DLD2450 Crydom - Relays

DLD2450 Description

The Crydom DLD2450 is a solid state relay, rated for 240 V and 50 A. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the DLD2450, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom DLD2450 is used for time-delayed switching of heaters, motors, lamps and other loads in industrial control, HVAC and process equipment.

Key Specifications

Crydom DLD2450 is a 50 A time-delay solid state relay (DLD Series, 48-280 VAC), zero-crossing output, DC control 3.5-15 VDC, turn-on delay set by an external resistor (1.6 s (0 Ohm) to 133 s (1.0 MOhm)). Source: Crydom DSD / DLD Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-280 Vrms
Maximum load current	50 Arms
Minimum load current	0.04 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	625 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Thermal resistance junction to case (Rjc)	0.63 °C/W
Maximum I²t for fusing (8.3 ms)	1620 A²s
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Input
Control voltage range	3.5-15 VDC
Turn-on / turn-off voltage	3.5 / 1.0 VDC
Typical input current	3.4 mA @ 5 VDC, 11.4 mA @ 15 VDC
Nominal input impedance	1500 Ohm
Typical turn-on delay (external resistor 0 / 10 k / 100 k / 470 k / 1 M Ohm)	1.6 / 3.1 / 15 / 64 / 133 s
Maximum turn-off time	1/2 cycle
Maximum reset time	100 µs
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-30 to 80°C

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