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  • We import from 70+ official distributors. That is why you pay far less than local retail — and why delivery takes longer. We publish the date before you pay, never after.
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  • We are part of the ITwork group — ten years trading in Europe, nine stores, thousands of positive reviews.
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We are not satisfied with our review scores, and we are not going to fix them by hiding anything. We are fixing them by being faster, clearer and easier to reach than any reason to complain.

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Siemens 5SY45066 5SY4506-6 MCB 6 A 4-Pole C 230/400 V 6 kA

Siemens 5SY45066 5SY4506-6 MCB 6 A 4-Pole C 230/400 V 6 kA
Siemens 5SY45066 5SY4506-6 MCB 6 A 4-Pole C 230/400 V 6 kA
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R1,130
+R3 Reward
Protect your electrical circuits from overload and short-circuit with the Siemens 5SY45066 miniature circuit breaker. This 4-pole MCB with C tripping characteristic is rated at 6 A and 230/400 V AC, providing reliable protection for residential and commercial installations. Its 6 kA breaking capacit... Read More
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Stock 3 Code 3499338 Brand SIEMENS Model 5SY45066 Warranty 2 Years

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Estimated delivery Wednesday, October 7
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Protect your electrical circuits from overload and short-circuit with the Siemens 5SY45066 miniature circuit breaker. This 4-pole MCB with C tripping characteristic is rated at 6 A and 230/400 V AC, providing reliable protection for residential and commercial installations. Its 6 kA breaking capacity ensures safe interruption of fault currents, while the DIN rail mounting allows quick installation in distribution boards.

Who is it for

Electricians, panel builders, and facility managers seeking a dependable circuit breaker for lighting and socket circuits with moderate inrush currents. Ideal for protecting cables and equipment in buildings, industrial control panels, and infrastructure projects.

Main features

  • 4-pole design for three-phase and neutral protection
  • C tripping characteristic: trips between 5 and 10 times rated current, suitable for general loads
  • Rated current 6 A, voltage 230/400 V AC, frequency 50/60 Hz
  • Breaking capacity 6 kA according to IEC 60898-1
  • DIN rail mounting for standard distribution boards
  • Screw terminals accept solid conductors up to 35 mm² and stranded up to 25 mm²

Specifications

  • Rated current: 6 A
  • Number of poles: 4
  • Tripping characteristic: C
  • Rated voltage: 230/400 V AC
  • Rated switching capacity: 6 kA
  • Frequency: 50/60 Hz
  • Mounting type: DIN rail
  • Degree of protection (housing): IP40
  • Degree of protection (terminals): IP20
  • Electrical endurance: 10000 operating cycles
  • Mechanical endurance: 20000 operating cycles
  • Terminal type: Screw terminals
  • Conductor cross-section solid: 0.75 ... 35 mm²
  • Conductor cross-section stranded: 0.75 ... 25 mm²
  • Ambient operating temperature: -25 ... +45 °C
  • Standards: IEC 60898-1

Tips

When selecting a circuit breaker, ensure the rated current matches the expected load and the tripping characteristic suits the inrush current of connected equipment. For circuits with high inrush (motors, transformers), consider a D characteristic; for general lighting and socket circuits, C is appropriate.

Specifications
Brand
SIEMENS
Category
Miniature Circuit Breaker
EAN
4001869182308
Model
5SY45066
MPN
5SY45066
Producer product family
5SY
Producer product name
5SY45066 5SY4506-6 Leitungsschutzschalter 6 A 230 V 400 V
Product type
Miniature Circuit Breaker
Weight
0.48 kg
Price history over the last 6 months
Siemens 5SY45066 5SY4506-6 MCB 6 A 4-Pole C 230/400 V 6 kA
Current
R1,130
Lowest
R1,100
Highest
R1,130
Change 24H
+R30   +3%
Week
—   
Month
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