HD4840 Crydom - Relays
HD4840 Description
HD4840 is a 480 V, 40 A solid state relay made by Crydom. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.
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Summary of Features
Crydom HD4840 is a 40 A Series 1 panel-mount solid state relay (older generation, HD = 1200 Vpk blocking), SCR output, 80-530 VAC, DC control 3-32 VDC.
Target Applications
Crydom HD4840 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
| Manufacturer | Crydom |
| Category | Relays |
| Rated voltage | 480 V |
| Rated current | 40 A |
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