Siemens Supplementary Protector: 2 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
The Siemens 5SY4 series IEC supplementary protector (MPN 5SY41025) is a 2 A, A-curve, 1-pole UL1077 DIN rail-mount device. It features a screw clamp terminal connection and is rated for 10kA at 230/400V AC and 72V DC.
SKU 3G-OTH-21386
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 (MPN 5SY41025) is a 2 A, A-curve, 1-pole UL1077 DIN rail-mount device. 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 5SY41025 supplementary protector used for?
The Siemens 5SY41025 is a 2 A, A-curve, 1-pole supplementary protector designed for overcurrent protection in industrial control panels, HVAC equipment, and lighting circuits. It mounts on a 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 5SY41025?
The Siemens 5SY41025 is a 2 A, A-curve, 1-pole supplementary protector with a screw clamp terminal connection. 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 mounts on a DIN rail.
Where to buy the Siemens 5SY41025 worldwide?
You can source the Siemens 5SY41025 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 5SY41025 supplementary protector?
Install the Siemens 5SY41025 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals per the torque rating specified on the device label. For A-curve protection, it trips on short-circuit and overload; verify system voltage does not exceed 72V DC or 230/400V AC.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens a-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.
