Siemens 3RB31234NB0 IEC Electronic Overload Relay
The SIEMENS Overload Relay is an IEC electronic overload relay with 3 poles and a 1NO/1NC auxiliary contact form, housed in Frame Size S0. It features a maximum voltage rating of 690V AC, screw terminals, and is…
SKU 3G-OTH-44360
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- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS Overload Relay is an IEC electronic overload relay with 3 poles and a 1NO/1NC auxiliary contact form, housed in Frame Size S0. It features a maximum voltage rating of 690V AC, screw terminals, and is compatible with SIRIUS contactors of Frame Size S0. This electronic type does not require thermal units and has no phase loss sensitivity.
Frequently Asked Questions
What is the SIEMENS 3RB31234NB0 overload relay used for?
The SIEMENS 3RB31234NB0 is an IEC electronic overload relay used to protect motors from overcurrent conditions. It is designed for use with SIRIUS contactors in industrial automation and control panels, providing reliable protection without requiring thermal units.
What are the specifications of the SIEMENS 3RB31234NB0 overload relay?
The SIEMENS 3RB31234NB0 is a 3-pole electronic overload relay with a 1NO/1NC auxiliary contact form, Frame Size S0, and a maximum voltage rating of 690V AC. It features screw terminals, is compatible with SIRIUS contactors of Frame Size S0, and does not require thermal units.
Where to buy the SIEMENS 3RB31234NB0 overload relay worldwide?
You can source the SIEMENS 3RB31234NB0 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Siemens components for your application.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the frame size (e.g., S0) to your contactor series (SIRIUS) and verify the motor's full-load current falls within the relay's adjustment range. For electronic types like the 3RB31234NB0, no thermal units are needed, simplifying installation.
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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.