PRODUCT DESCRIPTION
SIEMENS 3RT20271AN20 - Power Contactor
This device is a SIEMENS SIRIUS 3RT2 series power contactor, size S0, engineered for switching three-phase AC motor loads and resistive loads in industrial control applications. It provides electromechanical switching for motors, heating elements, and lighting systems, designed for integration into automation architectures requiring robust load control. The unit features a 230VAC 50/60Hz coil and one normally open auxiliary contact for status indication or interlocking.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT2
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (AC-3, 400V): 17 A
- RATED OPERATIONAL POWER (AC-3, 400V): 7.5 kW
- RATED OPERATIONAL CURRENT (AC-1, 400V): 35 A
- NUMBER OF POLES: 3 Main Poles
- COIL VOLTAGE: 230 VAC, 50/60 Hz
- MECHANICAL/PHYSICAL:
- AUXILIARY CONTACTS: 1 Normally Open (NO)
- TERMINATION TYPE: Screw Terminals
- FRAME SIZE: S0
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical, AC operated coil
- FEEDBACK: Integrated 1NO auxiliary contact for status or interlocking
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: 35mm DIN Rail or Screw Mounting
- OPERATING TEMPERATURE RANGE: -25 to +60 degrees Celsius
- PROTECTION RATING: IP20 (Terminals)
- COMPATIBILITY/APPLICATION:
- TARGET APPLICATIONS: Switching of three-phase AC motors, resistive loads, heating systems, lighting circuits in industrial environments
- SYSTEM INTEGRATION: Compatible with SIEMENS SIRIUS modular system components, including overload relays and additional auxiliary switches