Siemens 3RU21160JB0 IEC Thermal Overload Relay
The SIEMENS Overload Relay is an IEC thermal overload relay from the SIRIUS series, designed for frame size S00 contactors. It features integrated bimetallic elements, a 1NO/1NC auxiliary contact form, and screw…
SKU 3G-OTH-40119
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 is an IEC thermal overload relay from the SIRIUS series, designed for frame size S00 contactors. It features integrated bimetallic elements, a 1NO/1NC auxiliary contact form, and screw terminals, with a maximum voltage rating of 690V AC. This 3-pole relay covers a current range of 0.7 A to 1 A and does not include phase loss sensitivity.
Frequently Asked Questions
What is the SIEMENS 3RU21160JB0 overload relay used for?
The SIEMENS 3RU21160JB0 is an IEC thermal overload relay from the SIRIUS series, used to protect motors from overcurrent and phase imbalance. It is designed for frame size S00 contactors and is suitable for industrial automation, pump, fan, and conveyor applications where reliable thermal protection is required.
What are the specifications of the SIEMENS 3RU21160JB0 overload relay?
The SIEMENS 3RU21160JB0 is a 3-pole thermal overload relay with a current range of 0.7 A to 1 A. It has a 1NO/1NC auxiliary contact form, 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 frame size S00 contactors.
Where to buy the SIEMENS 3RU21160JB0 overload relay worldwide?
You can source the SIEMENS 3RU21160JB0 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; we supply genuine Siemens SIRIUS series components for industrial applications.
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 3RU21160JB0, the range is 0.7 A to 1 A. Ensure the frame size (S00) matches your contactor. Use screw terminals for wiring. For motors above 1 A, choose a higher-rated relay from the SIRIUS series.
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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.
