Siemens 5SY6220-7 - 20A 2-Pole Molded Case Breaker (400V)
Siemens 5SY6220-7 - 20A 2-Pole Molded Case Breaker (400V)

Siemens 5SY6220-7 - 20A 2-Pole Molded Case Breaker (400V)

Siemens
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Siemens 5SY6220-7 is a 2-pole molded case circuit breaker from the 5SY Series, designed for overcurrent protection using thermal-magnetic technology with LI (long-time and instantaneous) trip functions. It is rated for 20A at 400V with a 6kA interrupting capacity at 400V, and features a feed-thru connection type for straightforward integration into electrical distribution systems. The unit weighs 5.19 lb and is built for DIN rail mounting, with a compact 70 mm frame size and C-curve trip characteristics to ensure precise load protection. This breaker complies with UL, CSA, and IEC standards, making it suitable for commercial and industrial applications requiring reliable circuit isolation and fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Series: 5SY Series
  • Family: SENTRON
  • Poles: 2
  • Phase: 2
  • Current Rating: 20A
  • Voltage Rating: 400V
  • Interrupt Rating: 6kA at 400V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: DIN Rail
  • Frame Size: 70 mm
  • Trip Unit: C-Curve
  • Weight: 5.19 lb
  • Standards: UL, CSA, IEC
  • Application: Commercial, Industrial


Product Identification
  • UPC: 075455493116