HD4812-10 Crydom - Relays

HD4812-10 Description

The HD4812-10 from Crydom is a solid state relay with a 480 V / 12 A rating. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.

Request a quote for the HD4812-10 and our team will get back to you with price, quantity available and lead time. We ship worldwide. As with any power device, please check the manufacturer's datasheet to confirm it matches your design.

Summary of Features

Target Applications

Crydom HD4812-10 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 HD4812-10 is a 12 A panel-mount solid state relay, HA/HD48 Series (48-530 VAC), SCR output, DC control, instantaneous (random) turn-on. Source: Crydom HA/HD48 Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-440 Hz)	48-530 Vrms
Maximum load current	12 Arms
Transient overvoltage	1200 Vpk
Minimum load current	150 mArms
Maximum 1-cycle surge current (50/60 Hz)	134/140 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)	66/60 A²s
Thermal resistance junction to case (Rjc)	1.03 °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)

Technical document (PDF)  |  Request a quote for HD4812-10 (reply within 24 hours)