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Siemens 5SY6120-7 Miniature Circuit Breaker 1-Pole, 20A, Type C, 6kA
Siemens 5SY6120-7 Miniature Circuit Breaker 1-Pole, 20A, Type C, 6kA
Siemens 5SY6120-7 Miniature Circuit Breaker 1-Pole, 20A, Type C, 6kA
Siemens 5SY6120-7 Miniature Circuit Breaker 1-Pole, 20A, Type C, 6kA
Siemens 5SY6120-7 Miniature Circuit Breaker 1-Pole, 20A, Type C, 6kA

SIEMENS

Siemens 5SY6120-7 Miniature Circuit Breaker 1-Pole, 20A, Type C, 6kA Original Brand New

Model / SKU5SY6120-7

High-performance 1-pole miniature circuit breaker designed for 230/400 V systems. Featuring a 20A rated current and a Type C tripping characteristic, it provides reliable protection against overloads and short circuits in residential and industrial applications.

Original price was: $24.15.Current price is: $12.55.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SY6 series is engineered for durability and precision. The 5SY6120-7 model offers a compact 70mm mounting depth, making it an ideal choice for standard distribution boards. With a 6kA breaking capacity, it ensures the safety of your electrical installations by quickly interrupting fault currents.

Key Benefit

  • Enhanced Safety: Provides superior protection for cables and electrical components against short circuits and thermal overloads.

  • Compact Design: The 70mm installation depth allows for easy integration into shallow enclosures and distribution panels.

  • Reliable Performance: Manufactured by Siemens to meet rigorous international safety standards (IEC/EN).

  • Ease of Installation: Features user-friendly terminals for quick and secure wiring.

Function & Features

  • Tripping Characteristic C: Ideal for circuits with higher inrush currents, such as motors and lighting groups.

  • 1-Pole Configuration: Designed for single-phase circuit protection.

  • 6kA Breaking Capacity: High interrupt rating suitable for most residential and commercial electrical environments.

  • Versatile Voltage Range: Fully operational at 230/400 V AC.

Technical Specification

  • Product Number: 5SY6120-7

  • Voltage Rating: 230/400 V

  • Breaking Capacity: 6kA

  • Number of Poles: 1-Pole

  • Tripping Curve: C

  • Rated Current: 20 A

  • Depth (D): 70 mm

  • Product Type: Miniature Circuit Breaker (MCB)

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Datasheet in PDF

Specifications

SKU / Model5SY6120-7
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles1
design of pole1P
tripping characteristic classC
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 value15 kA
energy limitation class3
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole1.7 W
operational current-
● at 35 °C / rated value20 A
● at 40 °C / rated value18.78 A
● at 45 °C / rated value18.14 A
● at 50 °C / rated value17.48 A
● at 55 °C / rated value16.8 A
● at AC / rated value20 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
Weight0.154 kg
Dimensions21.00 × 93.00 × 83.00 mm

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