CTA2425 Crydom - Solid State Relay

CTA2425 Description

Crydom makes the CTA2425, a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the CTA2425, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom CTA2425 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 CTA2425 is a 25 A panel-mount solid state relay with TRIAC output (Series CT, 24-280 VAC), zero voltage switching, internal snubber, AC control 90-140 Vrms. Source: Crydom Series CT datasheet (1995, scanned). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	24-280 Vrms
Load current range	0.25-25 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	250 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Thermal resistance junction to case (Rjc)	1.1 °C/W
Maximum I²t for fusing (8.3 ms)	260 A²s
Maximum off-state leakage @ rated voltage	10 mA
Minimum off-state dv/dt	200 V/µs
Input
Control voltage range	90-140 Vrms
Turn-on / turn-off voltage	90 / 10 Vrms
Typical input current	8 mA @ 120 Vrms
Maximum turn-on / turn-off time	10 ms / 40 ms
General
Dielectric strength, input/output	4000 Vrms

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