Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0
The SIEMENS Overload Relay: Thermal Protection (MPN 3RU21264PB0) is an IEC thermal overload relay in Frame Size S0, designed for use with SIRIUS contactors of the same frame size. It features a 1NO/1NC auxiliary…
SKU 3G-OTH-41752
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 3RU21264PB0) is an IEC thermal overload relay in Frame Size S0, 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 3RU21264PB0 overload relay used for?
The SIEMENS 3RU21264PB0 overload relay provides thermal protection for three-phase motors in industrial applications. It is designed for use with SIRIUS contactors of Frame Size S0, protecting motors from overheating due to overload or phase failure. Common in manufacturing, HVAC, and pumping systems.
What are the specifications of the SIEMENS 3RU21264PB0 overload relay?
The SIEMENS 3RU21264PB0 is a 3-pole IEC thermal overload relay with a current range of 30 A to 36 A. It features 1NO/1NC auxiliary contacts, screw terminals, a maximum voltage rating of 690V AC, and integrated bimetallic elements. It does not include phase loss sensitivity and is compatible with SIRIUS contactors of Frame Size S0.
Where to buy the SIEMENS 3RU21264PB0 overload relay worldwide?
You can source the SIEMENS 3RU21264PB0 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times.
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 3RU21264PB0, the range is 30 A to 36 A. Ensure the relay's frame size (S0) matches the contactor frame size. 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.
