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Siemens 3RT20271AC20 - Contactor 24V AC/DC 12A (3-Pole Screw)

Siemens
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Siemens 3RT20271AC20 is a motor control contactor designed for switching and protecting three-phase motors in industrial automation systems. This device operates with a control voltage of 24 V AC/DC and is rated for a current of up to 12 A, supporting motor loads up to 5.5 kW at 400 V AC. The contactor features a compact, screw-type terminal design with dimensions of 3.622 x 2.126 x 4.154 inches and weighs 0.917 lb, constructed with durable materials for reliable performance in harsh environments. 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, fans, and other industrial machinery requiring dependable motor control.

Key Features & Specifications
  • Type: 3-pole contactor, screw connection, size S0
  • Voltage Rating: 24 V AC/DC (control voltage)
  • Current Rating: 12 A (AC-3)
  • Dimensions: 3.622 x 2.126 x 4.154 inch
  • Standards: REACH Art 33, WEEE (2012/19/EU)
  • Applications: Motor control for pumps, fans, conveyors, and industrial machinery
  • Switch Type: Contactor
  • Configuration: 3-pole, normally open main contacts
  • Coil Voltage Maximum: 24 V AC/DC
  • Temp Rating: -25 to 60 °C
  • Shipping Dimensions: 3.622 x 2.126 x 4.154 inch
  • Phase: 3-phase
  • Voltage: 400 V AC (rated insulation voltage)
  • Amperage: 12 A
  • AIC rating: Not specified
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload relay compatible
  • Functions: Motor switching and control
  • Frame Size: S0
  • Trip Type: Not applicable (contactor)
  • Panel Type: Not specified
  • Breaker Type: Not applicable
  • Control Voltage Minimum: 24 V AC/DC
  • Control Voltage Maximum: 24 V AC/DC
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not applicable
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not specified
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not specified
  • Mounting: DIN rail or screw mounting
  • Hz: 50/60 Hz
  • Coil Material: Not specified
  • Horse Power: 5.5 kW at 400 V AC
  • Aux Contacts: 1 normally open + 1 normally closed
  • CPT: Not specified
  • Full Load Amps: 12 A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 12 A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open type
  • Relay Style: Not applicable
  • Coil Voltage Minimum: 24 V AC/DC
  • Wire: Not specified
  • Amperage Maximum: 12 A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Contactor
  • Wire Size: 1.5 to 6 mm²
  • Certification: REACH Art 33, WEEE (2012/19/EU)
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: REACH Art 33, WEEE (2012/19/EU)
  • Compatible Frames: S0
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not applicable
  • Current Rating: 12 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 60 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 066264391567
  • GTIN: 00662643915679