Siemens 5SY44087 C-Curve 4-Pole Supplementary Protector
The SIEMENS IEC Supplementary Protector (SKU 5SY44087, MPN 5SY44087) is a C-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 8 A Amps, with a maximum AIR rating of…
SKU 3G-OTH-20566
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 5SY44087, MPN 5SY44087) is a C-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 8 A Amps, with a maximum AIR rating of 10kA at 400V AC and a DC voltage rating of 72V DC. The unit features a screw clamp terminal connection.
Frequently Asked Questions
What is the SIEMENS 5SY44087 supplementary protector used for?
The SIEMENS 5SY44087 is a C-curve, 4-pole supplementary protector designed to protect branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and automation applications. It mounts on a DIN rail and is UL1077 listed for use in North American and global installations.
What are the specifications of the SIEMENS 5SY44087?
The SIEMENS 5SY44087 is rated for 8 A amps, with a maximum AIR rating of 10kA at 400V AC and a DC voltage rating of 72V DC. It features a screw clamp terminal connection, a C-curve trip characteristic, and is part of the 5SY4 series. The unit is a 4-pole DIN rail-mount supplementary protector.
Where to buy the SIEMENS 5SY44087 worldwide?
You can source the SIEMENS 5SY44087 through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens supplementary protectors to procurement teams globally.
How to install the SIEMENS 5SY44087 supplementary protector?
Install the SIEMENS 5SY44087 by snapping it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized before wiring. Connect conductors to the screw clamp terminals per the torque specifications on the device label. The C-curve characteristic provides magnetic trip between 5 and 10 times rated current for moderate inrush applications.
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3G Electric supplies Siemens c-curve, 4-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.