HA4850-10 Crydom - Relays
HA4850-10 Description
Rated at 480 V and 50 A, the Crydom HA4850-10 is a solid state relay. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.
USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the HA4850-10 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
Crydom HA4850-10 is a 50 A panel-mount solid state relay, HA/HD48 Series (48-530 VAC), SCR output, AC control (90-280 VAC), instantaneous (random) turn-on.
Target Applications
Crydom HA4850-10 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 HA4850-10 is a 50 A panel-mount solid state relay, HA/HD48 Series (48-530 VAC), SCR output, AC control (90-280 VAC), 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 | 50 Arms |
| Transient overvoltage | 1200 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) | 1770/1629 A²s |
| Thermal resistance junction to case (Rjc) | 0.45 °C/W |
| Switching type | instantaneous (random) turn-on |
| Input | |
| Control voltage range | 90-280 Vrms |
| Minimum turn-on voltage | 90 Vrms |
| Must turn-off voltage | 10 Vrms |
| Input current | 5-10 mA |
| Maximum turn-on / turn-off time | 20 ms / 30 ms |
| 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 HA4850-10 (reply within 24 hours)

