Siemens 5SY4 Series D-Curve 1-Pole UL1077 Supplementary Protector
The Siemens 5SY4 series IEC Supplementary Protector (SKU 5SY41058, MPN 5SY41058) is a D-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 0.5 A. It features a maximum AIR rating of 10kA at 230/400V…
SKU 3G-OTH-20376
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 5SY4 series IEC Supplementary Protector (SKU 5SY41058, MPN 5SY41058) is a D-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 0.5 A. 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.
Frequently Asked Questions
What is the Siemens 5SY41058 supplementary protector used for?
The Siemens 5SY41058 is a D-curve, 1-pole UL1077 supplementary protector rated at 0.5 A. It protects industrial control circuits, instrumentation, and automation equipment from overcurrents and short circuits, commonly applied in panel building, machine tools, and HVAC systems across 14 industrial departments.
What are the specifications of the Siemens 5SY41058?
The Siemens 5SY41058 is a 0.5 A, D-curve, 1-pole 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 5SY41058 worldwide?
3G Electric supplies the Siemens 5SY41058 supplementary protector to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this D-curve, 0.5 A protector.
How to select the right supplementary protector for a control panel?
Select a supplementary protector based on load current, voltage (AC/DC), interrupting capacity, and curve type. For inductive or motor loads, a D-curve like the Siemens 5SY41058 handles high inrush. Ensure the device is UL1077 listed for branch-circuit protection. 3G Electric can help match specifications to your application.
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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.