Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size S0
The SIEMENS Overload Relay: Electronic Protection is an IEC electronic overload relay with a frame size of S0, designed for use with SIRIUS contactors of the same frame size. It features a 1NO/1NC auxiliary contact…
SKU 3G-OTH-44315
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: Electronic Protection is an IEC electronic overload relay with a frame size of S0, 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. This three-pole relay has an adjustable current range of 0.1 A to 0.4 A and does not include phase loss sensitivity or require thermal units.
Frequently Asked Questions
What is the SIEMENS 3RB31234RB0 overload relay used for?
The SIEMENS 3RB31234RB0 is an IEC electronic overload relay used to protect motors from overload and phase imbalance. It is designed for use with SIRIUS contactors of frame size S0 in industrial automation and control panels, providing reliable electronic protection for three-phase motors.
What are the specifications of the SIEMENS 3RB31234RB0 overload relay?
The SIEMENS 3RB31234RB0 is a three-pole electronic overload relay with frame size S0, adjustable current range 0.1 A to 0.4 A, auxiliary contact form 1NO/1NC, maximum voltage rating 690V AC, screw terminals, and no phase loss sensitivity. It does not require thermal units and is compatible with SIRIUS contactors of frame size S0.
Where to buy the SIEMENS 3RB31234RB0 overload relay worldwide?
You can source the SIEMENS 3RB31234RB0 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 provide reliable sourcing for Siemens SIRIUS components.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the frame size to your SIRIUS contactor (e.g., S0), ensure the adjustable current range covers the motor full-load current (0.1 A to 0.4 A for the 3RB31234RB0), and verify auxiliary contact configuration (1NO/1NC). Electronic types like this require no thermal units and offer precise protection.
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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.
