PRODUCT DESCRIPTION
SIEMENS 3RF3403-1BD04 - Solid-State Contactor
This SIEMENS SIRIUS 3RF34 series solid-state contactor, part number 3RF3403-1BD04, is engineered for wear-free switching of 3-phase resistive loads in industrial automation. It provides precise, silent, and high-frequency switching capabilities for applications such as industrial heating, lighting systems, and temperature control loops. The unit integrates into control architectures via a 24V DC control input, offering enhanced operational longevity compared to electromechanical contactors.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RF34
- COMPONENT TYPE: Solid-State Contactor, 3-Phase
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE (Ue): 48 - 480 V AC
- RATED OPERATIONAL CURRENT (Ie): 3 A
- RATED OPERATIONAL POWER (for resistive loads): Approximately 2.5 kW at 480 V AC
- CONTROL SUPPLY VOLTAGE (Us): 24 V DC
- OPERATIONAL FREQUENCY: 50/60 Hz
- SWITCHING PRINCIPLE: Zero-point switching
- MECHANICAL/PHYSICAL:
- TERMINAL TYPE: Screw terminals
- FORM FACTOR: Compact industrial module for control cabinet integration
- INTERFACE/CONTROL:
- CONTROL INPUT: Digital DC input
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals)
- MOUNTING STYLE: DIN rail or screw mounting
- COOLING METHOD: Natural convection
- OPERATING TEMPERATURE RANGE: -25 to +60 degrees Celsius
- COMPATIBILITY/APPLICATION:
- TARGET LOADS: 3-phase resistive loads (e.g., heating elements, incandescent lamps)
- APPLICATIONS: Industrial heating systems, lighting control, temperature regulation, general industrial switching requiring high cycle rates or silent operation.