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SIEMENS IEC Supplementary Protector: 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: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 5SY44068, MPN 5SY44068) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 6 Amps. It features a 72V DC rating and a 10kA interrupting capacity at…

SKU 3G-OTH-128074

Brand
SIEMENS IEC
Item
Supplementary Protector: 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
5SY44068
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 5SY44068, MPN 5SY44068) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 6 Amps. It features a 72V DC rating and a 10kA interrupting capacity at 400V AC, with screw clamp terminals. This 5SY4 series device is designed for overcurrent protection in industrial control panels and equipment.

Frequently Asked Questions

What is the SIEMENS 5SY44068 supplementary protector used for?

The SIEMENS 5SY44068 is a D-curve, 4-pole UL1077 supplementary protector rated at 6 A. It provides overcurrent protection for industrial control panels, motor starters, and equipment where branch-circuit protection is not required. Its 10kA interrupting capacity at 400V AC suits high-fault applications.

What are the specifications of the SIEMENS 5SY44068?

The SIEMENS 5SY44068 is a 6 A, D-curve, 4-pole supplementary protector with a 72V DC rating and 10kA interrupting capacity at 400V AC. It uses screw clamp terminals, mounts on DIN rail, and complies with UL1077. The MPN is 5SY44068, part of the 5SY4 series.

Where to buy the SIEMENS 5SY44068 worldwide?

3G Electric supplies the SIEMENS 5SY44068 supplementary protector to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 6 A, D-curve device.

How to install the SIEMENS 5SY44068 on a DIN rail?

To install the SIEMENS 5SY44068, snap it onto a standard 35 mm DIN rail until it locks. Connect phase conductors to the screw clamp terminals, torquing to the manufacturer's specification. Ensure the D-curve matches your load's inrush characteristics. Always de-energize before installation.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44048)
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SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44048)
SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44028)
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SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44028)
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44108)
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SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44108)
SIEMENS IEC Supplementary Protector: 63 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44638)
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SIEMENS IEC Supplementary Protector: 63 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44638)
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44168)
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SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44168)
SIEMENS IEC Supplementary Protector: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44408)
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SIEMENS IEC Supplementary Protector: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, D, 400V AC (MPN 5SY44408)

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