SSR-25DD Solid State Relay – 25A DC to DC SSR Module for PID Temperature Control
SSR-25DD Solid State Relay – 25A DC to DC SSR Module for PID Temperature Control
The SSR-25DD Solid State Relay is a high-performance DC-DC relay module designed for fast, silent, and reliable switching in automation systems. Rated for 25A at up to 100VDC, it accepts a DC control signal (3–32VDC) and switches a DC load (5–100VDC). This relay is ideal for PID temperature controllers, heating elements, motors, and other DC-powered devices where mechanical relay noise and wear are not acceptable.
⚙️ Key Features:
- ⚡ 25A Output Current Capacity – Handles high-power DC loads up to 100V
- 🧲 DC to DC Switching – Optoisolated input for electrical separation and stable performance
- 🔇 Silent Operation – No moving parts, ideal for noise-sensitive applications
- 🔧 Quick Response Time – Fast switching suited for precision temperature control
- 🛡️ Durable Aluminum Heat Sink Base – For efficient heat dissipation under heavy loads
📦 Specifications:
- Model: SSR-25DD
- Input Control Voltage: 3–32VDC
- Output Load Voltage: 5–100VDC
- Output Current: 25A max
- Control Type: DC to DC
- Mounting: Panel mount with screw terminals
- Indicator: Built-in LED for control signal indication
- Insulation Resistance: ≥100MΩ (500VDC)
💡 Applications:
- PID temperature controllers
- Heating systems and thermoelectric coolers
- DC motor control
- Battery-operated DC load switching
- Industrial automation and robotics
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