SIEMENS IEC Supplementary Protector: 0.3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (MPN 5SY44148) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 0.3 A Amps. It features a 72V DC rating and a breaking capacity of 10kA at 400V AC…
SKU 3G-OTH-154301
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- 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 IEC Supplementary Protector (MPN 5SY44148) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 0.3 A Amps. It features a 72V DC rating and a breaking capacity of 10kA at 400V AC, with Screw Clamp terminals. This device is part of the SIEMENS 5SY4 series.
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY44148 used for?
The SIEMENS IEC Supplementary Protector 5SY44148 is a D-Curve, 4-Pole UL1077 DIN Rail-Mount device rated at 0.3 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 5SY44148 supplementary protector?
The SIEMENS 5SY44148 is a 4-Pole supplementary protector with a D-Curve trip characteristic, rated 0.3 A Amps, 72V DC, and 10kA at 400V AC breaking capacity. It uses Screw Clamp terminals and mounts on a DIN rail. This device is part of the SIEMENS 5SY4 series and complies with UL1077 standards.
Where to buy the SIEMENS 5SY44148 supplementary protector worldwide?
You can source the SIEMENS 5SY44148 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; we supply genuine SIEMENS IEC components for industrial applications.
How to install the SIEMENS 5SY44148 DIN Rail supplementary protector?
To install the SIEMENS 5SY44148, snap it onto a standard 35mm DIN rail. Ensure the D-Curve rating matches your load's inrush characteristics. Connect wires to the Screw Clamp terminals per the torque specifications in the datasheet. Always de-energize the circuit before installation and follow local electrical codes.
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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.
