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Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V
Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V
Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V
Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V
Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V
Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V

SIEMENS

Siemens 5SY6104-6 Miniature Circuit Breaker 4A, 1-Pole, B-Curve, 6kA, 230/400V Original Brand New

Model / SKU5SY6104-6

High-performance 1-pole Miniature Circuit Breaker (MCB) designed for reliable circuit protection. Featuring a 4A rated current, Type B tripping characteristic, and a 6kA breaking capacity, this 70mm depth unit ensures safety in residential and commercial electrical installations.

Original price was: $18.73.Current price is: $10.07.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SY6104-6 Miniature Circuit Breaker (MCB) is a high-quality electrical protection device designed to safeguard electrical circuits against overloads and short circuits. Engineered for reliability and long service life, this 1-pole MCB features a B-curve tripping characteristic, making it ideal for residential and light commercial applications where sensitive circuit protection is required.

With a rated current of 4A, breaking capacity of 6kA, and compatibility with 230/400 V systems, this Siemens miniature circuit breaker ensures stable performance and enhanced electrical safety in distribution boards and control panels.

Benefit

  • Ensures reliable protection against overloads and short circuits

  • B-curve tripping for sensitive and low-inrush current applications

  • Compact 70 mm depth, saving space in electrical panels

  • High 6kA breaking capacity for increased safety

  • Manufactured by Siemens, a globally trusted electrical brand

  • Easy installation on standard DIN rails

Function

  • Automatically disconnects circuits during fault conditions

  • Protects electrical wiring and connected devices

  • Maintains system stability in residential and commercial power systems

  • Prevents fire hazards caused by electrical overloads

Technical Specification

  • Product Number: 5SY6104-6

  • Brand: Siemens

  • Type: Miniature Circuit Breaker (MCB)

  • Rated Voltage: 230/400 V

  • Rated Current: 4A

  • Breaking Capacity: 6kA

  • Poles: 1-Pole

  • Tripping Curve: B-Curve

  • Depth (D): 70 mm

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Datasheet in PDF

Specifications

SKU / Model5SY6104-6
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles1
design of pole1P
tripping characteristic classB
mechanical service life (switching cycles) / typical10 000
overvoltage categoryIII
degree of pollution3
type of voltage / of the operating voltageAC
insulation voltage (Ui)-
● with single-phase operation / at AC / rated value440 V
● with multi-phase operation / at AC / rated value440 V
supply voltage / with single-phase operation / at AC / rated value230 V
supply voltage-
operating voltage / at DC / rated value / maximum72 V
protection class IPIP20, with connected conductors
switching capacity current-
● at DC / acc. to IEC 60947-2 / rated value15 kA
● acc. to EN 60898 / rated value6 kA
● acc. to IEC 60947-2 / rated value30 kA
energy limitation class3
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole1.5 W
operational current-
● at 35 °C / rated value4 A
● at 40 °C / rated value3.76 A
● at 45 °C / rated value3.63 A
● at 50 °C / rated value3.5 A
● at 55 °C / rated value3.36 A
● at AC / rated value4 A
suitability for operationMechanical engineering / industry
product component / neutral conductor switchingNo
product feature / touch protectionYes
product component-
● combined terminal topYes
● combined terminal bottomYes
product feature-
● properties for main switches in accordance with EN 60204-1Yes
● halogen-freeYes
● sealableYes
● silicon-freeYes
product extension / installable / supplementary devicesYes
breaking capacity short-circuit current (Icn)-
● at AC / acc. to UL 1077 and CSA C22.2 No.2355 kA
connectable conductor cross-section / solid-
connectable conductor cross-section / stranded-
connectable conductor cross-section / finely stranded / with core end processing-
AWG number / as coded connectable conductor cross section-
tightening torque [lbf·in] / with screw-type terminals-
tightening torque / with screw-type terminals-
position / of power supply cordAny
installation depth70 mm
number of modular width units1
fastening methodQuick assembly system
mounting positionany
influence of the surrounding temperaturemax. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C
vibration resistance / acc. to IEC 60068-2-6±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz
ambient temperature / during operation-
ambient temperature / during storage-
● minimum-40 °C
● maximum75 °C
number of test cycles / for environmental testing / acc. to IEC 60068-2-306
reference code-
● acc. to DIN EN 61346-2F
● acc. to IEC 81346-2F
Weight0.157 kg
Dimensions21.00 × 93.00 × 83.00 mm

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