Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00
The SIEMENS Overload Relay: Thermal Protection (MPN 3RU21161GB0) is an IEC thermal overload relay with a Frame Size S00, designed for use with SIRIUS contactors of the same frame size. It features a 1NO/1NC auxiliary…
SKU 3G-OTH-39782
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS Overload Relay: Thermal Protection (MPN 3RU21161GB0) is an IEC thermal overload relay with a Frame Size S00, designed for use with SIRIUS contactors of the same frame size. It features a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. The relay includes integrated bimetallic elements, eliminating the need for separate thermal units, and does not offer phase loss sensitivity.
Frequently Asked Questions
What is the SIEMENS 3RU21161GB0 overload relay used for?
The SIEMENS 3RU21161GB0 is an IEC thermal overload relay used to protect motors from overload and phase imbalance. It integrates bimetallic elements and is designed for use with SIRIUS contactors in industrial control panels, conveyors, and pump systems.
What are the specifications of the SIEMENS 3RU21161GB0 overload relay?
The SIEMENS 3RU21161GB0 is a 3-pole thermal overload relay with frame size S00, current range 4.5 A – 6.3 A, 1NO/1NC auxiliary contacts, screw terminals, and a maximum voltage rating of 690V AC. It includes integrated bimetallic elements and does not offer phase loss sensitivity.
Where to buy the SIEMENS 3RU21161GB0 overload relay worldwide?
3G Electric supplies the SIEMENS 3RU21161GB0 overload relay worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine Siemens part to your facility, regardless of location.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the frame size to your SIRIUS contactor (e.g., S00 for the 3RU21161GB0), ensure the current range covers the motor full-load amps, and verify auxiliary contact configuration (1NO/1NC) and voltage rating (690V AC).
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens iec thermal overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
