SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 5SY42018, MPN 5SY42018) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 1 A. It features a screw-clamp connection and is rated for 400V AC with…
SKU 3G-OTH-127360
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 5SY42018, MPN 5SY42018) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 1 A. It features a screw-clamp connection and is rated for 400V AC with a breaking capacity of 10kA at 400V AC, and 72V DC. This device is part of the SIEMENS 5SY4 series.
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY42018 used for?
The SIEMENS IEC Supplementary Protector 5SY42018 is used to protect branch circuits and equipment from overcurrent and short circuits in industrial control panels, HVAC systems, and automation applications. Its D-curve trip characteristic makes it suitable for loads with high inrush currents, such as motors and transformers.
What are the specifications of the SIEMENS 5SY42018 supplementary protector?
The SIEMENS 5SY42018 is a D-curve, 2-pole supplementary protector rated at 1 A. It has a voltage rating of 400V AC and 72V DC, with a breaking capacity of 10kA at 400V AC. It features a screw-clamp connection and is designed for DIN rail mounting, complying with UL1077 standards.
Where to buy the SIEMENS 5SY42018 supplementary protector worldwide?
You can source the SIEMENS 5SY42018 supplementary protector worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times; we supply genuine SIEMENS IEC components for industrial applications.
How to install the SIEMENS 5SY42018 supplementary protector?
To install the SIEMENS 5SY42018, mount it onto a standard DIN rail, ensuring the rail is clean and secure. Connect the wires using the screw-clamp terminals, tightening to the torque specified in the datasheet. Verify the circuit is de-energized before installation. Follow local electrical codes and SIEMENS guidelines for safe operation.
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3G Electric supplies SIEMENS IEC d-curve, 2-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.
