Siemens Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 30XV42, MPN 5SY43138) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 13 A Amps. It features a Max. AIR Rating of 10kA at 400V AC, AC Voltage…
SKU 3G-OTH-20513
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 30XV42, MPN 5SY43138) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 13 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 5SY43138 supplementary protector used for?
The SIEMENS 5SY43138 is a D-Curve, 3-Pole UL1077 supplementary protector used to protect industrial control circuits, HVAC equipment, and motor starters from overcurrents and short circuits. It is designed for DIN-rail mounting in panel boards and distribution enclosures where branch-circuit protection is not required.
What are the specifications of the SIEMENS 5SY43138?
The SIEMENS 5SY43138 is rated at 13 A Amps with a D-Curve trip characteristic. 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. The terminal connection is a screw clamp, and it is part of the 5SY4 series.
Where to buy the SIEMENS 5SY43138 worldwide?
You can source the SIEMENS 5SY43138 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 on this Siemens 5SY4 series component.
How to install the SIEMENS 5SY43138 supplementary protector?
Install the SIEMENS 5SY43138 by snapping it onto a standard 35 mm DIN rail. Ensure the supply is de-energized, then connect phase conductors to the screw-clamp terminals using the specified torque. For DC applications, verify polarity and voltage rating (72V DC). Always follow local electrical codes and the manufacturer's instructions.
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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.
