Siemens Supplementary Protector: 63 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 30XU71) is a C-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 63 A. It features a maximum AIR rating of 10kA at 230/400V AC, an AC voltage rating of…
SKU 3G-OTH-19967
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 30XU71) is a C-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 63 A. It features a maximum AIR rating of 10kA at 230/400V AC, an AC voltage rating of 230/400V AC, and a DC voltage rating of 72V DC. The unit uses a screw clamp terminal connection and is part of the 5SY4 series (MPN 5SY41637).
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 5SY41637 supplementary protector used for?
The SIEMENS 5SY41637 is a C-curve, 1-pole UL1077 supplementary protector rated at 63 A. It protects branch circuits and equipment from overloads and short circuits in industrial control panels, HVAC systems, and lighting applications. It mounts on DIN rails and is suitable for AC and DC systems up to 72V DC.
What are the specifications of the SIEMENS 5SY41637?
The SIEMENS 5SY41637 is a 63 A, C-curve supplementary protector with a max AIR rating of 10kA at 230/400V AC. It has an AC voltage rating of 230/400V AC and a DC voltage rating of 72V DC. The terminal connection is screw clamp, and it is part of the 5SY4 series.
Where to buy the SIEMENS 5SY41637 worldwide?
You can source the SIEMENS 5SY41637 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times. We supply genuine Siemens components for industrial applications.
How to install the SIEMENS 5SY41637 supplementary protector?
Install the SIEMENS 5SY41637 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires using the screw clamp terminals, tightening to the manufacturer's recommended torque. Verify the C-curve rating matches your load type. Follow local electrical codes and Siemens guidelines for safe operation.
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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.















