Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size S0
The SIEMENS Overload Relay: Electronic Protection (MPN 3RB31234VB0) is an IEC electronic overload relay in Frame Size S0, compatible with SIRIUS contactors of the same frame size. It features a 1NO/1NC auxiliary…
SKU 3G-OTH-44940
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: Electronic Protection (MPN 3RB31234VB0) is an IEC electronic overload relay in Frame Size S0, compatible 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. This 3-pole relay covers a 10 A to 40 A range and does not include phase loss sensitivity or require thermal units.
Frequently Asked Questions
What is the SIEMENS 3RB31234VB0 overload relay used for?
The SIEMENS 3RB31234VB0 is an IEC electronic overload relay used to protect motors from overload and phase imbalance. It is designed for industrial applications requiring reliable motor protection, compatible with SIRIUS contactors in Frame Size S0, and suitable for global machinery and panel builds.
What are the specifications of the SIEMENS 3RB31234VB0 overload relay?
The SIEMENS 3RB31234VB0 is a 3-pole electronic overload relay with a 10 A to 40 A range, Frame Size S0, 1NO/1NC auxiliary contacts, screw terminals, and a maximum voltage rating of 690V AC. It does not include phase loss sensitivity and requires no thermal units, as it is an electronic type.
Where to buy the SIEMENS 3RB31234VB0 overload relay worldwide?
You can source the SIEMENS 3RB31234VB0 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 components for industrial applications.
How to select the correct SIEMENS overload relay for a SIRIUS contactor?
To select the correct SIEMENS overload relay, match the frame size of the relay to the SIRIUS contactor—both must be Frame Size S0 for the 3RB31234VB0. Ensure the current range (10 A to 40 A) covers your motor full-load current, and verify the auxiliary contact configuration (1NO/1NC) meets your control circuit needs.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens iec electronic overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
