Siemens Supplementary Protector: 10 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 30XU01) is a B-Curve, 1-Pole UL1077 DIN Rail-Mount supplementary protector rated at 10 Amps. It features a Max. AIR Rating of 10kA at 230/400V AC, AC Voltage Rating of…
SKU 3G-OTH-20944
Need installation or engineering help?
Ask a question
Product Description
The SIEMENS IEC Supplementary Protector (SKU 30XU01) is a B-Curve, 1-Pole UL1077 DIN Rail-Mount supplementary protector rated at 10 Amps. It features a Max. AIR Rating of 10kA at 230/400V AC, AC Voltage Rating of 230/400V AC, and DC Voltage Rating of 72V DC. The unit uses a Screw Clamp terminal connection and is part of the 5SY4 series (MPN 5SY41106).
Frequently Asked Questions
What is the SIEMENS 5SY41106 supplementary protector used for?
The SIEMENS 5SY41106 is a B-curve, 1-pole supplementary protector rated 10 A. It protects branch circuits and control equipment against overloads and short circuits in industrial panels, HVAC systems, and machinery. Its 10kA interrupting rating at 230/400V AC suits motor control centers and distribution boards.
What are the specifications of the SIEMENS 5SY41106?
The SIEMENS 5SY41106 is rated 10 A with a B-curve trip characteristic. It has a max AIR rating of 10kA at 230/400V AC, AC voltage rating of 230/400V AC, and DC voltage rating of 72V DC. Terminal connection is screw clamp. It is part of the 5SY4 series and is UL1077 listed.
Where to buy the SIEMENS 5SY41106 worldwide?
3G Electric supplies the SIEMENS 5SY41106 supplementary protector to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Siemens components and support procurement for plant maintenance and OEM applications.
How to install the SIEMENS 5SY41106 supplementary protector?
Mount the SIEMENS 5SY41106 onto a standard DIN rail. Ensure the circuit is de-energized before wiring. Connect line and load conductors to the screw clamp terminals, torquing to manufacturer specifications. Verify the B-curve matches the load type. Test operation after installation per local codes.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens b-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.















