D2440Crydom - Relays
D2440 Description
The Crydom D2440 is a relay rated at 240 V and 40 A. Typical applications for this type of device include switching heaters, motors, lighting and other loads in industrial control systems.
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Summary of Features
Target Applications
Crydom D2440 is used for industrial applications.
Key Specifications
Crydom D2440 is a 40 A Series 1 panel-mount solid state relay (older generation), SCR output, 240 VAC line, DC control, zero voltage turn-on, Form A (normally open). Source: Crydom Series 1 bulletin 801B. Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output | |
| Operating voltage | 48-280 Vrms, 47-63 Hz |
| Maximum load current | 40 Arms |
| Minimum load current | 40 mArms |
| Transient overvoltage | 600 Vpk |
| Maximum surge current (16.6 ms, non-repetitive) | 625 Apk |
| Maximum over current (1 s, non-repetitive) | 80 Arms |
| Maximum on-state voltage drop @ rated current | 1.6 Vpk |
| Maximum I²t for fusing (8.3 ms) | 1620 A²s |
| Thermal resistance junction to case (Rjc) | 0.63 °C/W |
| Power dissipation @ maximum current | 46 W |
| Maximum zero voltage turn-on | 30 Vpk |
| Maximum off-state leakage @ rated voltage | 10 mArms |
| Minimum off-state dv/dt | 500 V/µs |
| Input | |
| Control voltage range | 3-32 VDC |
| Maximum turn-on / must turn-off voltage | 3.0 VDC / 1.0 VDC |
| Input impedance | 1500 Ohm |
| Input current | 3.4 mA @ 5 VDC, 20 mA @ 28 VDC |
| Maximum turn-on / turn-off time | 8.3 ms / 8.3 ms |
| General | |
| Dielectric strength, input/output/base | 4000 Vrms |
| Ambient operating temperature | -30 to 80°C |
| Weight | 4 oz max |

