CX240A5 Crydom - Relays

CX240A5 Description

Crydom CX240A5 is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the CX240A5, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom CX240A5 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 CX240A5 is a 5 A SIP (single in-line) PCB-mount solid state relay, CX Series (12-280 VAC), SCR output, AC control (90-140 VAC), zero voltage turn-on. Source: Crydom CX Series datasheet (FDE-07-01 Rev. A). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage	12-280 Vrms (47-63 Hz)
Maximum load current	5 Arms
Transient overvoltage	600 Vpk
Minimum load current	0.06 Arms
Maximum surge current	250 Apk (16.6 ms)
Maximum on-state voltage drop @ rated current	1.4 Vpk
Maximum off-state leakage @ rated voltage	0.1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing	260 A²s (8.3 ms)
Motor rating (UL 508 / IEC 60947)	0.25 HP @ 240 VAC
Switching type	zero voltage turn-on
Input
Control voltage range	90-140 VAC
Minimum turn-on voltage	90.0 Vrms
Drop-out voltage	10.0 Vrms
Nominal voltage / typical input current	120 VAC / 10 mArms
Nominal input impedance	14.1 kOhm
Maximum turn-on / turn-off time	10 ms / 40 ms
General
Dielectric strength, input/output	4000 Vrms
Ambient operating temperature	-10 to 80°C
Weight (typical)	0.4 oz (11 g)

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