Siemens 3RT2016-1FA41 SIRIUS Power Contactor, 9A, 4kW, 12V DC Coil, 1NO Original Brand New

Overview: Siemens SIRIUS 3RT2016-1FA41 Power Contactor

The Siemens 3RT2016-1FA41 SIRIUS 3RT2 Power Contactor is a high-performance, compact switching device engineered for reliable motor control and general-purpose switching applications up to $4\text{ kW}$. This specific model belongs to the versatile SIRIUS 3RT2 series, size S00, known for its space-saving design and high switching capacity.

It features a reliable $12\text{ V DC}$ coil with an integrated diode for surge suppression, ensuring long life and direct compatibility with low-voltage control systems. With $3$ main poles and a single normally open (NO) auxiliary contact, this contactor provides essential switching functionality and status feedback.

Benefit & Key Features

• Optimized DC Coil Performance: The $12\text{ V DC}$ coil with a pre-installed integrated diode minimizes coil-off surge voltage, protecting sensitive electronics in the control circuit and simplifying wiring.
• Space-Saving Design (Size S00): Its compact footprint is ideal for panel builders and machine builders looking to maximize space in control cabinets.
• High Reliability & Durability: Designed for demanding industrial environments, offering a long mechanical and electrical service life, typical of the Siemens SIRIUS range.
• Easy Installation: Features robust screw terminals for secure and straightforward wiring of both main and auxiliary circuits.
• Motor and Load Control: Perfectly suited for switching three-phase motors and other resistive or highly inductive AC loads up to $9\text{ A}$.

Function & Application

The 3RT2016-1FA41 Power Contactor is primarily used in industrial control systems for:

1. Switching AC Motors: Direct on-line (DOL) start/stop control for motors up to $4\text{ kW}$ at $400\text{ V}$.
2. Remote Control of Loads: Switching of lighting, heating, ventilation, and general electrical loads.
3. Integration into Machinery: Used as the main power switch in machine tools, conveyors, and pumping systems.
4. Signal Integration: The $1\text{ NO}$ auxiliary contact can be used for feedback to a PLC, control relays, or for interlocking circuits.

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