Siemens Power contactor, 3-pole, size S0, 1NO + 1NC, 11kW Part number 3RT2026-1AF00

Product Overview

Siemens 3RT2026-1AF00 is a SIRIUS 3RT2 series power contactor designed for switching three-phase AC motors and other electrical loads in industrial control systems. It features a compact size S0 construction with integrated auxiliary contacts and a 110 V AC coil, offering dependable switching performance for loads up to 25 A with high operational reliability.

Key Features

• SIRIUS 3RT2 power contactor
• 3-pole main contact configuration
• Rated operational current: 25 A
• Rated motor power up to 11 kW at 400 V AC
• Control coil voltage: 110 V AC, 50 Hz
• Integrated auxiliary contacts: 1 normally open (NO) + 1 normally closed (NC)
• Screw terminal connections for main and auxiliary circuits
• Compact size S0 frame

Technical Specifications

• Article Number: 3RT2026-1AF00
• Product Family: SIRIUS 3RT2 contactors
• Device Type: Power contactor
• Size: S0
• Number of Poles: 3
• Main Contacts: 3 NO
• Auxiliary Contacts: 1 NO + 1 NC
• Rated Operational Current (AC-3): 25 A
• Rated Motor Power: up to 11 kW at 400 V AC
• Rated Insulation Voltage (Ui): 690 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Control Coil Voltage: 110 V AC, 50 Hz
• Main & Auxiliary Circuit Connection: Screw terminals
• Protection Rating: IP20 (touch-protected on front)
• Mechanical Service Life: approx. 10 000 000 operations
• Operating Temperature Range: –25 °C to +60 °C
• Storage Temperature Range: –55 °C to +80 °C
• Weight (approx.): ~0.42 kg

Compliance & Certifications

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

Applications

The Siemens 3RT2026-1AF00 power contactor is used for switching and controlling three-phase motors, resistive and inductive loads in factory automation, control panels and industrial electrical systems. It is suitable for general switching duties within motor starter circuits and other electrical load applications requiring dependable 25 A AC-3 switching.