Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size S00
The SIEMENS Overload Relay: Electronic Protection is an IEC electronic overload relay from the SIRIUS series, designed for frame size S00 contactors. It features a 1NO/1NC auxiliary contact form, screw terminals, and…
SKU 3G-OTH-44374
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- 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: Electronic Protection is an IEC electronic overload relay from the SIRIUS series, designed for frame size S00 contactors. It features a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. This 3-pole relay has an adjustable current range of 0.32 A to 1.25 A and does not require thermal units.
Frequently Asked Questions
What is the SIEMENS 3RB31134NB0 overload relay used for?
The SIEMENS 3RB31134NB0 is an IEC electronic overload relay from the SIRIUS series, used to protect motors from overload and phase loss. It is designed for frame size S00 contactors and provides adjustable current protection from 0.32 A to 1.25 A at up to 690V AC.
What are the specifications of the SIEMENS 3RB31134NB0 overload relay?
The SIEMENS 3RB31134NB0 is a 3-pole electronic overload relay with a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. It has an adjustable current range of 0.32 A to 1.25 A, frame size S00, and does not require thermal units.
Where to buy the SIEMENS 3RB31134NB0 overload relay worldwide?
3G Electric supplies the SIEMENS 3RB31134NB0 overload relay worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this SIRIUS series electronic overload relay.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the frame size to your contactor (e.g., S00 for the 3RB31134NB0) and ensure the adjustable current range covers the motor full-load amps. For electronic types like this, no thermal units are needed. Verify voltage rating (690V AC max) and auxiliary contact configuration.
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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.
