Siemens 3RT2037-1AR64 SIRIUS Power Contactor 65A, 30kW, 400V, Size S2 with 2 NO + 2 NC Aux Contacts, Screw Terminals Original Brand New

Overview

The Siemens 3RT2037-1AR64 is a high-performance SIRIUS series power contactor designed for reliable switching of motors and other electrical loads. Built for demanding industrial applications, this 3-pole contactor is rated for 65 A and is suitable for motor control up to 30 kW at 400 V (AC-3e/AC-3). Its compact Size S2 design saves valuable panel space while offering robust performance. The contactor features a wide operating voltage range, with a control supply voltage of 400 V AC at 50 Hz and 400-440 V AC at 60 Hz, ensuring compatibility in various global electrical systems.

Key Features & Specification

• Product Number: 3RT2037-1AR64
• Contactor Type: Power Contactor (AC-3e/AC-3)
• Poles: 3-pole
• Rated Current: 65 A
• Rated Power: 30 kW at 400 V
• Control Supply Voltage: 400 V AC (50 Hz) / 400-440 V AC (60 Hz)
• Auxiliary Contacts: Integrated 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary switch block. This block is a removable auxiliary switch, offering flexibility for maintenance and configuration.
• Connection Type: Secure screw terminals for reliable and easy wiring.
• Size: S2, a compact and efficient form factor for industrial control panels.
• Product Line: SIRIUS
• Country of Origin: Made by Siemens, a global leader in automation and industrial technology.

Benefit

• Exceptional Durability: Part of the trusted Siemens SIRIUS series, this contactor is engineered for a long mechanical and electrical service life, reducing maintenance and downtime.
• Space-Saving Design: The compact Size S2 footprint allows for higher-density installations in control cabinets, optimizing panel space.
• Flexible Control: The inclusion of a removable 2 NO + 2 NC auxiliary contact block provides versatile signaling and interlocking options for complex control circuits.
• Reliable Connections: The robust screw terminals ensure a strong, vibration-resistant electrical connection, critical for industrial environments.
• Global Compatibility: Designed to operate on common worldwide AC frequencies, making it suitable for international applications.

Typical Application

The Siemens 3RT2037-1AR64 contactor is ideal for a wide range of industrial motor control and switching applications, including:

• Switching of three-phase squirrel-cage motors
• Control of heating and lighting loads
• Pump and fan control systems
• Conveyor and machinery automation

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