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SIEMENS IEC Supplementary Protector: 63 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: 63 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 5SY44635, MPN 5SY44635) is a 63 A, A-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 72V DC and 10kA at 400V AC, with…

SKU 3G-OTH-127873

Brand
SIEMENS IEC
Item
Supplementary Protector: 63 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
5SY44635
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 (SKU 5SY44635, MPN 5SY44635) is a 63 A, A-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 72V DC and 10kA at 400V AC, with screw clamp terminals.

Frequently Asked Questions

What is the SIEMENS IEC Supplementary Protector 5SY44635 used for?

The SIEMENS IEC Supplementary Protector 5SY44635 is used for overcurrent protection in industrial control panels, HVAC equipment, and machinery. Its A-Curve trip characteristic suits resistive loads and low-inrush circuits. It mounts on a DIN rail and is rated for 400V AC and 72V DC systems.

What are the specifications of the SIEMENS 5SY44635 supplementary protector?

The SIEMENS 5SY44635 is a 63 A, A-Curve, 4-Pole supplementary protector from the 5SY4 series. It is rated for 72V DC and 10kA at 400V AC, with screw clamp terminals. It is UL1077 listed and designed for DIN rail mounting.

Where to buy the SIEMENS 5SY44635 supplementary protector worldwide?

You can source the SIEMENS 5SY44635 supplementary protector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install the SIEMENS 5SY44635 supplementary protector?

To install the SIEMENS 5SY44635, snap it onto a standard DIN rail. Ensure the supply is off. Connect phase conductors to the screw clamp terminals (rated for 400V AC) and tighten to the specified torque. For DC applications (72V DC), observe polarity if required by the circuit.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44085)
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SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44085)
SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44065)
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SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44065)
SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44155)
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SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44155)
SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44045)
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SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44045)
SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44035)
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SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, A, 400V AC (MPN 5SY44035)

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