D4850-10 Crydom - Relays
D4850-10 Description
Crydom makes the D4850-10, a 480 V, 50 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 D4850-10, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.
Summary of Features
Crydom D4850-10 is a 50 A panel-mount solid state relay, Series 1 480 VAC (48-530 VAC), SCR output, DC control, instantaneous (random) turn-on.
Target Applications
Crydom D4850-10 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 D4850-10 is a 50 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 | 50 Arms |
| Transient overvoltage | 800 Vpk |
| Minimum load current | 150 mArms |
| Maximum 1-cycle surge current (50/60 Hz) | 597/625 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) | 1770/1621 A²s |
| Thermal resistance junction to case (Rjc) | 0.45 °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 D4850-10 (reply within 24 hours)

