Instruction manual of three phase overload relay 3UA60, 3UA61, 3UA62, including installation, suitable contactor, allowable installation position, wiring, debugging, tripping characteristic curve, technical parameters and other contents.
The document describes the 3UA60/3UA61/3UA62 overload relays designed for phase‑failure protection of three‑phase motors. It includes safety warnings, mounting dimensions, wiring guidelines, and commissioning steps.
Key features include compliance with GB14048.4, DIN VDE0660, IEC 60947‑4‑1, IP00 protection, adjustable current settings, and temperature correction tables. The relays can be mounted individually with kit 3UX1424 or combined with contactors such as 3TB50, 3TF50, 3TB52, and 3TF52. This manual is written in Chinese.
| Rated insulation voltage (main circuit) | 1000V |
|---|---|
| Permissible ambient temperature | -25 °C to +55 °C |
| Degree of protection | IP00 |
| Short‑circuit protection | NH, NEOZED or DIAZED fuses 6A gG or 10A |
Press the blue reset button to bring the relay back to the ready state.
Press and turn the button counter‑clockwise from H (manual) to A (automatic).
The relay can operate in temperatures from –25 °C up to +55 °C.
They can be mounted individually with assembly kit 3UX1424 or combined with contactors such as 3TB50, 3TF50, 3TB52, and 3TF52.