Siemens 5SY4 B-Curve 1-Pole UL1077 Supplementary Protector
The Siemens 5SY4 series IEC supplementary protector (SKU 3G-OTH-20873) is a B-curve, 1-pole UL1077 DIN rail-mount device rated at 32 A amps. It features a maximum AIR rating of 10kA at 230/400V AC, an AC voltage…
SKU 3G-OTH-20873
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 5SY4 series IEC supplementary protector (SKU 3G-OTH-20873) is a B-curve, 1-pole UL1077 DIN rail-mount device rated at 32 A amps. 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, with screw clamp terminals.
Frequently Asked Questions
What is the Siemens 5SY41326 supplementary protector used for?
The Siemens 5SY41326 is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 32 A. It protects branch circuits and equipment from overcurrent and short circuits in industrial control panels, HVAC systems, and machinery across 14 industrial departments.
What are the specifications of the Siemens 5SY4 32 A supplementary protector?
The Siemens 5SY4 (MPN 5SY41326) is rated 32 A, 230/400V AC, 72V DC, with a max AIR of 10kA at 230/400V AC. It features a B curve, screw clamp terminals, and 1-pole DIN rail mounting. It complies with UL1077 for supplementary protection.
Where to buy the Siemens 5SY41326 supplementary protector worldwide?
3G Electric supplies the Siemens 5SY41326 supplementary protector to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this B-curve, 32 A, 72V DC device.
How to install a Siemens 5SY4 supplementary protector on a DIN rail?
Snap the Siemens 5SY4 onto a standard 35 mm DIN rail until it locks. Connect phase and neutral wires to the screw clamp terminals (torque to manufacturer specs). Ensure the B-curve device matches the load type and that the system voltage does not exceed 230/400V AC or 72V DC.
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.