DR24B12 Crydom - Relays

DR24B12 Description

The DR24B12 from Crydom is a solid state relay with a 240 V / 12 A rating. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.

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Summary of Features

Target Applications

Crydom DR24B12 is used for control cabinet and PLC output interfacing, switching heaters, solenoids, valves, contactors and indicator loads in industrial automation and building control.

Key Specifications

Crydom DR24B12 is a 12 A AC output DIN-rail solid state relay (SeriesOne DR), 24-280 VAC load, control 90-140 Vrms, zero voltage turn-on, LED input indicator. Source: Crydom SeriesOne DR Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output (AC)
Operating voltage (47-63 Hz)	24-280 Vrms
Maximum load current (resistive)	12 Arms
Transient overvoltage	600 Vpk
Minimum load current	150 mArms
Maximum off-state leakage @ rated voltage	0.1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum on-state voltage drop @ rated current	1.3 Vrms
Maximum surge current (50/60 Hz, 1 cycle)	715/750 Apk
Maximum I²t for fusing (1/2 cycle, 50/60 Hz)	2560/2330 A²s
Switching type	zero voltage turn-on
Input
Control voltage range	90-140 Vrms
Minimum turn-on / must turn-off voltage	90 / 10 Vrms
Input current	3-5 mA
Maximum turn-on / turn-off time	20 ms / 30 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-30 to 80°C
Mounting	35 mm DIN rail
Weight (typical)	3.17 oz (90 g)

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