EZ240A18S Crydom - Relays

EZ240A18S Description

Crydom EZ240A18S is a solid state relay rated at 240 V and 18 A. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

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Summary of Features

Target Applications

Crydom EZ240A18S 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 EZ240A18S is a compact 18 A panel-mount solid state relay, EZ Series (24-280 VAC), SCR output, AC control (90-140 Vrms), zero voltage turn-on, 1/4 in. fast-on terminals, with internal snubber. Source: Crydom EZ Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	24-280 Vrms
Maximum load current	18 Arms
Transient overvoltage	600 Vpk
Maximum 1-cycle surge current (50/60 Hz)	191/200 Apk
Maximum on-state voltage drop @ rated current	1.5 Vpk
Maximum off-state leakage @ rated voltage	10.0 mArms (snubber version)
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing, 1/2 cycle (50/60 Hz)	182/166 A²s
Thermal resistance junction to case (Rjc)	1.1 °C/W
Switching type	zero voltage turn-on
Input
Control voltage range	90-140 Vrms
Minimum turn-on voltage	90.0 Vrms
Minimum turn-off voltage	10.0 Vrms
Nominal voltage / typical input current	120 Vrms / 10 mA
Nominal input impedance	10.6 kOhm
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input/output/base	2500 Vrms
Ambient operating temperature	-40 to 80°C
Terminals	0.25 in. Faston
Weight (typical)	1.5 oz (43 g)

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