SSR-25 DA 25A Solid State Relay FOTEK
High-capacity SSR-25 DA single-phase Solid State Relay (SSR) designed for heavy-duty contactless AC load switching in industrial automation, temperature controllers, electric heating systems, and motor control panels. Controlled by a 3–32V DC logic input, it safely switches AC loads from 24V to 380V AC up to 25 Amps continuous current. Featuring optical isolation between control and load circuits, zero-cross switching to eliminate surge currents and electrical interference, and a fully solid-state construction, it provides spark-free, silent operation and exceptional long-term reliability.
Parameter | Specification |
|---|---|
Product Type | Single-Phase Solid State Relay (SSR) |
Model | SSR-25 DA |
Control Voltage (Input) | 3V to 32V DC |
Control Current | 3 mA to 25 mA DC |
Load Voltage (Output) | 24V to 380V AC |
Rated Load Current | 25 Amps |
Switching Type | Zero-Cross Detection / Switching |
On-State Voltage Drop | ≤ 1.5V AC |
Off-State Leakage Current | ≤ 3 mA |
Turn-On / Turn-Off Time | ≤ 10 ms |
Dielectric Strength | ≥ 2500V AC (Input to Output / Base) |
Insulation Resistance | 500 MΩ at 500V DC |
Operating Temperature | -20°C to +80°C |
Cooling Requirement | Heat Sink required for continuous loads above 10A |
Indication | Red LED Input Status Indicator |
Mounting Type | Panel / Heat Sink Mount |
Compliance Standards | CE, RoHS Compliant |
Ssaoco Dammam
- Started from: Jul 10, 2025
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