Siemens Contactor, 3-pole, size S0, 1NO + 1NC, 15kW Part number 3RT2027-1AF00

Product Overview

Siemens 3RT2027-1AF00 is a SIRIUS 3RT2 series power contactor designed for switching three-phase AC motors and electrical loads in industrial control systems. This 3-pole device with size S0 construction features a 110 V AC control coil, integrated auxiliary contacts and robust switching performance up to 32 A at AC-3 duty. It is suited for motor control, load switching and automation applications where reliable make/break capacity is required.

Key Features

• SIRIUS 3RT2 power contactor
• Size S0 compact design
• 3-pole main contactor
• Rated operational current 32 A (AC-3)
• Rated motor power up to 15 kW at 400 V AC
• Control coil voltage: 110 V AC, 50 Hz
• Auxiliary contacts: 1 normally open (NO) and 1 normally closed (NC)
• Screw-type terminal connections for main and auxiliary circuits
• DIN-rail or panel mounting flexibility

Technical Specifications

• Article Number: 3RT2027-1AF00
• Product Family: SIRIUS 3RT2 contactors
• Device Type: Power contactor
• Size: S0
• Number of Main Poles: 3
• Auxiliary Contacts: 1 NO + 1 NC
• Rated Control Supply Voltage (Uc): 110 V AC, 50 Hz
• Control Coil Operating Range: 0.8…1.1 × Uc
• Rated Operational Current (AC-3): 32 A
• Rated Operational Power: 15 kW at 400 V AC
• Rated Insulation Voltage (Ui): 690 V
• Surge Withstand Voltage (Uimp): 6 kV
• Main Circuit Connection: Screw-type terminals
• Auxiliary Circuit Connection: Screw-type terminals
• Mechanical Service Life: approx. 10 000 000 operations
• Operating Temperature Range: –25 °C to +60 °C
• Storage Temperature Range: –55 °C to +80 °C
• Protection Class: IP20 (touch-protected on front)
• Dimensions (approx.): Height: 85 mm, Width: 45 mm, Depth: 97 mm
• Net Weight (approx.): 0.423 kg

Compliance & Certifications

• Manufactured to Siemens industrial control quality standards
• Designed and tested according to IEC/EN contactor and motor control specifications

Applications

The Siemens 3RT2027-1AF00 power contactor is used for switching and controlling three-phase motors, resistive and inductive loads in industrial machinery, automation systems and control panels. It is suitable for motor starter circuits, general switching duties and applications requiring a compact contactor with integrated auxiliary feedback contacts.