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

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)

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