Siemens 3RT2037-1AD00 Power Contactor AC-3e/AC-3, 65A, 30kW, 42V AC Coil, Size S2 Original Brand New

Overview

The Siemens 3RT2037-1AD00 is a high-performance power contactor from the robust SIRIUS modular system, specifically engineered for switching three-phase AC motors and resistive loads. Designed for industrial applications, this 3-pole contactor is rated for operation under AC-3e/AC-3 utilization categories, handling a massive 65 A nominal current and controlling motors up to 30 kW at 400 V. Its compact Size S2 form factor ensures efficient use of panel space. The unit is equipped with integrated 1 NO + 1 NC auxiliary contacts for signaling and control circuit integration and features secure, reliable screw terminals for straightforward wiring. The coil is designed for 42 V AC, 50 Hz operation.

Benefit

• Exceptional Durability: Built with high-quality materials for a long electrical and mechanical service life, minimizing downtime.

• High Performance: Safely switches large loads up to 65 A and 30 kW, suitable for demanding motor control applications.

• Space Efficiency: Compact Size S2 design allows for high-density installation in control cabinets.

• Enhanced Control: Integrated 1 NO + 1 NC auxiliary contacts provide flexible options for interlocking, signaling, and control feedback.

• Simple Installation: Reliable screw terminal connection method ensures quick, secure, and maintenance-friendly wiring.

The primary function of the Siemens 3RT2037-1AD00 is to remotely and safely switch the main power circuit of industrial equipment, primarily three-phase AC motors. The 42 V AC coil draws a control current to magnetically close the main 3-pole contacts, connecting the motor to the 400 V supply.

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