Siemens Supplementary Protector: 3 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 30XU54) is a D-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 3 A. It features a max. AIR rating of 10kA at 230/400V AC, an AC voltage rating of…
SKU 3G-OTH-20036
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 30XU54) is a D-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 3 A. It features a max. AIR rating of 10kA at 230/400V AC, an AC voltage rating of 230/400V AC, and a DC voltage rating of 72V DC. This 5SY4 series unit uses screw clamp terminals and is identified by manufacturer part number 5SY41038.
Frequently Asked Questions
What is the SIEMENS 5SY41038 supplementary protector used for?
The SIEMENS 5SY41038 is a D-curve, 1-pole supplementary protector rated at 3 A. It protects branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and lighting applications. Its D-curve characteristic suits high-inrush loads like motors and transformers.
What are the specifications of the SIEMENS 5SY41038?
The SIEMENS 5SY41038 is a 3 A, D-curve, 1-pole supplementary protector with a max. AIR rating of 10kA at 230/400V AC. It has an AC voltage rating of 230/400V AC and a DC voltage rating of 72V DC. Terminal connection is screw clamp, and it is part of the 5SY4 series.
Where to buy the SIEMENS 5SY41038 worldwide?
You can source the SIEMENS 5SY41038 from 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 supplementary protectors to procurement teams globally.
How to select the correct SIEMENS supplementary protector for your application?
Select based on current rating (3 A for this model), voltage (AC 230/400V or DC 72V), and curve type. D-curve is for high-inrush loads like motors. Ensure the max. AIR rating (10kA) exceeds available fault current. Use screw clamp terminals for secure wiring. Always verify UL1077 listing for supplementary protection.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens d-curve, 1-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.
