Siemens 5SY4 Series C-Curve 1-Pole Supplementary Protector
The SIEMENS IEC Supplementary Protector (SKU 5SY41157, MPN 5SY41157) is a 1.6 A, 1-pole C-curve supplementary protector from the 5SY4 series, designed for DIN rail mounting per UL1077. It features a screw clamp…
SKU 3G-OTH-19531
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 IEC Supplementary Protector (SKU 5SY41157, MPN 5SY41157) is a 1.6 A, 1-pole C-curve supplementary protector from the 5SY4 series, designed for DIN rail mounting per UL1077. 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 5SY41157 supplementary protector used for?
The SIEMENS 5SY41157 is a 1.6 A, 1-pole C-curve supplementary protector from the 5SY4 series, used to protect branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and automation applications. It mounts on DIN rails per UL1077 and is rated for 230/400V AC and 72V DC.
What are the specifications of the SIEMENS 5SY41157?
The SIEMENS 5SY41157 is a 1.6 A, 1-pole C-curve 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 designed for DIN rail mounting per UL1077.
Where to buy the SIEMENS 5SY41157 worldwide?
You can source the SIEMENS 5SY41157 supplementary protector worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine Siemens components to industrial buyers globally.
How to install the SIEMENS 5SY41157 supplementary protector?
To install the SIEMENS 5SY41157, snap it onto a standard DIN rail in a suitable enclosure. Use a screwdriver to tighten the screw clamp terminals to the recommended torque for your wire size. Ensure the circuit is de-energized before installation. Follow Siemens guidelines and local electrical codes for proper mounting and wiring.
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3G Electric supplies Siemens c-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.
