CWA2450E Crydom - Relays

CWA2450E Description

The CWA2450E from Crydom is a solid state relay. 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 CWA2450E 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 CWA2450E is a 50 A panel-mount solid state relay, CW24 Series (24-280 VAC), SCR output, AC control (18-36 VAC), zero voltage turn-on, with LED status indicator and IP20 touch-safe cover. Source: Crydom CW24 Series datasheet (FDE-07-01 Rev. A). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-440 Hz)	24-280 Vrms
Maximum load current	50 Arms
Transient overvoltage	600 Vpk
Minimum load current	150 mArms
Maximum 1-cycle surge current (50/60 Hz)	810/850 Apk
Maximum on-state voltage drop @ rated current	1.3 Vpk
Maximum off-state leakage @ rated voltage	1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing, 1/2 cycle (50/60 Hz)	3280/3000 A²s
Thermal resistance junction to case (Rjc)	0.2 °C/W
Motor rating (UL 508 / IEC 60947)	1 HP @ 120 VAC, 3 HP @ 240 VAC
Switching type	zero voltage turn-on
Input
Control voltage range	18-36 VAC
Minimum turn-on voltage	18 VAC
Must turn-off voltage	4 VAC
Input current	13-15 mA
Maximum turn-on / turn-off time	20 ms / 30 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
LED input status indicator	Green
Weight (typical)	2.88 oz (81.53 g)

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