H10WD4890 Crydom - Relays

H10WD4890 Description

Crydom H10WD4890 is a solid state relay. 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 H10WD4890 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 H10WD4890 is a 90 A Series 1-HV panel-mount solid state relay (IC driven, without snubber, 1000 V blocking), SCR output, 48-660 VAC, DC control 4-32 VDC, zero voltage turn-on. Source: Crydom Series 1 High Voltage bulletin 802 (IC driven models). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-660 Vrms
Maximum load current	90 Arms
Minimum load current	40 mA
Transient overvoltage	1000 Vpk
Maximum surge current (16.6 ms, non-repetitive)	1200 Apk
Maximum over current (1 s, non-repetitive)	180 Arms
Maximum on-state voltage drop @ rated current	1.6 Vpk
Maximum I²t for fusing (8.3 ms)	4150 A²s
Thermal resistance junction to case (Rjc)	0.31 °C/W
Power dissipation @ maximum current	118 W
Maximum zero voltage turn-on	10 Vpk
Maximum off-state leakage @ rated voltage	1 mA
Minimum off-state dv/dt	500 V/µs
Input
Control voltage range	4-32 VDC
Maximum turn-on / minimum turn-off voltage	4 / 1 VDC
Maximum input current	15 mA @ 5 VDC
Minimum input impedance	1000 Ohm @ 32 VDC
Maximum turn-on / turn-off time (60 Hz)	8.3 ms / 8.3 ms
General
Dielectric strength	4000 Vrms
Ambient operating temperature	-30 to 80°C
Weight	5 oz max

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