Siemens 3RT19755AP31 - Auxiliary Switch Block 10A
Siemens 3RT19755AP31 - Auxiliary Switch Block 10A

Siemens 3RT19755AP31 - Auxiliary Switch Block 10A

Siemens
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Siemens 3RT19755AP31 is a compact auxiliary switch block designed for use with SIRIUS 3RT2 contactors and 3RH2 contactor relays to provide additional signaling or control functions. It operates with a rated insulation voltage of up to 690 V AC and supports a conventional thermal current of up to 10 A, with a rated operational current of 6 A at 400 V AC for utilization category AC-15. The device features a robust plastic enclosure with screw-type terminals, weighs 2.65 lb, and is designed for front mounting on the contactor. It complies with IEC 60947-5-1 and UL/CSA standards, ensuring reliable performance in global industrial environments. Typical applications include motor control centers, conveyor systems, and automated machinery requiring auxiliary contact expansion.

Key Features & Specifications
  • Type: Auxiliary switch block, front-mounted, screw terminal connection
  • Voltage Rating: 690 V AC (rated insulation voltage)
  • Current Rating: 10 A (conventional thermal current), 6 A at 400 V AC (AC-15)
  • Dimensions: Not specified; weight 2.65 lb
  • Standards: IEC 60947-5-1, UL, CSA
  • Applications: Motor control, conveyor systems, automated machinery
  • Switch Type: Auxiliary contact block
  • Configuration: 1 NO + 1 NC (typical for this series)
  • Coil Voltage Maximum: Not applicable (auxiliary block)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Not applicable
  • Voltage: 690 V AC
  • Amperage: 10 A
  • AIC rating: Not applicable
  • Connection: Screw terminals
  • Poles: 2 (1 NO + 1 NC)
  • Protection: Not specified
  • Functions: Auxiliary signaling/control
  • Frame Size: SIRIUS 3RT2/3RH2 compatible
  • Trip Type: Not applicable
  • Panel Type: Not applicable
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Plastic enclosure
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Front mount on contactor
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: 1 NO + 1 NC
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Plastic
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 10 A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Auxiliary block
  • Wire Size: Not specified
  • Certification: IEC, UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Not applicable
  • Standards: IEC 60947-5-1
  • Compatible Frames: 3RT2, 3RH2
  • Installation Type: Front mounting
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 10 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 75455477443
  • GTIN: 00754554774435