20LPCV2440 Crydom - Relays

20LPCV2440 Description

Crydom 20LPCV2440 is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

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Summary of Features

Target Applications

Crydom 20LPCV2440 is used for proportional power control of resistive heaters in ovens, furnaces, plastic processing and other process heating applications.

Key Specifications

Crydom 20LPCV2440 is a 40 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	40 Arms
Minimum load current	0.10 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	625 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)	0.63 °C/W
Maximum I²t for fusing (8.3 ms)	1620 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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