Siemens 3RT2037-1NP34 Power Contactor, 65A 30kW 400V, 3-Pole AC/DC, Integrated Varistor, S2 Size Original Brand New

Overview

The Siemens 3RT2037-1NP34 Power Contactor is engineered for superior performance in industrial and commercial power applications. Designed for AC-3e/AC-3 operation, it handles up to 65 A and 30 kW at 400 V, offering reliable and efficient motor control. With its integrated varistor, auxiliary contacts (2NO + 2NC), and screw terminal connections, this compact yet robust contactor ensures safe switching and extended service life.

Whether you’re managing motors, automation systems, or power distribution, the Siemens 3RT2037-1NP34 delivers the quality and durability you expect from Siemens industrial technology.

Key Features & Specification

• Model: Siemens 3RT2037-1NP34

• Rated Operational Current: 65 A

• Power Rating: 30 kW at 400 V

• Operation Category: AC-3e / AC-3

• Poles: 3-pole contactor

• Control Voltage: 175–280 V AC/DC, 50/60 Hz

• Auxiliary Contacts: 2 NO + 2 NC

• Integrated Varistor: Yes (for surge protection)

• Terminal Type: Screw terminal

• Size: S2 (removable auxiliary switch)

• Manufacturer: Siemens

Benefit

• High performance & reliability – Handles demanding motor control applications with ease.
• Integrated varistor – Protects against voltage spikes and extends contactor lifespan.
• Versatile control voltage range – Works with both AC and DC signals (175–280 V).
• Compact S2 size – Saves space in control panels without compromising power.
• Easy installation & maintenance – Screw terminal design ensures secure connections.
• Enhanced safety & flexibility – Includes auxiliary contacts for diverse control applications.

Application / Function

The Siemens 3RT2037-1NP34 is ideal for:

• Motor starters and control systems

• Power distribution panels

• Industrial automation systems

• HVAC systems

• Conveyor and pump control

• General-purpose switching in industrial environments

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