B53TP50CH Crydom - Relays

B53TP50CH Description

Crydom makes the B53TP50CH, 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 B53TP50CH is used for three-phase switching of industrial heaters and furnaces, plastic processing machines, process heating and motor loads.

Key Specifications

Crydom B53TP50CH is a three-phase panel-mount solid state relay (53TP Series, IP20 cover), 50 A per phase @ 48-530 VAC, SCR output, control 90-140 VAC, zero voltage turn-on, LED input indicator, built-in transient protection, with thermal pad. Source: Crydom 53TP Series IP20 datasheet (Rev. 041310). Values at 25°C unless noted.

Parameter	Value
Output (per phase)
Operating voltage (47-63 Hz)	48-530 Vrms
Maximum load current per phase	50 Arms
Transient overvoltage	1200 Vpk
Minimum load current per phase	0.1 Arms
Maximum surge current (16.6 ms, 50-60 Hz)	710-750 Apk
Maximum 1 second surge current (50/60 Hz)	150 Apk
Maximum on-state voltage drop @ rated current	1.35 Vpk
Maximum off-state leakage @ rated voltage	3 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing (8.3 ms, 50-60 Hz)	2520-2320 A²s
Switching type	zero voltage turn-on
Input
Control voltage range	90-140 VAC
Minimum turn-on / turn-off voltage	90 / 10 VAC
Input current (min-max)	7.0-16 mA
Maximum turn-on / turn-off time	20 ms / 30 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	12.7 oz (360 g)

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