CMA4825Crydom - Relays

CMA4825 Description

Crydom CMA4825 is a relay rated at 480 V and 25 A. Typical applications for this type of device include switching heaters, motors, lighting and other loads in industrial control systems.

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Summary of Features

Target Applications

Crydom CMA4825 is used for industrial applications.

Key Specifications

Crydom CMA4825 is a 25 A panel-mount solid state relay, CMD/CMA48 Series (48-530 VAC), SCR output, AC control (90-140 Vrms), zero-cross turn-on, LED input indicator, IP20 touch-safe housing with box-clamp terminals. Source: Crydom CMD/CMA48 Series datasheet (Rev. 113011). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-530 Vrms
Maximum load current	25 Arms
Transient overvoltage	1200 Vpk
Minimum load current	0.15 Arms
Maximum 1 cycle surge current (50/60 Hz)	239/250 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Thermal resistance junction to case (Rjc)	1.02 °C/W
Maximum I²t for fusing (1/2 cycle, 50/60 Hz)	285/259 A²s
Switching type	zero-cross turn-on
Input
Control voltage range	90-140 Vrms
Minimum turn-on / turn-off voltage	90 Vrms / 10 Vrms
Typical input current	15 mA @ 120 Vrms
Maximum turn-on / turn-off time	10 ms / 40 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	3.0 oz (86.5 g)

Download CMA4825 Datasheet

CMA4825 PDF Datasheet