A2475E Crydom - Relays
A2475E Description
Crydom A2475E is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.
USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the A2475E 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 A2475E is a 75 A panel-mount solid state relay, Series 1 (24-280 VAC), SCR output, AC control (18-36 VAC), zero voltage turn-on.
Target Applications
Crydom A2475E 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 A2475E is a 75 A panel-mount solid state relay, Series 1 (24-280 VAC), SCR output, AC control (18-36 VAC), zero voltage turn-on. Source: Crydom Series 1 datasheet (FDE-07-01 Rev. A). Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output | |
| Operating voltage (47-440 Hz) | 24-280 Vrms |
| Maximum load current | 75 Arms |
| Transient overvoltage | 600 Vpk |
| Minimum load current | 150 mArms |
| Maximum 1-cycle surge current (50/60 Hz) | 954/1000 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) | 4555/4150 A²s |
| Thermal resistance junction to case (Rjc) | 0.3 °C/W |
| Switching type | zero voltage turn-on |
| Input | |
| Control voltage range | 18-36 Vrms |
| Minimum turn-on voltage | 18 Vrms |
| Must turn-off voltage | 4 Vrms |
| Input current | 16-20 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 A2475E (reply within 24 hours)

