Siemens 3RB2133-4QB0 Electronic Overload Relay 600V AC Untested Surplus
Siemens 3RB2133-4QB0 Electronic Overload Relay 600V AC Untested Surplus
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Condition:
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MPN: 3RB2133-4QB0
Stock #: 0626-01502
Product Specifications
- Manufacturer: Siemens
- MPN / Model: 3RB2133-4QB0
- Product Type: Electronic Overload Relay
- Series: SIRIUS
- Current Setting Range: 6 to 25 A
- Trip Class: Class 5 to 30
- Contact Configuration: 1 NC / 1 NO
- Contactor Size: S2
- Voltage Rating: 600V AC, 50/60 Hz
- Insulation Voltage (Ui): 690V
- Connection Type: Screw Terminal
- Reset: Manual / Automatic
- Short Circuit Rating: 5 kA at 600V
- Max Fuse: 100A, Class RK5
- Certifications: UL Listed, CSA, CE, ATEX (PTB 06 ATEX 3001)
- Country of Origin: Czech Republic
- Instruction Order No.: 3ZX1012-0RB20-1AA1
- Serial / Lot Reference: LO140203
Product Description
The Siemens 3RB2133-4QB0 is an electronic overload relay from the SIRIUS series, rated for 6 to 25A with adjustable trip class from Class 5 to 30. It is designed for contactor size S2 and connects via screw-type terminals. The unit carries a 1 NC / 1 NO auxiliary contact configuration and supports both manual and automatic reset modes. Voltage rating is 600V AC at 50/60 Hz, with a short circuit rating of 5 kA at 600V and a maximum fuse rating of 100A Class RK5. Certifications visible on the nameplate include UL Listed, CSA, CE, and ATEX (PTB 06 ATEX 3001). Manufactured in the Czech Republic. The 3RB2133-4QB0 is a phased-out product in the SIRIUS 3RB2 line; the preferred successor per Siemens is the 3RB3123-4QB0. Buyers sourcing this exact catalog number for replacement or spare inventory can use the MPN 3RB2133-4QB0 to match against existing installation documentation.
