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Siemens 3RV2021-1EA15 - Motor Protection Circuit Breaker 2.8-4A (690VAC, 3-Pole)

Siemens
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Siemens 3RV2021-1EA15 is a molded case motor protection circuit breaker from the Sirius family, designed to safeguard motors in industrial environments. It features a 3-pole configuration with an adjustable current range of 2.8 to 4 amps, operating at a voltage rating of 690 VAC, and includes a magnetic trip unit with a Class 10 trip characteristic. The device is built on the S0 frame series, mounts on a DIN rail with screw terminal connections, and has an IP20 enclosure rating, weighing 1 lb. It complies with industrial standards and is certified for use in 3-phase systems, with a 52 A N release and an interrupt rating of 2 kA. This circuit breaker is typically applied for motor control and protection in manufacturing and process automation.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Family: Sirius
  • Weight: 1 lb
  • Amperage Rating: 2.8 to 4 A
  • Voltage Rating: 690 VAC
  • Number of Poles: 3
  • Frame/Series: S0
  • Interrupt Rating: 2 kA
  • Trip Unit: Magnetic, Class 10
  • Trip Release: 52 A N release
  • Mounting Type: DIN Rail
  • Connection Type: Screw Terminals
  • Auxiliary Contacts: 1NO-1NC
  • Enclosure Type: IP20
  • Wire Size: 16 to 12 AWG
  • Country of Origin: Germany