PRODUCT DESCRIPTION
SIEMENS 3TY2741-2J - 3-Pole Power Contactor
The SIEMENS 3TY2741-2J is a 3-pole power contactor from the SIRIUS 3TY series, engineered for reliable electromechanical switching of three-phase AC loads in industrial control applications. It features a 230V AC control coil and is designed for integration into motor control centers, HVAC systems, and general industrial automation panels requiring robust load switching capabilities. This component facilitates the control of motors, resistive heating elements, and lighting circuits within industrial electrical systems.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3TY Series
- COMPONENT TYPE: 3-Pole Power Contactor
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL VOLTAGE (MAIN CIRCUIT): Up to 690V AC
- NOMINAL OPERATIONAL CURRENT (AC-3): 40A (for motors up to 18.5kW at 400V)
- NOMINAL OPERATIONAL CURRENT (AC-1): 60A (for resistive loads)
- COIL VOLTAGE: 230V AC, 50/60Hz
- NUMBER OF POLES: 3 Main Poles
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Open-type contactor, suitable for panel mounting
- AUXILIARY CONTACTS: Integrated auxiliary contacts (specific configuration determined by '-2J' suffix)
- INTERFACE/CONTROL:
- CONTROL INTERFACE: Electrically actuated coil for switching main contacts
- FEEDBACK: Auxiliary contacts provide status indication for control circuits
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Screw mounting on mounting plate or DIN rail (with appropriate adapter)
- PROTECTION RATING: IP20 (finger-safe terminals, typical for open contactors within enclosures)
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial motor control centers, pump control, HVAC systems, lighting systems, resistive heating applications
- COMPATIBILITY: Designed for integration into control panels and electrical enclosures, often utilized as a replacement or upgrade for legacy 3TF series contactors