Siemens Circuit Breaker 63A 2P 10KA curve D 2 modules 5SL42638

Siemens
Siemens
SIE 5SL42638 4001869441498

Siemens Circuit Breaker 5SL42638 2 poles 63A curve D, breaking capacity 10 kA. Ideal for circuits with high inrush currents such as motors, pumps, and transformers.

  • Siemens series 5SL circuit breaker

  • 2 poles 2 DIN modules

  • Rated current: 63 A

  • Curve D: tripping threshold from 10 to 20× In

  • Breaking capacity: 10 kA

  • Insulation voltage: 440 V AC

  • Mechanical endurance: 10,000 cycles

  • Overvoltage category: III

  • Pollution degree: 2

  • Ideal for inductive loads with high starting currents.

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Siemens Circuit Breaker 63A 2P 10KA curve D 2 modules 5SL42638
€46.79
€46.79

€46.79
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€46.79

Buy it within and receive it from Wednesday, 24 December
Two-year warranty
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Siemens Circuit Breaker Curve D: Reliable Protection for Motors and Transformers

The Siemens circuit breaker is designed to protect electrical circuits from overloads and short circuits, ensuring a quick and safe response. The curve D, intended for highly inductive loads, prevents unwanted tripping in the presence of high inrush currents typical of:

  • Electric motors

  • Pumps and compressors

  • Transformers

  • Industrial plants and automation panels

The ability to withstand up to 1020 times the nominal current makes it perfect for professional and industrial applications.

Siemens Construction: Quality and Long Life

Designed to last over time, the device guarantees 10,000 mechanical operating cycles, ensuring reliability even in systems subject to frequent operations.

The DIN rail mounting and 2-module format allow for quick installation in domestic, commercial, and industrial electrical panels.

GENERAL TECHNICAL DATA

Product brand SENTRON
Product name Circuit breaker
Number of poles 2
Pole execution 2 poles
Tripping characteristic class D
Mechanical lifespan 10,000 cycles
Overvoltage category 3
Pollution degree 2


VOLTAGE

Type of operating voltage AC
Type of voltage Use AC or DC only, mixed use not allowed
Insulation voltage (Ui) 440 V (multiphase AC)
Operating current at 30°C 63 A
Operating current at 40°C 59.67 A
Operating current at 55°C 54.29 A
Nominal AC current 63 A


SUPPLY VOLTAGE

AC supply voltage 400 V
Frequency 50 / 60 Hz
Max AC operating voltage 440 V
Max DC operating voltage 62.5 V (peak 72 V)


PROTECTION CLASS

IP protection degree IP20 (with connected conductors)


SWITCHING CAPACITY

Breaking capacity EN 60898 10 kA
Breaking capacity IEC 60947-2 10 kA


DISSIPATION

Power dissipation per pole 5 W


SUITABILITY FOR USE

Applications Residential building / Infrastructure


DETAILS

Protection against accidental contact Yes
Sectionable neutral conductor No
Halogen-free Yes
Sealable product Yes
Silicone-free Sì
Additional mountable devices Yes, flush mountable

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Data sheet

Modules:
2
Poles:
2P
Curve:
D
Breaking capacity:
10KA
Amps:
63A
Circuit Protections:
Circuit breakers
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