Siemens Supplementary Protector: 32 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
The Siemens 5SY4 series IEC supplementary protector (SKU 30XU50) is a D-curve, 1-pole UL1077 DIN rail-mount device rated at 32 A amps. It features a maximum AIR rating of 10kA at 230/400V AC, an AC voltage rating of…
SKU 3G-OTH-20430
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Product Description
The Siemens 5SY4 series IEC supplementary protector (SKU 30XU50) is a D-curve, 1-pole UL1077 DIN rail-mount device rated at 32 A amps. It features a maximum AIR rating of 10kA at 230/400V AC, an AC voltage rating of 230/400V AC, and a DC voltage rating of 72V DC, with screw clamp terminals.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Siemens 5SY41328 supplementary protector used for?
The Siemens 5SY41328 is a D-curve, 1-pole supplementary protector rated 32 A for overcurrent protection in industrial control panels, HVAC equipment, and machinery. It mounts on DIN rail and meets UL1077 standards for branch-circuit protection in 230/400V AC or 72V DC systems.
What are the specifications of the Siemens 5SY41328?
The Siemens 5SY41328 is a 32 A, 1-pole D-curve supplementary protector with screw clamp terminals. It has a max AIR rating of 10kA at 230/400V AC, AC voltage rating of 230/400V AC, and DC voltage rating of 72V DC. It is part of the 5SY4 series and mounts on DIN rail.
Where to buy the Siemens 5SY41328 worldwide?
You can source the Siemens 5SY41328 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 components for industrial applications.
How to select the correct Siemens supplementary protector for a 32 A circuit?
For a 32 A circuit, select a D-curve protector like the Siemens 5SY41328 to handle high inrush currents from motors or transformers. Ensure the voltage rating matches your system: 230/400V AC or 72V DC. Use screw clamp terminals for secure wiring and mount on standard DIN rail per UL1077 guidelines.
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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.















