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SIEMENS

Siemens 5SY5220-7 Circuit Breaker 2 Pole, 20A, Type C, 10kA, 400V AC / 440V DC Universal Current Original Brand New

Model / SKU5SY5220-7

High-performance Siemens 5SY5220-7 MCB designed for universal current applications. 2-pole, 20A, 10kA breaking capacity for reliable circuit protection in AC and DC systems

Original price was: $120.75.Current price is: $62.76.
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  • ConditionOriginal Brand New
  • Warranty12 months
  • Genuine Products
  • Up to 1-Year Warranty
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Description

Overview

The Siemens 5SY5220-7 Circuit Breaker is a high-performance miniature circuit breaker (MCB) designed for reliable protection in both AC and DC electrical systems. With a 2-pole configuration, 20A rated current, and Type C tripping characteristic, this circuit breaker ensures safe operation and effective protection against overloads and short circuits in industrial, commercial, and residential applications.

Engineered by Siemens, a global leader in electrical technology, this circuit breaker delivers durability, precision, and compliance with international safety standards.

Benefit

  • Dual AC/DC Compatibility – Supports up to 400V AC and 440V DC

  • Enhanced Safety – 10kA breaking capacity for superior short-circuit protection

  • Reliable Performance – Type C tripping curve ideal for moderate inrush currents

  • Compact & Durable – Space-saving design suitable for control panels and distribution boards

  • Trusted Siemens Quality – Long service life and consistent performance

Function

  • Protects electrical circuits from overload and short-circuit conditions

  • Ensures stable current flow in AC and DC installations

  • Automatically disconnects power during fault conditions

  • Suitable for industrial machinery, automation systems, and power distribution

Technical Specification

  • Product Number: 5SY5220-7

  • Brand: Siemens

  • Rated Current: 20A

  • Number of Poles: 2-Pole

  • Tripping Characteristic: Type C

  • Rated Voltage: 400V AC / 440V DC

  • Breaking Capacity: 10kA

  • Application: Universal current (AC/DC)

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Datasheet in PDF

Specifications

SKU / Model5SY5220-7
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles2
design of pole2P
tripping characteristic classC
mechanical service life (switching cycles) / typical10 000
overvoltage categoryIII
degree of pollution3
type of voltage / of the operating voltageAC/DC
insulation voltage (Ui)-
● with single-phase operation / at AC / rated value440 V
● with multi-phase operation / at AC / rated value440 V
supply voltage-
● at DC / rated value440 V
operating voltage / at DC / rated value / maximum500 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 value10 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 45 °C / rated value18.14 A
● at 50 °C / rated value17.48 A
● at 55 °C / rated value16.8 A
● at 60 °C / rated value16.08 A
● at AC / rated value20 A
suitability for operationuniversal current
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 DC / acc. to EN 60898-210 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 cordAC as required, observe DC polarity
installation depth70 mm
number of modular width units2
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
Weight0.320 kg
Dimensions40.00 × 92.00 × 84.00 mm

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