This document introduces the functions, uses, product structure description, and main performance parameters of ZYG-D4880 solid state relay. This solid state relay features a maximum load capacity of 80A, internal optoelectronic isolation, bidirectional controllable silicon output, and zero-crossing conduction switch. It is suitable for electric furnace heating and constant temperature equipment, remote control systems, industrial automation control devices, signal lights, stage lighting control equipment, instruments and meters, medical equipment, and more.
The ZYG-D4880 solid state relay from Zhuoyi Electronics is a bidirectional, optically isolated device capable of handling up to 80 A load current. It features a transparent safety cover, LED status indicator, and can be mounted with screw fixation.
The manual covers functional applications, detailed wiring diagrams, mechanical dimensions, performance parameters, usage precautions, and heat‑sink selection to ensure reliable operation in harsh environments such as industrial automation, heating equipment, and lighting control. This manual is written in Chinese.
| Input voltage | 3‑32 VDC |
|---|---|
| Turn‑off voltage | ≥1 V |
| Control current | ≥25 mA |
| Load voltage range | 24‑480 VAC |
| Output voltage drop | <1.8 V |
| Static on‑off rate | 100 V/µs |
| Rated load current | 80 A |
| Surge current (10 ms) | 700 % of rated |
| Leakage current | 10 mA |
| Turn‑on/off time | 11 ms |
| Insulation resistance | ≥1000 MΩ |
| Dielectric strength | 2500 VAC (50 Hz, min) |
| Operating temperature range | -20 °C to 80 °C |
| Storage temperature range | -30 °C to 90 °C |
| Status indicator | LED |
The polarity of the connections must be observed to avoid permanent damage to the product.