H10CA4850 Crydom - Relays

H10CA4850 Description

The H10CA4850 is a solid state relay made by Crydom. 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 H10CA4850 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 H10CA4850 is a 50 A Series 1-HV panel-mount solid state relay (IC driven, without snubber, 1000 V blocking), SCR output, 48-660 VAC, AC control 90-140 Vrms, 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	50 Arms
Minimum load current	40 mA
Transient overvoltage	1000 Vpk
Maximum surge current (16.6 ms, non-repetitive)	625 Apk
Maximum over current (1 s, non-repetitive)	80 Arms
Maximum on-state voltage drop @ rated current	1.6 Vpk
Maximum I²t for fusing (8.3 ms)	1620 A²s
Thermal resistance junction to case (Rjc)	0.63 °C/W
Power dissipation @ maximum current	55 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	90-140 Vrms
Maximum turn-on / minimum turn-off voltage	90 / 10 Vrms
Maximum input current	15 mA @ 140 VAC
Minimum input impedance	10 kOhm
Maximum turn-on / turn-off time (60 Hz)	25 ms / 50 ms
General
Dielectric strength	4000 Vrms
Ambient operating temperature	-30 to 80°C
Weight	4 oz max

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