D2440D-10 Crydom - Relays
Also written as: D2440D10
D2440D-10 Description
Crydom D2440D-10 is a solid state relay rated at 240 V and 40 A. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.
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Summary of Features
Crydom D2440D-10 is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 40 A per channel @ 24-280 VAC, SCR output, DC control 4-15 VDC, random turn-on.
Target Applications
Crydom D2440D-10 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 D2440D-10 is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 40 A per channel @ 24-280 VAC, SCR output, DC control 4-15 VDC, random 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 | 40 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) | 597/625 Apk |
| Maximum on-state voltage drop @ rated current | 1.6 Vpk |
| Thermal resistance junction to case (Rjc) | 0.63 °C/W |
| Maximum I²t for fusing (1/2 cycle, 50/60 Hz) | 1779/1621 A²s |
| Switching type | random 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 D2440D-10 (reply within 24 hours)

