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SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp - D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SIEMENS IECD-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (MPN 5SY44168) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated for 16 A Amps. It features a 72V DC rating and a 10kA interrupting capacity at 400V AC…

SKU 3G-OTH-154297

Brand
SIEMENS IEC
Item
Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
Category
D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

SIEMENS IEC
Manufacturer Part Number
5SY44168
Type
10kA at 400V AC, Screw Clamp, D
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 5SY44168) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated for 16 A Amps. It features a 72V DC rating and a 10kA interrupting capacity at 400V AC, with Screw Clamp terminals. This model is part of the SIEMENS 5SY4 series.

Frequently Asked Questions

What is the SIEMENS IEC Supplementary Protector 5SY44168 used for?

The SIEMENS IEC Supplementary Protector 5SY44168 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 branch circuit protection.

What are the specifications of the SIEMENS 5SY44168 supplementary protector?

The SIEMENS 5SY44168 is a 4-pole D-curve supplementary protector rated 16 A, 72V DC, with a 10kA interrupting capacity at 400V AC. It uses screw clamp terminals and is part of the 5SY4 series. It is UL1077 listed for DIN rail mounting.

Where to buy the SIEMENS 5SY44168 supplementary protector worldwide?

You can source the SIEMENS 5SY44168 supplementary protector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the SIEMENS 5SY44168 supplementary protector?

Install the SIEMENS 5SY44168 by snapping it onto a standard DIN rail. Connect phase conductors to the screw clamp terminals, ensuring torque per the terminal marking. For DC applications, observe polarity. Always de-energize the circuit before installation and follow local electrical codes.

Used in

Common applications for SIEMENS IEC
Motor control centers — Siemens 5SY4 D-curve supplementary protectors (e.g., 5SY42108) for motor branch circuit protection
HVAC equipment — A-curve protectors (e.g., 5SY42255) for compressor and fan motor overcurrent protection
Industrial conveyor systems — 4-pole D-curve protectors (e.g., 5SY44168) for three-phase motor protection with neutral
Pump control panels — 2-pole supplementary protectors (e.g., 5SY42038) for single-phase pump motor protection
Machine tool control circuits — A-curve protectors (e.g., 5SY44155) for solenoid valve and relay protection
Power distribution sub-panels — 4-pole protectors (e.g., 5SY44155) for three-phase branch circuit protection in light industrial settings

SIEMENS IEC Products

3G Electric supplies SIEMENS IEC d-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.

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SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44028). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
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SIEMENS IEC Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44208). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
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