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SIEMENS IEC Supplementary Protector: 1.6 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: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector is a D-Curve, 4-Pole UL1077 DIN Rail-Mount device rated at 1.6 A Amps, 72V DC, and 10kA at 400V AC. It features a Screw Clamp connection and is part of the 5SY4 series (MPN…

SKU 3G-OTH-154295

Brand
SIEMENS IEC
Item
Supplementary Protector: 1.6 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
5SY44158
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 is a D-Curve, 4-Pole UL1077 DIN Rail-Mount device rated at 1.6 A Amps, 72V DC, and 10kA at 400V AC. It features a Screw Clamp connection and is part of the 5SY4 series (MPN 5SY44158). This supplementary protector provides overcurrent protection for industrial equipment in a compact DIN rail-mountable form factor.

Frequently Asked Questions

What is the SIEMENS IEC Supplementary Protector used for?

The SIEMENS IEC Supplementary Protector provides overcurrent protection for industrial equipment in control panels, machinery, and automation systems. Its D-curve trip characteristic handles high inrush currents, making it suitable for motor and transformer circuits. It mounts on a standard DIN rail for compact installation.

What are the specifications of the SIEMENS 5SY44158 Supplementary Protector?

The SIEMENS 5SY44158 is a 4-pole, D-curve supplementary protector rated at 1.6 A, 72V DC, and 10kA at 400V AC. It uses a screw clamp connection and is UL1077 listed for DIN rail mounting. This 5SY4 series device is designed for reliable overcurrent protection in industrial applications.

Where to buy the SIEMENS 5SY44158 Supplementary Protector worldwide?

3G Electric supplies the SIEMENS 5SY44158 Supplementary Protector worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this 5SY4 series device.

How to install the SIEMENS IEC Supplementary Protector on a DIN rail?

To install the SIEMENS IEC Supplementary Protector, snap it onto a standard 35 mm DIN rail until it locks. Connect wires using the screw clamp terminals, tightening to the torque specified on the device label. Ensure the circuit is de-energized 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: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44408). 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: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44408). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44108). 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: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44108). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 0.3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44148). 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: 0.3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44148). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44168). 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: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44168). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 63 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44638). 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: 63 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44638). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44048). 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: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44048). 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: 32 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44328). 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: 32 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44328). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44068). 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: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44068). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 50 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44508). 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: 50 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44508). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44258). 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: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44258). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44138). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44138). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44088). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44088). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
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.
SIEMENS IEC
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.
SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44018). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44018). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.