Siemens 3TX71443L6 - Auxiliary Contact Block 10A 600V
Siemens 3TX71443L6 - Auxiliary Contact Block 10A 600V

Siemens 3TX71443L6 - Auxiliary Contact Block 10A 600V

Siemens
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Siemens 3TX71443L6 is a circuit breaker accessory designed for auxiliary contact and signaling functions in industrial control systems. This component operates with a rated insulation voltage of 690V AC and a conventional thermal current of 10A, supporting control circuits up to 600V AC. The unit weighs 5.19 lb and is constructed as a compact, modular accessory for integration with Siemens 3TF and 3TH contactors and relays. It complies with IEC 60947-5-1 standards for low-voltage switchgear and controlgear. Typical applications include motor control centers, conveyor systems, and automated manufacturing lines requiring reliable status indication and interlocking.

Key Features & Specifications
  • Type: Auxiliary contact block for Siemens contactors/relays
  • Voltage Rating: 690V AC (insulation), 600V AC (control)
  • Current Rating: 10A (conventional thermal current)
  • Dimensions: Compact modular design for DIN rail mounting
  • Standards: IEC 60947-5-1
  • Applications: Motor control, conveyor systems, automated manufacturing
  • Switch Type: Auxiliary contact
  • Configuration: 1 NO + 1 NC
  • Coil Voltage Maximum: 600V AC
  • Temp Rating: -25°C to +55°C
  • Shipping Dimensions: 4.5 x 3.5 x 2.0 inches
  • Phase: Single
  • Voltage: 600V AC max
  • Amperage: 10A
  • AIC rating: Not applicable (auxiliary device)
  • Connection: Screw terminals
  • Poles: 2
  • Protection: Overload and short-circuit via upstream device
  • Functions: Signaling, interlocking, status indication
  • Frame Size: Compact
  • Trip Type: Not applicable
  • Panel Type: Not applicable
  • Breaker Type: Auxiliary contact
  • Control Voltage Minimum: 24V AC
  • Control Voltage Maximum: 600V AC
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 85°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: DIN rail
  • Hz: 50/60
  • Coil Material: Copper
  • 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: Open type
  • Relay Style: Not applicable
  • Coil Voltage Minimum: 24V AC
  • Wire: 14-22 AWG
  • Amperage Maximum: 10A
  • Amperage Minimum: 0.1A
  • Nema Rating: Not applicable
  • Switch Style: Auxiliary
  • Wire Size: 14-22 AWG
  • Certification: CE, UL, CSA
  • Circuit Breaker Mounting Style: DIN rail
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: IEC 60947-5-1
  • Compatible Frames: 3TF, 3TH series
  • Installation Type: Modular
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 10A
  • 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: 55°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 75455475994
  • GTIN: 00754554759944