (at rated load current) |
| Operating Temperature | –20 °C to +80 °C (no condensation) |
| Cooling Method | Natural convection / forced-air with heat sink |
| Protection Circuit | Surge absorber, overheat cutoff (optional) |
| Indicator | Power (LED green), Output (LED red) |
| Mounting Type | DIN-rail / Panel mount |
| Housing Material | Flame-retardant PC (UL94 V-0) |
| Weight | Approx. 150 – 250 g (depending on model) |
Model Selection Table
| Model | Input Signal | Load Voltage | Load Current | Control Type | Mounting Type | Cooling Option |
|---|---|---|---|---|---|---|
| DSSR-V05Z | 0–10 V DC | 24–280 VAC | 5 A | Zero-cross | Panel mount | Natural |
| DSSR-V25Z | 0–10 V DC | 24–480 VAC | 25 A | Zero-cross | DIN rail | With heat sink |
| DSSR-V40P | 0–10 V DC | 24–480 VAC | 40 A | Phase control | Panel mount | Forced-air |
| DSSR-V60P | 0–10 V DC | 24–480 VAC | 60 A | Phase control | DIN rail | Forced-air |
| DSSR-V10Z | 1–5 V DC | 24–280 VAC | 10 A | Zero-cross | Panel mount | Natural |
| DSSR-V25P | 1–5 V DC | 24–480 VAC | 25 A | Phase control | DIN rail | With heat sink |
Applications
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Proportional heater and temperature control
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Dimming for industrial and stage lighting systems
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Variable-speed control of AC fans and pumps
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Servo and motion control circuits
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Precision power regulation in packaging and molding machines
Optional Accessories
| Part Number | Description |
|---|---|
| DHS-200C | Heat sink (200 mm, 0.4 °C/W) |
| DSV-010C | 0–10 V signal conditioning converter |
| DBR-24V | 24 V DC control power supply |
| DMH-SRL01 | Mounting rail and bracket kit |
Ordering Example
Model: DSSR-V25Z
Description: Analog voltage solid state relay, 0–10 V DC input, 25 A load, 24–480 VAC output, zero-cross control, DIN-rail mount





