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SIEMENS IEC Supplementary Protector: 4 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: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 30XV85, MPN 5SY44048) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 4 A Amps. It features a 72V DC rating and a breaking capacity of 10kA at…

SKU 3G-OTH-154300

Brand
SIEMENS IEC
Item
Supplementary Protector: 4 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
5SY44048
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 30XV85, MPN 5SY44048) is a D-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 4 A Amps. It features a 72V DC rating and a breaking capacity of 10kA 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 5SY44048 used for?

The SIEMENS 5SY44048 is a D-curve, 4-pole supplementary protector rated at 4 A and 72V DC. It protects sensitive equipment against overloads and short circuits in industrial control panels, HVAC systems, and automation applications. Its UL1077 listing makes it suitable for branch-circuit protection in North American installations.

What are the specifications of the SIEMENS 5SY44048 supplementary protector?

The SIEMENS 5SY44048 is a 4 A, D-curve, 4-pole supplementary protector with a 72V DC rating and a breaking capacity of 10kA at 400V AC. It uses screw-clamp terminals and is part of the 5SY4 series. It mounts on a DIN rail and is UL1077 listed for industrial use.

Where to buy the SIEMENS 5SY44048 supplementary protector worldwide?

3G Electric supplies the SIEMENS 5SY44048 supplementary protector worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine SIEMENS components for industrial applications.

How to install the SIEMENS 5SY44048 supplementary protector?

Install the SIEMENS 5SY44048 on a standard DIN rail by snapping it into place. Connect wires to the screw-clamp terminals using a screwdriver, ensuring torque meets SIEMENS specifications. Verify the system is de-energized before installation. Follow local electrical codes and the manufacturer's instructions for safe operation.

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: 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: 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: 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: 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: 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.
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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.
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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.