CXE240A5 Crydom - Relays

CXE240A5 Description

The CXE240A5 from Crydom is a solid state relay. 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 CXE240A5 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 CXE240A5 is a 5 A SIP (single in-line) PCB-mount solid state relay, CX Series (12-280 VAC), SCR output, AC control (18-36 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	18-36 VAC
Minimum turn-on voltage	18.0 Vrms
Drop-out voltage	2.0 Vrms
Nominal voltage / typical input current	24 VAC / 10 mArms
Nominal input impedance	2.1 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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