A53TP50D Crydom - Relays

A53TP50D Description

Crydom A53TP50D is a solid state relay. 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 A53TP50D is used for three-phase switching of industrial heaters and furnaces, plastic processing machines, process heating and motor loads.

Key Specifications

Crydom A53TP50D is a three-phase panel-mount solid state relay (53TP Series, IP00), 50 A per phase @ 48-530 VAC, SCR output, AC control 90-280 VAC, zero voltage turn-on, LED input indicator. Source: Crydom 53TP Series IP00 datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage	48-530 Vrms (47-63 Hz)
Maximum load current	50 Arms per phase
Transient overvoltage	1200 Vpk
Minimum load current	0.05 Arms
Maximum surge current	597/625 Apk (16.6 ms, 50/60 Hz)
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
Maximum I²t for fusing	1779/1620 A²s (8.3 ms, 50/60 Hz)
Thermal resistance junction to case (Rjc)	0.63 °C/W
Switching type	zero voltage turn-on
Input
Control voltage range	90-280 Vrms
Minimum turn-on / turn-off voltage	90 Vrms / 10 Vrms
Input current	2.2 mA @ 120 V to 10 mA @ 240 V
Maximum turn-on / turn-off time	50 ms / 50 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	10.3 oz (315 g)

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