D2440DE Crydom - Relays

D2440DE Description

Crydom makes the D2440DE, a 240 V, 40 A solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the D2440DE, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom D2440DE 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 D2440DE 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 15-32 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	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	zero voltage turn-on
Input
Control voltage range	15-32 VDC
Minimum turn-on / turn-off voltage	15.0 VDC / 1.0 VDC
Typical input current	15 mA @ 24 VDC
Nominal input impedance	1500 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)

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