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Siemens 3RT20271BB40 - Contactor 24VAC/DC 12A (3-Pole)

Siemens
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Siemens 3RT20271BB40 is a motor control contactor designed for switching and protecting three-phase motors in industrial applications. This device operates with a control voltage of 24 V AC/DC and is rated for a current of up to 12 A, suitable for motor loads up to 5.5 kW at 400 V. The contactor features a compact design with dimensions of 3.622 x 2.126 x 4.547 inches and a weight of 1.347 lb, constructed with durable materials for reliable performance. It complies with REACH Art 33 and WEEE (2012/19/EU) standards, ensuring environmental and safety regulations are met. Typical applications include conveyor systems, pumps, and fans in manufacturing and process industries.

Key Features & Specifications
  • Type: Contactor, 3-pole, screw connection
  • Voltage Rating: 24 V AC/DC (coil)
  • Current Rating: 12 A (AC-3)
  • Dimensions: 3.622 x 2.126 x 4.547 inch
  • Standards: REACH Art 33, WEEE (2012/19/EU)
  • Applications: Motor control for conveyors, pumps, fans
  • Switch Type: Contactor
  • Configuration: 3-pole, normally open
  • Coil Voltage Maximum: 24 V AC/DC
  • Temp Rating: -25 to 60 °C
  • Shipping Dimensions: 3.622 x 2.126 x 4.547 inch
  • Phase: 3
  • Voltage: 400 V (main circuit)
  • Amperage: 12 A
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload relay compatible
  • Functions: Motor switching and control
  • Frame Size: S0
  • Mounting: DIN rail or screw
  • Hz: 50/60 Hz
  • Coil Material: Copper
  • Horse Power: 5.5 kW at 400 V
  • Aux Contacts: 1 NO + 1 NC
  • Enclosure: Open type
  • Relay Style: Thermal overload relay compatible
  • Wire Size: 1.5 to 4 mm²
  • Certification: REACH Art 33, WEEE (2012/19/EU)
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: IEC 60947-4-1
  • Installation Type: Panel or DIN rail
  • Item QTY: 1
  • Nema Starter Size: 0
  • Current Rating: 12 A
  • Operating Temperature Maximum Celsius: 60 °C


Product Identification
  • UPC: 662643915853