Siemens 3RT2036-1SF30 Power Contactor 51A, 22kW, 3-Pole, AC/DC Coil, Varistor, S2 Size Original Brand New

Product Overview 

The Siemens 3RT2036-1SF30 is a high-performance 3-pole power contactor engineered for reliability in industrial motor control and automation applications. Operating at 51 A and 22 kW (400V AC-3), it features a wide-range AC/DC coil (83-150V), an integrated varistor for surge protection, and a normally closed auxiliary contact (1 NC). Its compact S2 size and screw terminals ensure quick installation and long-term durability in demanding environments.

Key Features & Benefit

• Model: Siemens 3RT2036-1SF30

• Rated Current (AC-3/AC-3e): 51 A

• Rated Power: 22 kW @ 400 V

• Poles: 3-Pole

• Coil Voltage: 83-150 V AC/DC, 50/60 Hz

• Auxiliary Contacts: 1 NC

• Terminal Type: Screw terminal

• Size: S2

• Surge Protection: Integrated varistor

• Function Class: F-PLC-IN

Benefit

• Versatile Coil Compatibility: Works with both AC and DC input voltages (wide-range coil).

• Enhanced Protection: Integrated varistor protects against voltage spikes and extends equipment lifespan.

• Compact Design: Space-saving S2 size allows easy integration into control panels.

• Quick Installation: Screw terminals for secure, tool-friendly connections.

• Reliable Performance: Built to Siemens’ high standards for long operational life.

Functionality

This power contactor is primarily used to switch and control electric motors, heating systems, and lighting systems in industrial automation. Its AC-3e/AC-3 rating ensures it can handle high inrush currents, making it ideal for motor starters in harsh environments.

Application

• Industrial motor control systems

• Electrical panels & switchgear

• Automation systems

• HVAC units

• Conveyor systems

• Lighting and heating loads

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