20LPCV2475 Crydom - Relays

20LPCV2475 Description

The 20LPCV2475 is a solid state relay made by Crydom. 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 20LPCV2475 is used for proportional power control of resistive heaters in ovens, furnaces, plastic processing and other process heating applications.

Key Specifications

Crydom 20LPCV2475 is a 75 A linear proportional controller (LPCV Series, 240 VAC), SCR output, 4-20 mA analog control input, for resistive loads only. Source: Crydom LPCV Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (60 Hz)	20-300 Vrms
Maximum load current	75 Arms
Minimum load current	0.15 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	1000 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	200 V/µs
Thermal resistance junction to case (Rjc)	0.31 °C/W
Maximum I²t for fusing (8.3 ms)	4150 A²s
Input
Control range	4-20 mA
Control range limits (min / max)	-0.5 / 25 mA
Turn-on threshold	4.5 mA
Nominal input impedance	460 Ohm
Sync voltage (terminals 6 and 7)	16-24 VAC (from PS120 / PS240 power supply)
General
Dielectric strength, signal to load / signal to base	2500 Vrms
Ambient operating temperature	-30 to 80°C
Weight (typical)	6.0 oz (175 g)

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