Siemens 3G-OTH-44909 — Technical Specifications
The SIEMENS Overload Relay: Electronic Protection is an IEC electronic overload relay with a frame size of A1, designed for use with Class 14 Starters and compatible contactors of the same frame size. It features a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. This three-pole relay covers a current range of 10 A to 40 A and does not require thermal units, as it is an electronic type.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | 1NO/1NC, Frame Size A1, 10 A – 40 A |
| Brand | SIEMENS |
| Poles | 3 |
| Frame Size | A1 |
| Compatible Contactors | Frame Size A1 |
| Auxiliary Contact Form | 1NO/1NC |
| Maximum Voltage Rating | 690V AC |
| Thermal Units Required | Not Applicable to Electronic Type Overload Relays |
| Manufacturer Part Number | 3UB81234EW2 |
| Terminal Connection Type | Screw Terminals |
| Compatible Contactor Series | Class 14 Starters |