Siemens 3TX71121FF13C - Auxiliary Contact Block, 1NO, 10A
Siemens 3TX71121FF13C - Auxiliary Contact Block, 1NO, 10A

Siemens 3TX71121FF13C - Auxiliary Contact Block, 1NO, 10A

Siemens
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The Siemens 3TX71121FF13C is a compact auxiliary contact block designed for integration with Siemens contactors and relays to provide additional switching functions. This component operates with a rated insulation voltage of up to 690V AC and supports a conventional thermal current of 10A, with a rated operational current of 6A at 400V AC for utilization category AC-15. The device features a screw-type terminal connection, a single-pole normally open (NO) contact configuration, and is housed in a durable plastic enclosure with a width of 45mm, suitable for front mounting. It complies with IEC 60947-5-1 standards and is rated for a temperature range of -25°C to +55°C. Typical applications include use in industrial control panels, motor control centers, and automation systems for signal feedback and interlocking circuits.

Key Features & Specifications
  • Type: Auxiliary contact block, plastic housing, screw terminals
  • Voltage Rating: 690V AC (insulation)
  • Current Rating: 10A (thermal), 6A at 400V AC (AC-15)
  • Dimensions: 45mm width
  • Standards: IEC 60947-5-1
  • Applications: Industrial control panels, motor control centers, automation systems
  • Switch Type: Auxiliary contact
  • Configuration: 1 normally open (NO)
  • Coil Voltage Maximum: Not applicable (auxiliary contact)
  • Temp Rating: -25°C to +55°C
  • Shipping Dimensions: Not specified
  • Phase: Not applicable
  • Voltage: 690V AC (insulation)
  • Amperage: 10A (thermal), 6A (operational at 400V AC)
  • AIC rating: Not applicable
  • Connection: Screw terminals
  • Poles: 1
  • Protection: Not specified
  • Functions: Signal feedback, interlocking
  • Frame Size: Not applicable
  • 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: Not applicable
  • 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 mounting
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: 1 NO
  • 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: 10A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Auxiliary contact
  • Wire Size: Not specified
  • Certification: IEC 60947-5-1
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: Not specified
  • Phase Connection: Not applicable
  • Standards: IEC 60947-5-1
  • Compatible Frames: Siemens contactors and relays
  • Installation Type: Front mounting
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 10A
  • 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: 55
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 75455497021
  • GTIN: 00754554970219