Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00
The SIEMENS Overload Relay: Thermal Protection (MPN 3RU21161DB0) is an IEC thermal overload relay with a Frame Size of S00, designed for use with SIRIUS contactors of the same frame size. It features a 1NO/1NC…
SKU 3G-OTH-39462
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS Overload Relay: Thermal Protection (MPN 3RU21161DB0) is an IEC thermal overload relay with a Frame Size of 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 3RU21161DB0 overload relay used for?
The SIEMENS 3RU21161DB0 is an IEC thermal overload relay used to protect motors from overheating due to overload or phase loss. It is designed for use with SIRIUS contactors of frame size S00 in industrial automation and motor control applications.
What are the specifications of the SIEMENS 3RU21161DB0 overload relay?
The SIEMENS 3RU21161DB0 is a thermal overload relay with frame size S00, 3 poles, 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 3RU21161DB0 overload relay worldwide?
You can source the SIEMENS 3RU21161DB0 overload relay from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your motor protection needs.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the relay's current range (e.g., 2.2 A – 3.2 A for the 3RU21161DB0) to the motor's full-load current. Ensure the frame size (S00) is compatible with your SIRIUS contactor and that the auxiliary contact configuration meets your control circuit requirements.
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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.
