H12D4825D Crydom - Relays

H12D4825D Description

Rated at 480 V and 25 A, the Crydom H12D4825D is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the H12D4825D, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom H12D4825D 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 H12D4825D is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 25 A per channel @ 48-530 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on. Source: Crydom DUAL Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output (per channel)
Operating voltage (47-63 Hz)	48-530 Vrms
Maximum load current	25 Arms
Minimum load current	0.15 Arms
Transient overvoltage	1200 Vpk
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Maximum 1 cycle surge current (50/60 Hz)	239/250 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Thermal resistance junction to case (Rjc)	1.02 °C/W
Maximum I²t for fusing (1/2 cycle, 50/60 Hz)	285/259 A²s
Switching type	zero voltage turn-on
Input
Control voltage range	4-15 VDC
Minimum turn-on / turn-off voltage	4.0 VDC / 1.0 VDC
Typical input current	13 mA @ 5 VDC
Nominal input impedance	240 Ohm
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input/output	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	3.0 oz (86.5 g)

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