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SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp - A-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SIEMENS IECA-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 (MPN 5SY44155) is a 4-pole, A-Curve, UL1077 DIN rail-mount supplementary protector rated at 1.6 A. It features a screw clamp connection and is rated for 72V DC and 10kA at 400V…

SKU 3G-OTH-127935

Brand
SIEMENS IEC
Item
Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
Category
A-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

SIEMENS IEC
Manufacturer Part Number
5SY44155
Type
10kA at 400V AC, Screw Clamp, A
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 5SY44155) is a 4-pole, A-Curve, UL1077 DIN rail-mount supplementary protector rated at 1.6 A. It features a screw clamp connection and is rated for 72V DC and 10kA at 400V AC, part of the 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 5SY44155 used for?

The SIEMENS IEC Supplementary Protector 5SY44155 is used to protect downstream equipment against overcurrents and short circuits in industrial control panels, HVAC systems, and automation applications. Its A-Curve trip characteristic suits resistive loads and low-inrush circuits. It mounts on a DIN rail and meets UL1077 standards for supplementary protection.

What are the specifications of the SIEMENS 5SY44155 supplementary protector?

The SIEMENS 5SY44155 is a 4-pole, A-Curve supplementary protector rated at 1.6 A. It has a screw clamp connection, a DC voltage rating of 72V DC, and an interrupting capacity of 10kA at 400V AC. It is part of the 5SY4 series and designed for DIN rail mounting per UL1077.

Where to buy the SIEMENS 5SY44155 supplementary protector worldwide?

You can source the SIEMENS 5SY44155 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; we supply genuine SIEMENS IEC components for industrial applications.

How to install the SIEMENS 5SY44155 supplementary protector on a DIN rail?

To install the SIEMENS 5SY44155, snap it onto a standard 35 mm DIN rail until it locks. Connect phase conductors to the screw clamp terminals using a screwdriver, tightening to the torque specified on the device label. Ensure the circuit is de-energized before installation. Follow SIEMENS guidelines for proper wire stripping and bending radius.

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 a-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: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44135). 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, A, 400V AC (MPN 5SY44635). 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, A, 400V AC (MPN 5SY44105). 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, A, 400V AC (MPN 5SY44505). 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, A, 400V AC (MPN 5SY44205). 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, A, 400V AC (MPN 5SY44325). 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, A, 400V AC (MPN 5SY44325). Key specifications — attr216783: 5SY4; attr195822: 72V DC; attr195823: 10kA at 400V AC; attr195824: Screw Clamp; attr211130: SIEMENS.