DR-IAC24A Crydom - Relays

DR-IAC24A Description

The DR-IAC24A is a solid state relay made by Crydom. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

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Summary of Features

Target Applications

Crydom DR-IAC24A is used for interfacing field devices (switches, sensors, motor starters, valves, lamps) with PLCs, microprocessor and computer control systems.

Key Specifications

Crydom DR-IAC24A is a DIN-rail single-point AC input module, input 180-280 VAC/DC, open-collector output, 4 kV optical isolation, LED status indicator. Source: Crydom DR Input Modules datasheet. Values at 25°C unless noted.

Parameter	Value
Input
Input voltage range	180-280 VAC/DC
Maximum input current	5 mA
Input resistance	75 kOhm
Drop-out current	1.5 mA
Voltage for no output	50 V
Allowable off-state current	2 mA
Output
Maximum output voltage	30 VDC
Maximum output voltage drop	0.2 VDC
Maximum output current	50 mA
Nominal logic supply voltage	24 VDC
Logic supply voltage range	20-30 VDC
Maximum logic supply current	28 mA
Maximum leakage current	10 µA
Maximum turn-on / turn-off time	20 ms / 30 ms

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