SIEMENS IEC 5SY44105 Supplementary Protector
The SIEMENS IEC Supplementary Protector (SKU 5SY44105, MPN 5SY44105) is a 10 A, A-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 72V DC and 10kA at 400V AC, with…
SKU 3G-OTH-127921
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 5SY44105, MPN 5SY44105) is a 10 A, A-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 72V DC and 10kA at 400V AC, with screw clamp terminals.
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY44105 used for?
The SIEMENS IEC Supplementary Protector 5SY44105 is used for overcurrent protection in industrial control panels, HVAC equipment, and machinery. Its A-Curve trip characteristic suits resistive or lightly inductive loads. It mounts on a DIN rail and meets UL1077 standards for supplementary protection in branch circuits.
What are the specifications of the SIEMENS 5SY44105 supplementary protector?
The SIEMENS 5SY44105 is a 10 A, 4-pole supplementary protector from the 5SY4 series. It is rated 400V AC and 72V DC, with a breaking capacity of 10kA at 400V AC. Terminals are screw clamp type. It features an A-Curve trip characteristic and is designed for DIN-rail mounting per UL1077.
Where to buy the SIEMENS 5SY44105 supplementary protector worldwide?
You can source the SIEMENS 5SY44105 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 on this SIEMENS IEC supplementary protector.
How to install the SIEMENS 5SY44105 supplementary protector on a DIN rail?
To install the SIEMENS 5SY44105, snap it onto a standard 35 mm DIN rail. Ensure the rail is clean and the protector clips engage firmly. Connect conductors to the screw clamp terminals using the recommended torque. Verify the circuit is de-energized before installation. Follow SIEMENS guidelines for safe operation.
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3G Electric supplies SIEMENS IEC a-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.