DSD2425 Crydom - Relays

DSD2425 Description

Crydom DSD2425 is a solid state relay rated at 240 V and 25 A. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.

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Summary of Features

Target Applications

Crydom DSD2425 is used for time-delayed switching of heaters, motors, lamps and other loads in industrial control, HVAC and process equipment.

Key Specifications

Crydom DSD2425 is a 25 A time-delay solid state relay (DSD Series, 48-280 VAC), zero-crossing output, DC control 3.5-15 VDC, turn-on delay set by an external resistor (0.10 s (0 Ohm) to 8.3 s (1.0 MOhm)). Source: Crydom DSD / DLD Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-280 Vrms
Maximum load current	25 Arms
Minimum load current	0.04 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	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 (8.3 ms)	260 A²s
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Input
Control voltage range	3.5-15 VDC
Turn-on / turn-off voltage	3.5 / 1.0 VDC
Typical input current	3.4 mA @ 5 VDC, 11.4 mA @ 15 VDC
Nominal input impedance	1500 Ohm
Typical turn-on delay (external resistor 0 / 10 k / 100 k / 470 k / 1 M Ohm)	0.10 / 0.19 / 0.94 / 4.0 / 8.3 s
Maximum turn-off time	1/2 cycle
Maximum reset time	100 µs
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-30 to 80°C

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