PRODUCT DESCRIPTION
SIEMENS 3RF2420-1AC55 - Solid-State Contactor
The SIEMENS 3RF2420-1AC55 is a SIRIUS 3RF2 series solid-state contactor engineered for wear-free, high-frequency switching of single-phase AC loads. Utilizing zero-point switching technology, this device provides precise and reliable control for resistive heating elements, industrial lighting systems, and temperature regulation applications. It is designed for integration into industrial control panels requiring extended operational lifespan and minimal maintenance.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RF2 Solid-State Switching Devices
- COMPONENT TYPE: Solid-State Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (Ie): 20A
- RATED OPERATIONAL VOLTAGE (Ue): 24-480V AC
- CONTROL VOLTAGE: 110-230V AC/DC
- PHASE: 1-phase
- SWITCHING PRINCIPLE: Zero-point switching
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact industrial module with integrated heatsink
- TERMINALS: Screw terminals
- INTERFACE/CONTROL:
- CONTROL INPUT: AC/DC voltage signal
- STATUS INDICATION: Integrated LED
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection via integrated heatsink
- MOUNTING STYLE: DIN rail or screw mounting
- COMPATIBILITY/APPLICATION:
- LOAD TYPE: Resistive loads (AC-51), limited inductive loads (AC-53)
- APPLICATIONS: Industrial heating systems, temperature control, lighting circuits, valve actuation, general AC load switching in automation panels