SIEMENS IEC 5SY44018 D-Curve 4-Pole Supplementary Protector
The SIEMENS IEC Supplementary Protector (MPN 5SY44018) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 1 A Amps. It features a 72V DC rating and a 10kA interrupting capacity at 400V AC…
SKU 3G-OTH-128062
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 (MPN 5SY44018) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 1 A Amps. It features a 72V DC rating and a 10kA interrupting capacity at 400V AC, with Screw Clamp terminals. This 5SY4 series device from SIEMENS provides overcurrent protection for industrial control circuits.
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY44018 used for?
The SIEMENS IEC Supplementary Protector 5SY44018 is used for overcurrent protection in industrial control circuits. Its D-Curve trip characteristic makes it suitable for loads with high inrush currents, such as motors and transformers. It is a 4-pole, DIN rail-mount device rated for 400V AC and 72V DC applications.
What are the specifications of the SIEMENS 5SY44018 supplementary protector?
The SIEMENS 5SY44018 is a D-Curve, 4-pole supplementary protector rated at 1 A. It has a 72V DC rating and a 10kA interrupting capacity at 400V AC. Terminals are screw clamp type. It is UL1077 listed and part of the 5SY4 series, designed for DIN rail mounting in industrial control panels.
Where to buy the SIEMENS 5SY44018 supplementary protector worldwide?
You can source the SIEMENS 5SY44018 supplementary protector worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine SIEMENS components for industrial applications.
How to install the SIEMENS 5SY44018 supplementary protector?
Install the SIEMENS 5SY44018 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals, tightening to the torque specified in the datasheet. The D-Curve device is designed for overcurrent protection; verify system voltage does not exceed 400V AC or 72V DC.
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3G Electric supplies SIEMENS IEC d-curve, 4-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.
