Siemens 3G-OTH-41999 — Technical Specifications
The SIEMENS Overload Relay: Thermal Protection is an IEC thermal overload relay from the SIRIUS series, featuring a Frame Size S2 and integrated bimetallic elements for thermal protection. It includes a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC, with no phase loss sensitivity. This relay is compatible with Frame Size S2 contactors and requires no external thermal units.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | 1NO/1NC, Frame Size S2, 36 A – 45 A |
| Brand | SIEMENS |
| Poles | 3 |
| Frame Size | S2 |
| Compatible Contactors | Frame Size S2 |
| 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 | 3RU21364GB0 |
| Terminal Connection Type | Screw Terminals |
| Compatible Contactor Series | SIRIUS |