Siemens 5SY4 Series D-Curve 1-Pole Supplementary Protector
The SIEMENS IEC Supplementary Protector (SKU 3G-OTH-19987) is a D-curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series, rated at 1 A. It features a maximum AIR rating of 10kA at 230/400V…
SKU 3G-OTH-19987
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 3G-OTH-19987) is a D-curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series, rated at 1 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, with screw clamp terminals.
Frequently Asked Questions
What is the SIEMENS 5SY41018 supplementary protector used for?
The SIEMENS 5SY41018 is a D-curve, 1-pole UL1077 supplementary protector rated at 1 A. It protects industrial control circuits, instrumentation, and HVAC equipment from overcurrents and short circuits, with a 10kA interrupting rating at 230/400V AC and 72V DC.
What are the specifications of the SIEMENS 5SY41018?
The SIEMENS 5SY41018 is a 1 A, D-curve supplementary protector from the 5SY4 series. It has a max AIR rating of 10kA at 230/400V AC, AC voltage rating of 230/400V AC, DC voltage rating of 72V DC, and screw clamp terminals. It is UL1077 listed for DIN rail mounting.
Where to buy the SIEMENS 5SY41018 worldwide?
3G Electric supplies the SIEMENS 5SY41018 worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this D-curve supplementary protector.
How to select a D-curve supplementary protector like the SIEMENS 5SY41018?
Select a D-curve protector like the SIEMENS 5SY41018 for loads with high inrush currents, such as motors, transformers, or solenoid valves. Verify the rated current (1 A), voltage (230/400V AC or 72V DC), and interrupting capacity (10kA) match your circuit requirements.
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3G Electric supplies Siemens d-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.