Siemens Supplementary Protector: 50 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
The Siemens 5SY4 Series IEC Supplementary Protector is a C-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 50 A. It features a maximum AIR rating of 10kA at 230/400V AC, an AC voltage rating of…
SKU 3G-OTH-20007
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The Siemens 5SY4 Series IEC Supplementary Protector is a C-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 50 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 screw clamp terminals and is identified by manufacturer part number 5SY41507.
Frequently Asked Questions
What is the Siemens 5SY41507 supplementary protector used for?
The Siemens 5SY41507 is a 50 A, C-curve, 1-pole UL1077 supplementary protector for overcurrent protection of control circuits, instrumentation, and industrial equipment. It mounts on a DIN rail and is suitable for AC systems up to 230/400V AC and DC systems up to 72V DC.
What are the specifications of the Siemens 5SY4 50 A supplementary protector?
The Siemens 5SY4 (MPN 5SY41507) is rated 50 A with a C-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, and it is a 1-pole DIN rail-mount device.
Where to buy the Siemens 5SY41507 supplementary protector worldwide?
3G Electric supplies the Siemens 5SY41507 supplementary protector to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Siemens 5SY4 series device.
How to install a Siemens 5SY4 supplementary protector on a DIN rail?
To install the Siemens 5SY4 supplementary protector, snap it onto a standard 35 mm DIN rail. Ensure the rail is clean and the device clips engage firmly. Connect wires to the screw clamp terminals per the torque specifications in the Siemens datasheet. Always de-energize the circuit before installation.
Used in
Common applications for SiemensSiemens Products
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.
