Siemens 3RT2046-3NP30 SIRIUS Power Contactor, 95 A, 45 kW, 1 NO + 1 NC, Spring-Loaded Terminals Original Brand New

Overview

The Siemens 3RT2046-3NP30 is a high-performance SIRIUS power contactor designed for robust motor and load control applications. This 3-pole contactor is engineered for efficiency and reliability, offering an AC-3e/AC-3 rated current of 95 A and a power rating of 45 kW at 400 V. Its compact Size S3 design makes it an ideal choice for space-conscious industrial environments without compromising on performance. The integrated varistor provides superior protection against voltage spikes, extending the lifespan of the contactor and connected equipment.

Key Features & Benefit

• High Power Handling: Rated for 95 A (AC-3e/AC-3) and 45 kW at 400 V, making it suitable for a wide range of demanding motor control applications.
• Versatile Coil Voltage: Operates on a flexible 175-280 V AC/DC control voltage, simplifying integration into various control systems.
• Integrated Protection: The built-in varistor effectively suppresses voltage surges, protecting both the contactor and the motor from electrical damage.
• Dual Terminal System: Features convenient screw terminals for the main circuit and quick-to-connect spring-loaded terminals for the control and auxiliary circuits, ensuring easy and secure wiring.
• Auxiliary Contacts: Includes a 1 NO + 1 NC auxiliary contact block for seamless integration into control circuits, providing feedback and interlocking functions.
• Compact Design: The Size S3 footprint saves valuable panel space, allowing for higher density installations.
• Durability & Reliability: Part of the trusted Siemens SIRIUS line, known for its long mechanical and electrical life.

Function

The Siemens 3RT2046-3NP30 power contactor serves as a crucial component in industrial automation and electrical systems. Its primary functions include:

• Switching Motors: Used for the reliable on/off switching of three-phase AC motors.
• Load Control: Capable of controlling resistive loads, heaters, and other electrical equipment.
• Remote Operation: Enables remote and automatic control of high-power circuits via a low-power control signal.
• Safety & Interlocking: The auxiliary contacts can be used for feedback to a PLC or for creating safety interlock circuits to prevent accidental operation.

Technical Specification

• Product Number: 3RT2046-3NP30
• Product Type: Power Contactor
• Series: Siemens SIRIUS 3RT2
• Poles: 3-pole
• Operating Current (AC-3e/AC-3): 95 A
• Operating Power (AC-3): 45 kW at 400 V
• Control Voltage: 175-280 V AC/DC, 50/60 Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Integrated Features: Varistor for surge suppression
• Main Circuit Terminals: Screw terminals
• Control & Auxiliary Terminals: Spring-loaded terminals
• Size: S3
• Ambient Temperature: -25°C to +60°C
• Mounting: DIN rail or screw mounting

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