EL240A20-05 Crydom - Relays

EL240A20-05 Description

EL240A20-05 is a 240 V, 20 A solid state relay made by Crydom. 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 EL240A20-05 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 EL240A20-05 is a 20 A AC output panel-mount solid state relay (EL Series), 24-280 VAC, DC control 4-8 VDC, zero voltage turn-on, LED input indicator, thermal pad included. Source: Crydom EL Series datasheet (FDE-07-01 Rev. A). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage	24-280 Vrms (47-63 Hz)
Maximum load current	20 Arms
Transient overvoltage	600 Vpk
Minimum load current	250 mArms
Maximum surge current	240/250 Apk (50/60 Hz, 1 cycle)
Maximum on-state voltage drop @ rated current	1.3 V
Maximum off-state leakage @ rated voltage	0.1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing	285/260 A²s (50/60 Hz, 1/2 cycle)
Thermal resistance junction to case (Rjc)	1.7 °C/W
Switching type	zero voltage turn-on
Input
Control voltage range	4-8 VDC
Minimum turn-on / must turn-off voltage	4 VDC / 1 VDC
Input current	6-21 mA
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input to output / output to baseplate	3750 Vrms / 2500 Vrms
Ambient operating temperature	-30 to 80°C
Weight (typical)	0.5 oz (14.4 g)

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