CD4850D1U Crydom - AC-DC Power Systems
CD4850D1U Description
CD4850D1U is a 480 V, 50 A power supply made by Crydom. 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 CD4850D1U 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 CD4850D1U is a dual-channel panel-mount solid state relay (Evolution Dual Series), 50 A per channel, 48-600 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on, 4-pin standard connector, output terminals A channel top, B channel bottom, IP00.
Target Applications
Crydom CD4850D1U 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 CD4850D1U is a dual-channel panel-mount solid state relay (Evolution Dual Series), 50 A per channel, 48-600 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on, 4-pin standard connector, output terminals A channel top, B channel bottom, IP00. Source: Crydom Evolution Dual Series datasheet. Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output (per channel) | |
| Operating voltage (47-440 Hz) | 48-600 Vrms |
| Load current range | 0.15-50 Arms |
| Transient overvoltage | 1200 Vpk |
| Maximum off-state leakage @ rated voltage | 1.0 mArms |
| Minimum off-state dv/dt | 500 V/µs |
| Maximum 1 cycle surge current (50/60 Hz) | 710/750 Apk |
| Maximum on-state voltage drop @ rated current | 1.3 Vpk |
| Thermal resistance junction to case (Rjc) | 0.33 °C/W |
| Maximum I²t for fusing (1/2 cycle, 50/60 Hz) | 2520/2320 A²s |
| Switching type | zero voltage turn-on |
| Input | |
| Control voltage range | 4-15 VDC |
| Minimum turn-on / turn-off voltage | 4 / 1.0 VDC |
| Typical input current | 16 mA @ 5 VDC |
| Maximum turn-on / turn-off time | 1/2 cycle / 1/2 cycle |
| General | |
| Dielectric strength, input/output | 4000 Vrms |
| Dielectric strength, input/output/base | 2500 Vrms |
| Ambient operating temperature | -40 to 80°C |
Technical document (PDF) | Request a quote for CD4850D1U (reply within 24 hours)

