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SIEMENS

Siemens 5SY4220-7 Miniature Circuit Breaker 2-Pole, 20A, C-Type, 400V, 10kA Original Brand New

Model / SKU5SY4220-7

High-reliability 2-pole miniature circuit breaker designed for superior circuit protection. Featuring a 20A rated current, Type C tripping characteristic, and a 10kA breaking capacity, this 400V MCB ensures safety and durability in industrial and residential applications.

Original price was: $73.10.Current price is: $38.00.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
  • Genuine Products
  • Up to 1-Year Warranty
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Description

Overview

The Siemens 5SY4220-7 Miniature Circuit Breaker (MCB) is designed to deliver superior electrical safety for residential, commercial, and industrial applications. With a rated current of 20A and 2-pole configuration, this compact MCB ensures reliable protection against overloads and short circuits in circuits up to 400V. Its C-type trip characteristic provides optimal protection for general-purpose circuits.

Product Features / Function

  • Overload Protection: Thermal tripping mechanism for consistent protection against sustained overcurrent.

  • Short-Circuit Protection: Instantaneous electromagnetic tripping (Type C) for handling sudden high-current faults.

  • Manual Switching: Ergonomic handle allows for easy manual isolation of the circuit during maintenance.

Benefit

  • Enhanced Safety: Provides reliable disconnection in the event of a fault, preventing damage to downstream equipment.

  • High Breaking Capacity: Rated for 10kA, making it suitable for environments with high prospective short-circuit currents.

  • Ease of Installation: Designed for tool-free mounting on DIN rails, significantly reducing installation time.

  • Global Standards: Complies with international safety standards, ensuring quality and peace of mind for global projects.

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Datasheet in PDF

Specifications

SKU / Model5SY4220-7
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
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 value10 kA
● acc. to IEC 60947-2 / rated value20 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 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 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
Vibration and Shock-
Weight0.322 kg
Dimensions40.00 × 92.00 × 84.00 mm

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