Siemens 3RT2036-3SB30 Power Contactor 51 A, 22 kW, 3-Pole, 21–33 V AC/DC with Integrated Varistor Original Brand New

Overview

The Siemens 3RT2036-3SB30 is a high-performance 3-pole power contactor engineered for reliable motor control in demanding industrial environments. Designed for AC-3e/AC-3 applications, this contactor delivers exceptional efficiency with a current rating of 51 A and motor output capacity of 22 kW at 400 V. Equipped with an integrated varistor, the unit ensures superior protection against voltage spikes, enhancing operational safety and equipment lifespan.

Manufactured as part of the Siemens SIRIUS line, the 3RT2036-3SB30 is built for long-term durability, fast installation, and secure connectivity through its screw terminal main circuit and spring-loaded terminals for control and auxiliary circuits.

Key Benefit

• High Reliability: Engineered for continuous industrial use under AC-3e/AC-3 motor loads.

• Enhanced Protection: Integrated varistor safeguards against electrical surges and transient voltages.

• Flexible Control Voltage: Wide-range 21–33 V AC/DC control for versatile system integration.

• Effortless Installation: Spring-loaded terminals allow fast, tool-free wiring on the control side.

• Compact & Efficient: Size S2 design saves panel space while maintaining high performance.

• Built-in Auxiliary Contact: Includes 1 NC auxiliary contact for expanded control options.

Main Features & Functions

Electrical Performance

• Operating Category: AC-3e / AC-3

• Rated Operational Current: 51 A

• Rated Power: 22 kW at 400 V

• Poles: 3-pole main contacts

Control & Protection

• Control Voltage: 21–33 V AC/DC, 50/60 Hz

• Integrated Varistor: Protection from overvoltage and switching spikes

• Auxiliary Contacts: 1 NC contact included

Connection Technology

• Main Circuit: Screw terminals for secure, high-strength wiring

• Control & Auxiliary Circuit: Spring-loaded terminals for quick, vibration-resistant installation

Design & Compatibility

• Size: S2

• Type: F-PLC-IN compatible

• Suitable for automation panels, motor starters, and industrial control systems

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