Siemens 3RT2028-1AN20 SIRIUS Contactor 38A 220V Coil 1NO/1NC Auxiliary

The Siemens 3RT2028-1AN20 is a SIRIUS 3RT20 series power contactor designed for reliable switching of motors, heating elements, and other industrial loads up to 38 amps. This contactor features a 220V AC coil voltage and includes both 1 normally open (1NO) and 1 normally closed (1NC) auxiliary contact for control circuit integration.

Key Specifications:

• Rated operational current: 38A (AC-3 utilization category)
• Coil voltage: 220V AC (50/60 Hz)
• Auxiliary contacts: 1NO + 1NC
• Main pole configuration: 3-pole design for three-phase applications
• Size S2 contactor frame
• Screw terminal connection type
• Snap-on auxiliary contact mounting capability
• Front-mount or 35mm DIN rail installation

Features and Benefits:

• Part of the proven SIRIUS modular system for flexible configuration
• High switching reliability with long mechanical and electrical life
• Compact design saves panel space
• Wide operating temperature range for demanding environments
• Integrated surge suppressor for coil protection
• Compatible with Siemens overload relays and accessories

Ideal for motor control applications in industrial machinery, HVAC systems, pumps, conveyors, and manufacturing equipment. The 3RT20 series contactors meet IEC and UL/CSA standards for worldwide application.