D4875-10 Crydom - Relays

D4875-10 Description

Rated at 480 V and 75 A, the Crydom D4875-10 is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the D4875-10 and we will reply with price, condition and lead time. Please check the manufacturer's datasheet to confirm ratings, package and pin-out before you order.

Summary of Features

Target Applications

Crydom D4875-10 is used for switching AC loads in industrial heating and temperature control (ovens, furnaces, plastic molding and extrusion machines), packaging and food processing equipment, lighting control, HVAC systems and industrial automation.

Key Specifications

Crydom D4875-10 is a 75 A panel-mount solid state relay, Series 1 480 VAC (48-530 VAC), SCR output, DC control, instantaneous (random) turn-on. Source: Crydom Series 1 480 VAC datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-440 Hz)	48-530 Vrms
Maximum load current	75 Arms
Transient overvoltage	800 Vpk
Minimum load current	150 mArms
Maximum 1-cycle surge current (50/60 Hz)	954/1000 Apk
Maximum on-state voltage drop @ rated current	1.15 Vrms
Maximum off-state leakage @ rated voltage	1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing, 1/2 cycle (50/60 Hz)	4555/4150 A²s
Thermal resistance junction to case (Rjc)	0.3 °C/W
Switching type	instantaneous (random) turn-on
Input
Control voltage range	4-32 VDC
Minimum turn-on voltage	4.0 VDC
Must turn-off voltage	1.0 VDC
Input current	7-12 mA
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	2.6 oz (74.9 g)

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