Siemens 3G-OTH-39771 — Technical Specifications
The SIEMENS Overload Relay is an IEC thermal overload relay from the SIRIUS series, designed for frame size S0 contactors. It features integrated bimetallic elements, a 1NO/1NC auxiliary contact form, and screw terminals, with a maximum voltage rating of 690V AC. This 3-pole relay covers a current range of 4.5 A to 6.3 A and does not include phase loss sensitivity.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | 1NO/1NC, Frame Size S0, 4.5 A – 6.3 A |
| Brand | SIEMENS |
| Poles | 3 |
| Frame Size | S0 |
| Compatible Contactors | Frame Size S0 |
| Auxiliary Contact Form | 1NO/1NC |
| Maximum Voltage Rating | 690V AC |
| Phase Loss Sensitivity | No |
| Thermal Units Required | None (Relay Includes Integrated Bimetallic Elements) |
| Manufacturer Part Number | 3RU21261GB0 |
| Terminal Connection Type | Screw Terminals |
| Compatible Contactor Series | SIRIUS |