Siemens 3RT2037-1AM20 SIRIUS Power Contactor, 65A, 30kW, 208V AC, S2 Original Brand New

Overview

The Siemens 3RT2037-1AM20 SIRIUS Power Contactor is a robust and reliable switching device from the renowned SIRIUS modular system, specifically designed for switching motors up to 30 kW (at 400 V). This 3-pole power contactor, size S2, is built for superior performance in industrial control and automation applications, ensuring high contact reliability and prolonged mechanical and electrical endurance.

It features a powerful 208 V AC, 50/60 Hz operating coil and comes with integrated auxiliary contacts (1 Normally Open (NO) + 1 Normally Closed (NC)) for feedback and control circuit integration. Connection is secure and straightforward using screw terminals.

Benefits & Advantages

• High Performance: Rated for up to 65A (AC-3e/AC-3) and suitable for high-power motor switching applications up to 30 kW.
• Global Standard Compliance: IEC and UL/CSA approved, making it suitable for worldwide deployment and meeting stringent industrial standards.
• Space-Saving Design: Part of the SIRIUS modular system, offering a compact footprint for installation in control panels.
• Enhanced Reliability: Features high mechanical service life (typically 10 million switching cycles), ensuring long-term, maintenance-free operation.
• Easy Integration: Compatible with the full range of SIRIUS accessories, including overload relays (e.g., 3RU21 or 3RB30/3RB31), auxiliary switch blocks, and function modules.
• Simple Wiring: Designed with convenient front connections and secure screw terminals for quick and reliable installation.

Function & Application

The 3RT2037-1AM20 Power Contactor is primarily used as the main switching element in motor starters and control systems.

• Function: To safely make and break the connection between the main power supply and a 3-phase motor, controlling motor operation (ON/OFF).
• Primary Applications:
  • Switching 3-phase asynchronous motors.
  • Controlling resistive loads.
  • Integration into complex control panels and motor control centers (MCCs).
  • Use in machinery and automation systems requiring reliable load switching.

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