Siemens Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 5SY43037, MPN 5SY43037) is a C-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series, rated at 3 A Amps. It features a Max. AIR Rating of 10kA…
SKU 3G-OTH-19868
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
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 5SY43037, MPN 5SY43037) is a C-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series, rated at 3 A Amps. It features a Max. AIR Rating of 10kA at 400V AC, AC Voltage Rating of 400V AC, and DC Voltage Rating of 72V DC, with a Screw Clamp terminal connection.
Frequently Asked Questions
What is the SIEMENS 5SY43037 supplementary protector used for?
The SIEMENS 5SY43037 is a C-curve, 3-pole UL1077 DIN rail-mount supplementary protector rated at 3 A. It protects downstream equipment from overcurrents and short circuits in industrial control panels, HVAC systems, and machinery, with a 10kA interrupting rating at 400 V AC and 72 V DC capability.
What are the specifications of the SIEMENS 5SY43037?
The SIEMENS 5SY43037 is a 3 A, 3-pole supplementary protector from the 5SY4 series. It has an AC voltage rating of 400 V AC, a DC voltage rating of 72 V DC, and a maximum AIR rating of 10 kA at 400 V AC. Terminal connection is screw clamp, and it is UL1077 listed for DIN rail mounting.
Where to buy the SIEMENS 5SY43037 worldwide?
3G Electric supplies the SIEMENS 5SY43037 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 5SY4 series device.
How to install the SIEMENS 5SY43037 on a DIN rail?
To install the SIEMENS 5SY43037, snap it onto a standard 35 mm DIN rail by hooking the top edge and pressing down until it locks. Use a screwdriver to tighten the screw clamp terminals to the recommended torque. Ensure the circuit is de-energized before installation and follow local electrical codes.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens c-curve, 3-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.
