Siemens Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 30XV54, MPN 5SY43208) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector rated at 20 A Amps. It features a Max. AIR Rating of 10kA at 400V AC, AC Voltage…
SKU 3G-OTH-20538
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 30XV54, MPN 5SY43208) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector rated at 20 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 5SY43208 supplementary protector used for?
The SIEMENS 5SY43208 is a D-Curve, 3-pole supplementary protector used to protect branch circuits and equipment from overcurrents and short circuits in industrial control panels, HVAC systems, and automation applications. It mounts on a DIN rail and is UL1077 listed for use in North America and IEC markets.
What are the specifications of the SIEMENS 5SY43208?
The SIEMENS 5SY43208 is rated 20 A with a D-Curve trip characteristic. It has an AC voltage rating of 400 V AC, a DC voltage rating of 72 V DC, and a maximum interrupting rating of 10 kA at 400 V AC. The terminal connection is a screw clamp, and it is part of the 5SY4 series.
Where to buy the SIEMENS 5SY43208 worldwide?
You can source the SIEMENS 5SY43208 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 supply genuine Siemens components for industrial applications.
How to install the SIEMENS 5SY43208 on a DIN rail?
To install the SIEMENS 5SY43208, snap it onto a standard 35 mm DIN rail by hooking the top clip and pressing down until it locks. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals using a screwdriver, tightening to the torque specified on the device label. Verify polarity for DC applications.
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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.
