Siemens SIRIUS 3RT2046-1AH00 Power Contactor, 95A, 45kW, 48V AC Coil, Size S3, 3-Pole, Screw Terminal Original Brand New

Overview

The Siemens 3RT2046-1AH00 Power Contactor from the SIRIUS 3RT2 series is a robust, high-performance switching device engineered for controlling three-phase asynchronous motors and other demanding loads. As a component of the SIRIUS industrial controls portfolio, this size S3 contactor offers exceptional reliability and a compact design, making it an ideal choice for modern control panels and motor starter combinations. It meets the stringent requirements of the new efficiency standards, complying with both AC-3 and the energy-efficient AC-3e utilization categories.

Key Specifications

• Product Number: 3RT2046-1AH00
• Series: Siemens SIRIUS 3RT2
• Contactor Size: S3
• Operating Current (AC-3e/AC-3): 95 A (at 400 V)
• Operating Power: 45 kW (at 400 V) / 75 HP (at 460V – common US rating for B2B search)
• Poles: 3-pole
• Coil Control Voltage: 48 V AC, 50 Hz (with tolerance for 60Hz operation)
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed) integrated
• Terminals: Screw Terminal connection
• Certification: IEC, UL, CSA, CCC, RoHS Compliant (Since 01.03.2017)

Benefits & Features

• IE3/IE4 Ready: Fully complies with the newly introduced AC-3e utilization category, making it suitable for switching highly-efficient IE3/IE4 motors with guaranteed high availability.
• Rugged Reliability: Built for extreme ruggedness and outstanding contact reliability, ensuring a long mechanical service life (typically 10 million switching cycles).
• Space-Saving Design: The compact Size S3 form factor allows for high packing density within control cabinets.
• Easy Integration: Features integrated auxiliary contacts (1 NO + 1 NC) and easy screw terminal connections for quick and reliable installation.
• Modular System: Part of the comprehensive SIRIUS modular system, allowing for simple function expansions with compatible accessories like overload relays (e.g., 3RU2) and surge suppressors.
• Global Standard: Designed and tested for worldwide use, adhering to international standards (IEC 60947).

Application

The Siemens 3RT2046-1AH00 contactor is primarily used for the switching and control of:

• Three-phase motors (e.g., pumps, fans, compressors)
• Heating, ventilation, and air conditioning (HVAC) systems
• Industrial automation and machinery
• Resistive loads (AC-1)

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