PRODUCT DESCRIPTION
SIEMENS 3TH4244-0LF4 - SIRIUS 3TH42 Control Relay (Auxiliary Contactor)
This device is a SIEMENS SIRIUS 3TH42 series control relay, engineered for reliable signal processing and switching within industrial control circuits. It functions as an auxiliary contactor, providing multiple switching points for interlocking, sequencing, and status indication in complex automation systems. The unit features a 24V DC coil and an 8-pole contact configuration (4 Normally Open and 4 Normally Closed), making it suitable for integration into PLC-controlled machinery, motor control centers, and safety circuits requiring robust auxiliary switching capabilities.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3TH42
- COMPONENT TYPE: Control Relay (Auxiliary Contactor)
- ELECTRICAL SPECS:
- COIL VOLTAGE: 24V DC
- CONTACT CONFIGURATION: 4 Normally Open (NO) + 4 Normally Closed (NC)
- RATED OPERATIONAL CURRENT (AC-15): 3A at 230V AC (typical for series)
- RATED OPERATIONAL CURRENT (DC-13): 1A at 24V DC (typical for series)
- RATED INSULATION VOLTAGE: 690V AC (typical for series)
- RATED IMPULSE WITHSTAND VOLTAGE: 6kV (typical for series)
- MECHANICAL/PHYSICAL:
- NUMBER OF POLES: 8 (4 NO + 4 NC)
- MOUNTING TYPE: DIN Rail or Screw Mounting
- TERMINAL TYPE: Screw Terminals
- INTERFACE/CONTROL:
- COIL TYPE: DC Operated
- AUXILIARY CONTACTS: Integrated
- ENVIRONMENTAL/MOUNTING:
- OPERATING TEMPERATURE: -25 to +60 degrees C
- PROTECTION CLASS: IP20 (terminals)
- COMPATIBILITY/APPLICATION: Industrial control panels, motor control centers, PLC-based automation systems, safety interlocking circuits, signal processing, sequencing applications.