Siemens 3RT2015-1FB41 Power Contactor 7A, 3kW, 24V DC, S00 Original Brand New

Overview: Siemens SIRIUS 3RT2015-1FB41 Power Contactor

The Siemens 3RT2015-1FB41 is a high-performance, compact 3-pole power contactor from the SIRIUS 3RT2 series, specifically engineered for reliable motor switching applications. Classified as Size S00, this compact device is rated for an operating current of 7 A at $400\text{ V AC}$ (AC-3e/AC-3) for a 3 kW motor. It features a control circuit operating on a 24 V DC voltage, critically including an integrated diode for coil suppression, ensuring protection for the control system. Designed for global use, the 3RT2015-1FB41 utilizes robust screw terminals for easy and secure wiring and includes one integrated Normally Open (1 NO) auxiliary contact.

Benefits & Features

• Optimal Performance: AC-3e/AC-3 rating of 7 A and 3 kW makes it perfectly suited for standard motor control applications.
• Space-Saving Design: The Size S00 compact footprint allows for efficient use of panel space in control cabinets.
• Reliable DC Operation: The 24 V DC coil with an integrated diode minimizes voltage peaks, protecting the PLC or controller output and ensuring a long coil service life.
• Simplified Wiring: Robust screw terminals offer a reliable and familiar connection method.
• Modular System: Part of the Siemens SIRIUS modular system, allowing for easy expansion with standardized accessories like additional auxiliary switch blocks, function modules, and overload relays.
• Global Standard: Approved and tested worldwide (IEC, UL/CSA, etc.) for industrial use.

Function

The Siemens 3RT2015-1FB41 Power Contactor is primarily used to switch the main circuit current of electrical motors and other three-phase loads (resistive or inductive). It functions by using the 24 V DC control voltage applied to the coil to energize an electromagnet, which in turn closes the three main power contacts. The integrated 1 NO auxiliary contact can be used for feedback/signaling to a Programmable Logic Controller (PLC) or for interlocking logic within the control circuit.

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