Siemens Industrial Controls 3RT2035-1AK60 SIRIUS 3-Pole Power Contactor 40A 110/120V Coil

The Siemens SIRIUS 3RT2035-1AK60 is a 3-pole IEC rated power contactor designed for control of electric motors in industrial applications. This Size S2 contactor features 1 normally open (NO) and 1 normally closed (NC) base-mounted auxiliary contact, providing versatile control capabilities for demanding motor control systems.

Electrical Specifications:

• Coil voltage rating: 110V AC at 50Hz / 120V AC at 60Hz
• Current rating: 40 amps at AC-3 duty
• Rated power: 18.5 kW at 400V AC (AC-3)
• Horsepower ratings: 15 HP at 230V, 30 HP at 460V, 40 HP at 575V (3-phase)
• Rated impulse voltage: 6 kV

Construction and Mounting:

• Screw terminal connections with screw/snap-on mounting capability
• Mounts on standard 35mm DIN rail
• IP20/IP00 enclosure rating
• Operating temperature range: -25 to 60°C
• Rated for 10,000,000 operating cycles

Features and Compatibility:

• Compatible with full range of accessories including thermal and solid state overload relays
• Accepts front and side-mounted auxiliary contacts
• Suitable for use in any climate and safe from touch to DIN VDE 0106 Part 100
• Electrical and dimensional replacement for obsolete 3RT1035-1AK60

The 3RT2035-1AK60 is part of the Siemens SIRIUS 3RT2 series, providing reliable motor switching for industrial machinery, HVAC systems, pumps, and automated production equipment.