Siemens Power contactor, screw, 3-pole, 1NO + 1NC, 220VAC, 25A Part number 3RT2026-1AN20

Product Overview

The Siemens 3RT2026-1AN20 is the Siemens SIRIUS 3RT2 power contactor. It is a 3-pole contactor with a 220 V AC coil, designed for motor switching and general load switching in industrial control and distribution systems. This contactor is part of the compact size S0 series, offering reliable performance in a small footprint — suitable for motor control, switching, and integration in control panels or switchgear cabinets.

Key Features

• 3-pole power contactor (SIRIUS 3RT2 series, size S0)
• Main contact rating: 25 A at AC-3, suitable for loads up to 11 kW / 400 V
• Coil voltage: 220 V AC, 50/60 Hz
• Includes built-in auxiliary contact block: 1 NO + 1 NC
• Screw-terminal connections for secure wiring
• Compact design — ideal for installations where space is limited
• High mechanical endurance — up to 10,000,000 switching cycles
• Rated insulation voltage (main and auxiliary circuits): 690 V
• Surge voltage resistance: 6 kV
• Ambient operating temperature range: –25 °C … +60 °C

Technical Specifications

• Article Number: 3RT2026-1AN20
• Product Series: SIRIUS 3RT2
• Contactor Size: S0
• Number of Poles: 3 (three-phase)
• Main Contact Rating (AC-3 / 400 V): 25 A / 11 kW
• Coil Voltage: 220 V AC, 50/60 Hz
• Auxiliary Contacts: 1 NO + 1 NC (built-in)
• Insulation Voltage (rated): 690 V
• Surge Voltage Resistance: 6 kV
• Mechanical Service Life: ~10,000,000 switching cycles
• Shock / Vibration Resistance (indicative): Withstands mechanical stress per standard industrial conditions
• Ambient Operating Temperature: –25 °C to +60 °C
• Mounting / Terminals: Screw-type terminals, compatible with standard industrial wiring
• Finger-safe terminal design, IP protection class (when properly installed): IP20

Compliance & Certifications

• Manufactured by Siemens under the SIRIUS 3RT series — compliant with IEC/EN standards for low-voltage contactors
• Suitable for industrial control, motor switching, and load switching applications
• Designed for global use — supports standard operating conditions across industrial environments

Applications

The 3RT2026-1AN20 contactor is suitable for switching three-phase motors and general loads up to 11 kW / 400 V. Common applications include motor starters, pump and fan control, conveyor drives, machine tool power circuits, and general industrial load switching. Its compact S0 size and built-in auxiliary contact make it ideal for control panels or distribution cabinets where space is limited but reliable switching and control is required.