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SIEMENS IEC Supplementary Protector: 32 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: 32 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 30XW24, MPN 5SY44328) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 32 A Amps. It features a 72V DC rating and a 10kA interrupting capacity…

SKU 3G-OTH-128202

Brand
SIEMENS IEC
Item
Supplementary Protector: 32 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
5SY44328
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 (SKU 30XW24, MPN 5SY44328) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 32 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.

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 5SY44328 used for?

The SIEMENS 5SY44328 is a D-Curve, 4-Pole UL1077 supplementary protector rated at 32 A Amps. It protects industrial control circuits and equipment from overcurrents and short circuits in 400V AC or 72V DC systems, commonly used in panel building and machinery.

What are the specifications of the SIEMENS 5SY44328?

The SIEMENS 5SY44328 is a 4-pole supplementary protector with a D-Curve trip characteristic, rated 32 A Amps at 400V AC and 72V DC. It has a 10kA interrupting capacity at 400V AC and uses Screw Clamp terminals. It is part of the SIEMENS 5SY4 series.

Where to buy the SIEMENS 5SY44328 worldwide?

3G Electric supplies the SIEMENS 5SY44328 supplementary protector to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this D-Curve, 4-Pole UL1077 device.

How to install the SIEMENS 5SY44328 supplementary protector?

Install the SIEMENS 5SY44328 on a DIN rail per UL1077 guidelines. Ensure the supply is de-energized, then snap the device onto the rail. Connect conductors to the Screw Clamp terminals at the specified torque. Verify the D-Curve rating matches your circuit's inrush characteristics before energizing.

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: 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.
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: 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: 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: 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.
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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.
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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.
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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.
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.
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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 Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44058). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44058). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.