PRODUCT DESCRIPTION
SIEMENS 3TH4271-0BB4 - Auxiliary Contactor
This device is an auxiliary contactor from the SIEMENS SIRIUS 3TH4 series, engineered for reliable signal switching within industrial control circuits. It provides expanded contact capacity for interlocking, signaling, and sequence control functions in complex automation systems. Its electromechanical design ensures robust operation in PLC-based systems, motor control centers, and general industrial machinery requiring precise control logic.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3TH4
- COMPONENT TYPE: Auxiliary Contactor
- ELECTRICAL SPECS:
- COIL VOLTAGE: 24V DC
- CONTACT CONFIGURATION: 7 Normally Open (NO), 1 Normally Closed (NC)
- RATED OPERATIONAL CURRENT (AC-15, 230V): 6A
- RATED OPERATIONAL CURRENT (DC-13, 24V): 1A
- RATED INSULATION VOLTAGE: 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- MECHANICAL/PHYSICAL:
- NUMBER OF POLES: 8
- MOUNTING TYPE: DIN Rail 35mm or Screw Mounting
- TERMINAL TYPE: Screw Terminals
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical Coil Actuation
- AUXILIARY CONTACTS: Integrated for control circuit signaling
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP00 (Main Body)
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees Celsius
- MOUNTING POSITION: Vertical, with permissible tilt
- COMPATIBILITY/APPLICATION:
- CONTROL SYSTEMS: PLC-based control circuits, relay logic systems
- APPLICATIONS: Motor control centers, machine tools, conveyor systems, HVAC systems, general industrial control panels for interlocking and signaling functions.