Siemens Power contactor, 3-pole, size S2, 1NO + 1NC, 40A Part number 3RT2035-1AF00

Product Overview

Siemens Power contactor, 3-pole, size S2, 1NO + 1NC, 40A (3RT2035-1AF00) is a SIRIUS 3RT2 series contactor designed for switching three-phase motors and power circuits in industrial control systems. It provides reliable electrical switching for AC motor loads and general power applications, combining compact size S2 construction with integrated auxiliary contacts for control and monitoring functions.

Key Features

• SIRIUS 3RT2 power contactor
• 3-pole main contact configuration
• Rated operational current: 40 A
• Size S2 frame
• Integrated auxiliary contacts: 1 normally open (NO) and 1 normally closed (NC)
• Designed for three-phase motor and load switching
• Screw terminal connections
• DIN rail or panel mounting

Technical Specifications

• Article Number: 3RT2035-1AF00
• Product Family: SIRIUS 3RT2 contactors
• Device Type: Power contactor
• Size: S2
• Number of Poles: 3
• Main Contacts: 3 NO
• Auxiliary Contacts: 1 NO + 1 NC
• Rated Operational Current (AC-3): 40 A
• Rated Operational Power: Up to 18.5 kW at 400 V AC
• Rated Insulation Voltage: 690 V
• Rated Impulse Withstand Voltage: 6 kV
• Control Coil Voltage: 110 V AC, 50 Hz
• Main Circuit Connection: Screw terminals
• Auxiliary Circuit Connection: Screw terminals
• Protection Degree: IP20
• Degree of Pollution: 3
• Mounting: DIN rail or panel mounting
• Weight (approx.): 1.0 kg

Compliance & Certifications

• Manufactured according to Siemens SIRIUS industrial control standards
• Designed to IEC and EN contactor and motor-starter standards

Applications

The Siemens 3RT2035-1AF00 power contactor is used for switching and controlling three-phase motors, pumps, compressors and other electrical loads in industrial control panels and automation systems. It is suitable for applications requiring reliable 40 A switching capacity with integrated auxiliary contacts for control and feedback.