B53TP50C Crydom - Relays

B53TP50C Description

The B53TP50C is a solid state relay made by Crydom. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.

We help engineers and repair technicians find parts like the B53TP50C, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Summary of Features

Target Applications

Crydom B53TP50C is used for three-phase switching of industrial heaters and furnaces, plastic processing machines, process heating and motor loads.

Key Specifications

Crydom B53TP50C 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. 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)

Technical document (PDF)  |  Request a quote for B53TP50C (reply within 24 hours)