Siemens 3RT2035-1NP30 Power Contactor, 41A, 18.5 kW, 1 NO + 1 NC, Screw Terminal Original Brand New

Overview

The Siemens 3RT2035-1NP30 is a high-performance, S2 size power contactor designed for reliable switching of motors and other industrial loads. This versatile contactor is rated for AC-3e/AC-3 applications, handling up to 41 A and 18.5 kW at 400 V. Its compact design and robust construction make it an excellent choice for a wide range of industrial automation and control systems.

Key Features & Benefit

• High Performance: With an AC-3e/AC-3 rating of 41 A and 18.5 kW, this contactor is capable of managing demanding motor control tasks efficiently.
• Flexible Control: The wide control voltage range of 175-280 V AC/DC allows for use in various power supply environments, reducing inventory and simplifying design.
• Integrated Varistor: An integrated varistor protects the coil from voltage surges, enhancing the contactor’s lifespan and overall reliability.
• Convenient Auxiliary Contacts: The included 1 NO (Normally Open) and 1 NC (Normally Closed) auxiliary contacts provide easy integration into control circuits for signaling and interlocking.
• Secure Connections: Screw terminals ensure a strong, reliable, and easy-to-maintain electrical connection, even in high-vibration environments.
• Compact Design: The S2 size saves valuable panel space, allowing for higher component density in control cabinets.

Function

The Siemens 3RT2035-1NP30 power contactor is a crucial component in motor starter and control circuits. Its primary functions include:

• Switching: Safely and reliably switching on and off electrical loads, particularly three-phase motors.
• Control: Serving as a key element in automated control systems, responding to signals from PLCs, sensors, and other control devices.
• Protection: The integrated varistor provides protection against overvoltage spikes, safeguarding the contactor and the control circuit.
• Interlocking: The auxiliary contacts can be used for electrical interlocking and signaling, preventing unintended operations and providing feedback on the contactor’s status.

Technical Specification

• Product Number: 3RT2035-1NP30
• Type: Power Contactor
• Rated Operational Current (AC-3e/AC-3): 41 A
• Rated Operational Power (AC-3e/AC-3): 18.5 kW at 400 V
• Poles: 3-pole
• Control Voltage: 175-280 V AC/DC, 50/60 Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Terminal Type: Screw Terminal
• Size: S2
• Special Feature: Integrated varistor

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