Siemens SIRIUS 3RT2047-1CF04-3MA0 Power Contactor 110 A, 55 kW, 110 V AC, S3 with Varistor Original Brand New

Overview: Siemens 3RT2047-1CF04-3MA0 Power Contactor

The Siemens 3RT2047-1CF04-3MA0 is a high-performance power contactor from the trusted SIRIUS series, engineered for reliable switching and control of electric motors and other loads. This robust device is designed to handle demanding industrial environments, ensuring safety and efficiency in your electrical systems. With its 110 A current rating and 55 kW power capability at 400 V, it is suitable for a wide range of applications, including heavy-duty motor control, ventilation systems, and pumping stations.

Key Features & Function

• High Power Handling: Rated for 110 A (AC-3e/AC-3) and 55 kW at 400 V, making it ideal for powerful industrial applications.
• 3-Pole Design: Provides efficient and reliable switching for three-phase electrical systems.
• Integrated Protection: Includes a factory-fitted, plugged-in varistor for surge suppression, protecting the contactor and connected equipment from transient voltage spikes.
• Versatile Control Voltage: Operates with a 110 V AC, 50 Hz control voltage, a common standard in many industrial setups.
• Comprehensive Auxiliary Contacts: Equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, allowing for flexible integration into control circuits and providing feedback on the contactor's status.
• Secure Connection: Features reliable screw terminals for easy and secure wiring connections.
• Compact Size: Despite its high power rating, the Size S3 form factor allows for space-saving installation in control panels and cabinets.
• Built-in Reliability: The captive auxiliary switch ensures that the auxiliary contacts are an integral part of the main unit, reducing the chance of misassembly or loss.

Benefit

• Enhanced System Reliability: The built-in varistor and robust design protect your equipment from electrical surges, extending the lifespan of both the contactor and the motor it controls.
• Simplified Installation: The compact S3 size and straightforward screw terminals make installation and maintenance quick and easy.
• Flexible Control: The 2 NO + 2 NC auxiliary contacts provide ample options for interlocking, signaling, and automation, streamlining complex control circuits.
• Cost-Effective Solution: A durable and long-lasting component that reduces the need for frequent replacements and maintenance.
• Proven Performance: As part of the Siemens SIRIUS family, this contactor is a testament to German engineering and quality, offering peace of mind and consistent performance.

Technical Specification

• Product Type: Power Contactor
• Product Series: Siemens SIRIUS 3RT2
• Model Number: 3RT2047-1CF04-3MA0
• Rated Operational Current (Ie): 110 A (at AC-3e/AC-3)
• Rated Power: 55 kW at 400 V
• Number of Poles: 3
• Control Supply Voltage (Us): 110 V AC, 50 Hz
• Surge Suppression: Plugged-in varistor
• Auxiliary Contacts: 2 NO + 2 NC (captive)
• Terminal Type: Screw Terminal
• Size: S3
• Mounting: DIN rail or screw fixing

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