CX241R Crydom - Relays

CX241R Description

The CX241R 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 CX241R is used for PCB-level switching of small AC loads such as solenoids, valves, small heaters, fans and lamps in control boards, appliances, HVAC controls and industrial electronics.

Key Specifications

Crydom CX241R is a 1.5 A SIP PCB-mount solid state relay (CX241 Series), SCR output 12-280 VAC, DC control 4-10 VDC, random-fire turn-on. Source: Crydom CX241 Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	12-280 Vrms
Maximum load current	1.5 Arms
Minimum load current	0.025 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	40 Apk
Maximum on-state voltage drop @ rated current	1.5 Vpk
Maximum off-state leakage @ rated voltage	0.1 mA
Input
Control voltage range	4-10 VDC
Must turn-on / turn-off voltage	4.0 / 1.0 VDC
Typical input current @ 5 VDC	15 mA
Nominal input impedance	300 Ohm
Maximum turn-on / turn-off time	0.1 ms / 1/2 cycle
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-30 to 80°C
Weight (typical)	0.4 oz (11 g)

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