Siemens 3G-OTH-40155 — Technical Specifications
The SIEMENS Overload Relay: Thermal Protection (MPN 3RU21160KB0) is an IEC thermal overload relay with a Frame Size S00, designed for use with SIRIUS contactors of the same frame size. It features integrated bimetallic elements, screw terminals, and a 1NO/1NC auxiliary contact form, with a maximum voltage rating of 690V AC. This relay does not include phase loss sensitivity and requires no separate thermal units.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | 1NO/1NC, Frame Size S00, 0.9 A – 1.25 A |
| Brand | SIEMENS |
| Poles | 3 |
| Frame Size | S00 |
| Compatible Contactors | Frame Size S00 |
| 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 | 3RU21160KB0 |
| Terminal Connection Type | Screw Terminals |
| Compatible Contactor Series | SIRIUS |