Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00
The SIEMENS Overload Relay: Thermal Protection is an IEC thermal overload relay from the SIRIUS series, designed for frame size S00 and compatible with S00 contactors. It features a 1NO/1NC auxiliary contact form…
SKU 3G-OTH-39184
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 is an IEC thermal overload relay from the SIRIUS series, designed for frame size S00 and compatible with S00 contactors. 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 3RU21160BB0 overload relay used for?
The SIEMENS 3RU21160BB0 is an IEC thermal overload relay used to protect motors from overcurrent and phase imbalance. It is designed for frame size S00 contactors in the SIRIUS series, making it suitable for industrial motor control applications requiring reliable thermal protection.
What are the specifications of the SIEMENS 3RU21160BB0 overload relay?
The SIEMENS 3RU21160BB0 is a 3-pole thermal overload relay with a current range of 0.14 A to 0.2 A, frame size S00, and a maximum voltage rating of 690V AC. It includes integrated bimetallic elements, 1NO/1NC auxiliary contacts, and screw terminals. It does not offer phase loss sensitivity.
Where to buy the SIEMENS 3RU21160BB0 overload relay worldwide?
You can source the SIEMENS 3RU21160BB0 overload relay worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the relay's current range to the motor's full-load current. For the 3RU21160BB0, the range is 0.14 A to 0.2 A. Ensure compatibility with the contactor frame size (S00) and voltage rating (690V AC). The integrated bimetallic elements eliminate the need for separate thermal units.
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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.
