PRODUCT DESCRIPTION
SIEMENS 42BF35AJ - Power Contactor
This component is a SIEMENS SIRIUS 3RT series power contactor, designed for the reliable switching of three-phase AC motors and resistive loads in industrial control circuits. It facilitates motor starting, stopping, and protection within automation systems, commonly deployed in machinery, HVAC systems, and material handling applications. The device operates via an electromagnetically actuated control circuit.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (AC-3): 35A
- RATED OPERATIONAL VOLTAGE: Up to 690V AC
- RATED OPERATIONAL POWER (AC-3, 400V): 18.5 kW (typical for 35A contactors)
- PHASE: 3-Phase
- FREQUENCY: 50/60 Hz
- CONTROL CIRCUIT VOLTAGE: Configurable, specific variant not encoded in 'AJ' suffix
- MECHANICAL/PHYSICAL:
- POLES: 3-Pole Main Contacts
- AUXILIARY CONTACTS: Configurable (e.g., 1 NO + 1 NC), specific variant not encoded in 'AJ' suffix
- FORM FACTOR: Industrial Contactor, DIN rail mountable
- INTERFACE/CONTROL:
- CONTROL: Electromagnetically actuated coil
- FEEDBACK: Optional auxiliary contacts for status indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (for open panel installation)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: 35mm DIN rail or screw mounting
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Motor control circuits, resistive load switching, industrial automation systems, pumps, conveyors, HVAC systems