D2425D Crydom - Relays
D2425D Description
Crydom makes the D2425D, a 240 V, 25 A solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.
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Summary of Features
Crydom D2425D is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 25 A per channel @ 24-280 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on.
Target Applications
Crydom D2425D is used for switching AC loads in industrial heating and temperature control (ovens, furnaces, plastic molding and extrusion machines), packaging and food processing equipment, lighting control, HVAC systems and industrial automation.
Key Specifications
Crydom D2425D is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 25 A per channel @ 24-280 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on. Source: Crydom DUAL Series datasheet. Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output (per channel) | |
| Operating voltage (47-63 Hz) | 24-280 Vrms |
| Maximum load current | 25 Arms |
| Minimum load current | 0.15 Arms |
| Transient overvoltage | 600 Vpk |
| Maximum off-state leakage @ rated voltage | 10 mArms |
| Minimum off-state dv/dt | 500 V/µs |
| Maximum 1 cycle surge current (50/60 Hz) | 239/250 Apk |
| Maximum on-state voltage drop @ rated current | 1.6 Vpk |
| Thermal resistance junction to case (Rjc) | 1.02 °C/W |
| Maximum I²t for fusing (1/2 cycle, 50/60 Hz) | 285/259 A²s |
| Switching type | zero voltage turn-on |
| Input | |
| Control voltage range | 4-15 VDC |
| Minimum turn-on / turn-off voltage | 4.0 VDC / 1.0 VDC |
| Typical input current | 13 mA @ 5 VDC |
| Nominal input impedance | 300 Ohm |
| Maximum turn-on / turn-off time | 1/2 cycle / 1/2 cycle |
| General | |
| Dielectric strength, input/output | 4000 Vrms |
| Ambient operating temperature | -40 to 80°C |
| Weight (typical) | 3.0 oz (86.5 g) |
Technical document (PDF) | Request a quote for D2425D (reply within 24 hours)

