DRA3P48A2 Crydom - Relays

DRA3P48A2 Description

The DRA3P48A2 from Crydom is a solid state relay with a 480 V / 2.4 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 DRA3P48A2 is used for three-phase switching of industrial heaters and furnaces, plastic processing machines, process heating and motor loads.

Key Specifications

Crydom DRA3P48A2 is a 2.4 A three-phase DIN-rail solid state contactor (DRA3P Series), 48-510 VAC load, control 200-265 VAC, zero voltage turn-on, built-in overvoltage protection, LED input indicator. Source: Crydom DRA3P Series datasheet (Rev 090512). Values at 25°C unless noted.

Parameter	Value
Output (3-phase)
Operating voltage (47-63 Hz)	48-510 Vrms
Maximum resistive load current UL / AC51	2.4 / 2.4 Arms
Maximum motor load current UL / AC53	2.1 / 2.1 Arms
Transient overvoltage	1200 Vpk
Minimum load current	0.15 Arms
Maximum off-state leakage @ rated voltage	1.0 mArms
Minimum off-state dv/dt	500 V/µs
Maximum on-state voltage drop	1.3 Vpk per channel
Maximum surge current (50/60 Hz, 1 cycle)	285/300 Apk
Maximum I²t for fusing (1/2 cycle, 50/60 Hz)	410/375 A²s
Switching type	zero voltage turn-on
Input
Control voltage range	200-265 VAC
Minimum turn-on / turn-off voltage	200 / 100 VAC
Input current	4.5-5.7 mA
Nominal input impedance	46 kOhm
General
Dielectric strength, input/output/base	3750 Vrms
Ambient operating temperature	-20 to 60°C
Weight (typical)	4.75 oz (135 g)

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