Siemens 3RT1054-1AM36 SIRIUS Power Contactor, 115A, 55kW, 400V, 3-Pole, 200-220V AC/DC Coil, Size S6, Box Terminal Main Circuit Original Brand New

Overview

The Siemens 3RT1054-1AM36 is a robust, 3-pole power contactor from the SIRIUS 3RT10 series, designed for the high-performance switching of electric motors up to 55 kW at 400 V (AC-3e/AC-3). Featuring a high operational current rating of 115 A, this contactor is built in a compact Size S6 frame. Its versatile conventional operating mechanism uses an AC/DC (UC) wide voltage range coil (200-220 V 50/60 Hz) for universal application. The main circuit employs secure box terminals for large power cables, while the control and auxiliary circuits utilize reliable screw terminals. It comes factory-equipped with 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contacts for control panel integration.

Benefit

• High Performance: Capable of reliably switching motors up to 55kW and 115A, suitable for demanding industrial applications.
• Versatile Coil: The 200-220V AC/DC (UC) control voltage simplifies logistics and application in various power systems (AC or DC).
• Space-Saving Design: Part of the modular SIRIUS system, offering high output in a compact Size S6 frame, optimizing control cabinet space.
• Integrated Auxiliary Contacts: Pre-installed 2 NO + 2 NC contacts reduce wiring and complexity for control and signaling circuits.
• Robust Connection: Box terminals on the main circuit ensure secure, high-current connections, while screw terminals on the control side allow for standard wiring.
• Global Standard Compliance: SIRIUS product line is approved for worldwide use (IEC, UL/CSA), ensuring reliability and compliance.

Function / Application

The Siemens 3RT1054-1AM36 power contactor is primarily used for switching electric motors and non-inductive loads.

• Motor Control: Ideal for use in motor starters (Direct-on-Line or Reversing) for medium-to-large three-phase AC motors in industrial machinery, pumps, conveyors, and HVAC systems.
• Load Switching: Used for switching other resistive or slightly inductive loads in power distribution systems.
• Industrial Automation: Forms the core switching element in load feeders and is seamlessly compatible with other SIRIUS components like overload relays and circuit breakers.

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