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SIEMENS IEC 5SY42158 D-Curve 2-Pole Supplementary Protector - D-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SIEMENS IECD-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SIEMENS IEC 5SY42158 D-Curve 2-Pole Supplementary Protector

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

Brand
SIEMENS IEC
Item
5SY42158 D-Curve 2-Pole Supplementary Protector
Part Number
5SY42158
Category
D-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
Available to Order
Also known as:5SY42158SIEMENS IEC
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Technical Specifications

SIEMENS IEC
Manufacturer Part Number
5SY42158
Type
10kA at 400V AC, Screw Clamp, 5SY4
AC
400V
DC
72V

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SIEMENS IEC Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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.

Used in

Common applications for SIEMENS IEC
Industrial control panels — Siemens 5SY4 supplementary protectors provide overcurrent protection for PLC I/O, relays, and control transformers.
HVAC equipment — 5SY4 series protectors safeguard control circuits in air handling units, chillers, and boilers against overcurrent.
Pump systems — Siemens IEC supplementary protectors protect motor control circuits and instrumentation in water and process pump stations.
Renewable energy — 5SY4 DC-rated protectors are used in solar combiner boxes and battery storage systems for control circuit protection.
Machine tools — 5SY4 supplementary protectors with D-Curve handle high inrush currents from spindle drives and servo amplifiers.
Building automation — Siemens IEC protectors protect control panels for lighting, security, and access systems in commercial buildings.
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SIEMENS IEC Products

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.

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This 20 A, D-curve, 2-pole supplementary protector is rated for 400V AC with a breaking capacity of 10kA at 400V AC and 72V DC. It features screw-clamp terminals and is designed for DIN-rail mounting. Suitable for overcurrent and short-circuit protection in industrial control circuits, HVAC equipment, and motor branch circuits
SIEMENS IEC
This 20 A, D-curve, 2-pole supplementary protector is rated for 400V AC with a breaking capacity of 10kA at 400V AC and 72V DC. It features screw-clamp terminals and is designed for DIN-rail mounting. Suitable for overcurrent and short-circuit protection in industrial control circuits, HVAC equipment, and motor branch circuits

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