A2402 Crydom - Relays

A2402 Description

The A2402 from Crydom is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the A2402, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Crydom A2402 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 A2402 is a 2.5 A Series 1 panel-mount solid state relay (older generation), SCR output, 240 VAC line, AC control, zero voltage turn-on, Form A (normally open). Source: Crydom Series 1 bulletin 801B. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage	48-280 Vrms, 47-63 Hz
Maximum load current	2.5 Arms
Minimum load current	40 mArms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms, non-repetitive)	22.5 Apk
Maximum over current (1 s, non-repetitive)	5 Arms
Maximum on-state voltage drop @ rated current	3.5 Vpk
Maximum I²t for fusing (8.3 ms)	2.1 A²s
Thermal resistance junction to case (Rjc)	8.5 °C/W
Power dissipation @ maximum current	6.3 W
Maximum zero voltage turn-on	30 Vpk
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Input
Control voltage range	90-280 Vrms (60 Hz)
Maximum turn-on / must turn-off voltage	90 Vrms / 10 Vrms
Input impedance	60 kOhm
Input current	2 mA @ 120 VAC, 4 mA @ 240 VAC
Maximum turn-on / turn-off time	10 ms / 40 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-30 to 80°C
Weight	4 oz max

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