Siemens 5SY4 Series D-Curve 1-Pole Supplementary Protector
The Siemens 5SY4 Series IEC Supplementary Protector (SKU 5SY41158, MPN 5SY41158) is a 1.6 A, D-curve, 1-pole UL1077 DIN rail-mount supplementary protector. It features a screw clamp terminal connection and is rated…
SKU 3G-OTH-20410
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Siemens 5SY4 Series IEC Supplementary Protector (SKU 5SY41158, MPN 5SY41158) is a 1.6 A, D-curve, 1-pole UL1077 DIN rail-mount supplementary protector. It features a screw clamp terminal connection and is rated for 10kA at 230/400V AC and 72V DC.
Frequently Asked Questions
What is the Siemens 5SY41158 supplementary protector used for?
The Siemens 5SY41158 is a 1-pole D-curve supplementary protector rated 1.6 A, used to protect industrial control circuits, HVAC equipment, and motor branch circuits against overloads and short circuits. It mounts on DIN rails and is suitable for 230/400V AC or 72V DC systems.
What are the specifications of the Siemens 5SY41158?
The Siemens 5SY41158 is a 1.6 A, D-curve, 1-pole supplementary protector with screw clamp terminals. It has a max AIR rating of 10kA at 230/400V AC and a DC voltage rating of 72V DC. It is part of the 5SY4 series and complies with UL1077 standards.
Where to buy the Siemens 5SY41158 worldwide?
You can source the Siemens 5SY41158 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 times.
How to select the correct Siemens supplementary protector for my application?
Select based on current rating (1.6 A for this model), voltage (AC or DC), and curve type. D-curve suits high inrush loads like motors or transformers. Ensure the interrupting rating (10kA at 230/400V AC) exceeds your system's fault current. Always verify DIN rail compatibility.
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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.