SIEMENS IEC Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (MPN 5SY44058) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 0.5 A Amps. It features a breaking capacity of 10kA at 400V AC and a voltage rating…
SKU 3G-OTH-154291
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Product Description
The SIEMENS IEC Supplementary Protector (MPN 5SY44058) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 0.5 A Amps. It features a breaking capacity of 10kA at 400V AC and a voltage rating of 72V DC, with Screw Clamp terminals. This model is part of the SIEMENS 5SY4 series.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY44058 used for?
The SIEMENS IEC Supplementary Protector 5SY44058 is a D-Curve, 4-Pole UL1077 DIN Rail-Mount device rated at 0.5 A Amps. It protects downstream equipment against overcurrents and short circuits in industrial control panels, HVAC systems, and automation applications where branch-circuit protection is not required.
What are the specifications of the SIEMENS 5SY44058 supplementary protector?
The SIEMENS 5SY44058 is a 4-Pole D-Curve supplementary protector rated 0.5 A Amps, 72V DC, and 400V AC. It has a breaking capacity of 10kA at 400V AC and uses Screw Clamp terminals. It is part of the SIEMENS 5SY4 series and mounts on a standard DIN rail.
Where to buy the SIEMENS 5SY44058 supplementary protector worldwide?
You can source the SIEMENS 5SY44058 supplementary protector 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 on this D-Curve, 4-Pole UL1077 device.
How to install the SIEMENS 5SY44058 DIN Rail-Mount supplementary protector?
To install the SIEMENS 5SY44058, snap it onto a standard 35mm DIN rail. Ensure the supply is de-energized. Connect conductors to the Screw Clamp terminals per the torque specifications in the datasheet. The D-Curve trip characteristic suits motor and transformer loads with high inrush currents.
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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.















