CWA2425E Crydom - Relays
CWA2425E Description
Crydom CWA2425E is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.
USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the CWA2425E, and please confirm ratings against the datasheet before ordering.
Summary of Features
Crydom CWA2425E is a 25 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.
Target Applications
Crydom CWA2425E 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 CWA2425E is a 25 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 | 25 Arms |
| Transient overvoltage | 600 Vpk |
| Minimum load current | 150 mArms |
| Maximum 1-cycle surge current (50/60 Hz) | 570/600 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) | 1620/1500 A²s |
| Thermal resistance junction to case (Rjc) | 0.3 °C/W |
| Motor rating (UL 508 / IEC 60947) | 0.75 HP @ 120 VAC, 2 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) |
Technical document (PDF) | Request a quote for CWA2425E (reply within 24 hours)

