Siemens 3RT2036-3NB30 Power Contactor 51A 22kW 3-Pole AC-3 AC-3e with Integrated Varistor Original Brand New

Overview

The Siemens 3RT2036-3NB30 is a high-performance power contactor designed for industrial and commercial applications. Engineered for durability and efficiency, this 3-pole contactor delivers reliable switching for motors and electrical circuits up to 22 kW at 400 V. Its integrated varistor protects the system against voltage spikes, ensuring long-lasting operation.

Key Benefit

• High Current Capacity: Handles up to 51 A and motor loads of 22 kW at 400 V.

• Integrated Protection: Built-in varistor safeguards equipment from voltage surges.

• Versatile Control: Compatible with 20-33 V AC/DC control voltage at 50/60 Hz.

• Flexible Installation: Screw terminals for main circuit and spring-loaded terminals for control and auxiliary circuits simplify wiring.

• Reliable Operation: 1 NO + 1 NC auxiliary contacts provide additional control options.

• Compact Design: Size S2 makes it suitable for space-constrained electrical panels.

Functionality

The Siemens 3RT2036-3NB30 contactor is ideal for controlling AC motors and other heavy electrical loads. It provides smooth switching, energy efficiency, and protection from transient voltages, making it a dependable component for industrial automation, manufacturing machinery, and electrical distribution systems.

Technical Specification

• Type: Power Contactor

• Poles: 3

• Current Rating: 51 A

• Power Rating: 22 kW / 400 V

• Control Voltage: 20-33 V AC/DC

• Frequency: 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Protection: Integrated varistor

• Terminals: Screw (main), spring-loaded (control & auxiliary)

• Size: S2

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