Siemens Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 5SY43168, MPN 5SY43168) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector rated at 16 A Amps. It features a Max. AIR Rating of 10kA at 400V AC, AC Voltage…
SKU 3G-OTH-20529
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 IEC Supplementary Protector (SKU 5SY43168, MPN 5SY43168) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector rated at 16 A Amps. It features a Max. AIR Rating of 10kA at 400V AC, AC Voltage Rating of 400V AC, and DC Voltage Rating of 72V DC, with a Screw Clamp terminal connection from the 5SY4 series.
Frequently Asked Questions
What is the SIEMENS 5SY43168 supplementary protector used for?
The SIEMENS 5SY43168 is a D-curve, 3-pole supplementary protector rated 16 A, 400V AC and 72V DC. It protects branch circuits and sensitive equipment from overloads and short circuits in industrial control panels, HVAC systems, and machinery. Its UL1077 listing suits it for applications where branch-circuit overcurrent protection is already provided upstream.
What are the specifications of the SIEMENS 5SY43168?
The SIEMENS 5SY43168 is a 16 A, D-curve, 3-pole supplementary protector with a screw-clamp terminal connection. It has an AC voltage rating of 400V AC, a DC voltage rating of 72V DC, and a maximum AIR rating of 10kA at 400V AC. It is part of the 5SY4 series and mounts on a standard DIN rail.
Where to buy the SIEMENS 5SY43168 worldwide?
You can source the SIEMENS 5SY43168 supplementary protector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this Siemens 5SY4 series component.
How to install the SIEMENS 5SY43168 supplementary protector?
Install the SIEMENS 5SY43168 by snapping it onto a 35 mm DIN rail. Ensure the circuit is de-energized. Connect phase conductors to the screw-clamp terminals, tightening to the torque specified on the device label. For DC applications, observe polarity if required. Follow local electrical codes and the manufacturer's instructions for proper overcurrent coordination.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens d-curve, 3-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
