CWD2490-10 Crydom - Relays

CWD2490-10 Description

The CWD2490-10 is a solid state relay made by Crydom. 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 CWD2490-10 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 CWD2490-10 is a 90 A panel-mount solid state relay, CW24 Series (24-280 VAC), SCR output, DC control, instantaneous (random) turn-on, with LED status indicator and IP20 touch-safe cover. Source: Crydom CW24 Series datasheet (FDE-07-01 Rev. A). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-440 Hz)	24-280 Vrms
Maximum load current	90 Arms
Transient overvoltage	600 Vpk
Minimum load current	250 mArms
Maximum 1-cycle surge current (50/60 Hz)	1290/1350 Apk
Maximum on-state voltage drop @ rated current	1.3 Vpk
Maximum off-state leakage @ rated voltage	1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing, 1/2 cycle (50/60 Hz)	8320/7560 A²s
Thermal resistance junction to case (Rjc)	0.16 °C/W
Motor rating (UL 508 / IEC 60947)	3 HP @ 120 VAC, 7.5 HP @ 240 VAC
Switching type	instantaneous (random) turn-on
Input
Control voltage range	3-32 VDC
Minimum turn-on voltage	3 VDC
Must turn-off voltage	1 VDC
Input current	10-15 mA
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
LED input status indicator	Green
Weight (typical)	2.88 oz (81.53 g)

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