G9EC-1 DC power relay is a small (98 × 44 × 86.7 mm (L × W × H)) relay that can switch 400 V 200 A of DC load (1,000 A can be cut off at 400 VDC).
This manual describes the Omron G9EC-1 DC power relay, a compact 200 A relay capable of switching up to 400 VDC. It details the sealed, airtight design, terminal options, and compliance with UL/CSA standards.
The document includes performance data, mechanical and electrical life ratings, wiring diagrams, terminal configurations, and installation guidelines, helping users safely integrate the relay into industrial applications. This manual is written in Chinese.
| Rated contact current | 200 A |
|---|---|
| Rated voltage | 400 V DC |
| Contact resistance | ≤30 mΩ (typical ≤0.2 mΩ) |
| Contact voltage drop | ≤0.1 V at 200 A |
| Mechanical life | ≥200,000 cycles |
The relay is rated for a maximum contact current of 200 A.
The contacts can handle up to 400 V DC.
The mechanical life is specified as more than 200,000 operations.
The relay operates between –40 °C and +50 °C.