Siemens 5SY4 Series A-Curve 1-Pole UL1077 Supplementary Protector
The SIEMENS IEC Supplementary Protector (SKU 3G-OTH-21411) is a 4 A, A-Curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It features a screw clamp terminal connection and is rated for…
SKU 3G-OTH-21411
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
The SIEMENS IEC Supplementary Protector (SKU 3G-OTH-21411) is a 4 A, A-Curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It features a screw clamp terminal connection and is rated for 10kA at 230/400V AC and 72V DC.
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 5SY41045 supplementary protector used for?
The SIEMENS 5SY41045 is a 4 A, A-curve supplementary protector designed to protect downstream equipment against overloads and short circuits in industrial control panels, HVAC systems, and lighting circuits. It mounts on a DIN rail and is suitable for both AC (230/400V) and DC (72V) applications.
What are the specifications of the SIEMENS 5SY41045?
The SIEMENS 5SY41045 is a 1-pole supplementary protector rated 4 A with an A-curve trip characteristic. It has a max AIR rating of 10kA at 230/400V AC and a DC voltage rating of 72V DC. Terminal connection is screw clamp, and it is UL1077 listed for DIN rail mounting.
Where to buy the SIEMENS 5SY41045 worldwide?
You can source the SIEMENS 5SY41045 (SKU 3G-OTH-21411) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this A-curve supplementary protector.
How to install the SIEMENS 5SY41045 supplementary protector?
Install the SIEMENS 5SY41045 by snapping it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized. Connect wires using the screw clamp terminals per the torque rating on the device label. Follow local electrical codes and the manufacturer's instructions for proper overcurrent protection.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens a-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.