Siemens SIRIUS 3RT2016-1AK22 Power Contactor, 9A, 4kW, 120V AC Coil, Size S00, 3-Pole, 1 NC Auxiliary Original Brand New

Product Overview

The Siemens SIRIUS 3RT2016-1AK22 Power Contactor is a high-performance, compact device from the globally recognized SIRIUS modular system, specifically designed for switching motors and non-inductive loads up to 4 kW at 400 V (AC-3). This reliable 3-pole contactor features a 120 V AC (50/60 Hz) control coil and one integrated Normally Closed (1 NC) auxiliary contact. Its space-saving Size S00 form factor and robust screw terminal connections make it an ideal choice for motor control, automation, and industrial applications requiring precise and dependable switching.

Key Technical Specification

• Product: Power Contactor for Motor Switching
• Manufacturer: Siemens
• Series: SIRIUS 3RT20 (Standard Contactor)
• Article Number (MPN): 3RT2016-1AK22
• Operating Current (AC-3e/AC-3): Ie​ = 9 A (at 400 V)
• Operating Power (AC-3e/AC-3): 4 kW (at 400 V)
• Control Supply Voltage (Coil): 120 V AC, 50/60 Hz
• Number of Poles: 3-Pole (3 NO Main Contacts)
• Auxiliary Contacts: 1 NC (Normally Closed)
• Size: S00
• Connection Type: Screw Terminal
• Standard Compliance: IEC, UL/CSA Approved

Benefit

• Space-Saving Design: The compact Size S00 form factor allows for efficient panel design and installation in restricted spaces.
• Global Standard: SIRIUS 3RT2 contactors are approved worldwide (IEC, UL/CSA), simplifying international use and engineering.
• High Performance: Excellent electrical and mechanical endurance (up to 30 million switching cycles) ensures long-term reliability and minimal downtime.
• Easy Integration: Part of the SIRIUS modular system, allowing for seamless combination with other components like overload relays (e.g., SIRIUS 3RU2) and circuit breakers (e.g., SIRIUS 3RV2).
• Secure Wiring: Features reliable screw terminals for a robust, vibration-proof connection.

Function and Application

The 3RT2016-1AK22 functions as a primary switching device in electrical control systems. It is primarily used for:

• Switching and Controlling Electric Motors: Ideal for starting, stopping, and reversing three-phase motors up to 4 kW.
• Switching Heaters and Lighting: Suitable for resistive loads and general industrial loads (AC-1 rated current of 22 A).
• Integration in Automation: Essential component in machine automation, HVAC systems, pumping stations, and conveyor systems.
• Protective Motor Circuits: Forms a complete load feeder when combined with a thermal overload relay.

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