SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (MPN 5SY42158) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 1.6 A. It operates at 400V AC with a breaking capacity of 10kA at 400V AC and is also…
SKU 3G-OTH-127370
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Product Description
The SIEMENS IEC Supplementary Protector (MPN 5SY42158) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 1.6 A. It operates at 400V AC with a breaking capacity of 10kA at 400V AC and is also rated for 72V DC. This unit features screw clamp terminals and is part of the SIEMENS 5SY4 series.
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 IEC Supplementary Protector 5SY42158 used for?
The SIEMENS IEC Supplementary Protector 5SY42158 is used for overcurrent protection in industrial control panels, HVAC equipment, and machinery. Its D-curve trip characteristic handles high inrush loads like motors and transformers. It mounts on DIN rails and is UL1077 listed for supplementary protection in 400V AC or 72V DC circuits.
What are the specifications of the SIEMENS 5SY42158 supplementary protector?
The SIEMENS 5SY42158 is a 2-pole D-curve supplementary protector rated at 1.6 A. It operates at 400V AC with a breaking capacity of 10kA at 400V AC, and is also rated for 72V DC. It features screw clamp terminals and is part of the 5SY4 series. This unit is UL1077 listed for DIN rail mounting.
Where to buy the SIEMENS 5SY42158 supplementary protector worldwide?
You can source the SIEMENS 5SY42158 supplementary protector worldwide through 3G Electric. As a global industrial distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for pricing and lead time on this 1.6 A D-curve protector.
How to install the SIEMENS 5SY42158 supplementary protector on a DIN rail?
To install the SIEMENS 5SY42158, snap it onto a standard 35 mm DIN rail until it locks. Connect wires to the screw clamp terminals using a screwdriver, tightening to the torque specified on the device label. Ensure the circuit is de-energized before installation. Follow local electrical codes and the manufacturer's instructions for proper mounting.
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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.















