Siemens 3RT2017-1AH02 SIRIUS Power Contactor, 12A, 5.5kW, 48V AC Coil, 1NC Aux, Size S00, Screw Terminals Original Brand New

Overview

The Siemens 3RT2017-1AH02 power contactor is a core component of the modular SIRIUS system, engineered for superior motor switching and control applications. This highly reliable, 3-pole contactor is designed for AC-3 and the energy-efficient AC-3e operation, handling up to 12 A (rated operational current) and 5.5 kW at 400 V. Its compact Size S00 footprint makes it ideal for space-constrained panels. The unit is operated by a common 48 V AC control coil and features integrated screw terminals for a secure and robust electrical connection.

Technical Specifications / Key Features

• Product ID: 3RT2017-1AH02
• Contactor Series: SIRIUS 3RT2
• Size: S00
• Rated Operating Current (Ie): 12 A (at 400 V, AC-3/AC-3e)
• Rated Power (P): 5.5 kW (at 400 V)
• Poles: 3-pole (Main Contacts: 3 NO)
• Control Voltage (Coil): 48 V AC, 50/60 Hz
• Auxiliary Contacts: 1 NC (Normally Closed) integrated
• Main Connection Type: Screw Terminal
• Approvals: IE3/IE4-ready, Approved for worldwide use (e.g., IEC and UL/CSA)
• Replacement for: 3RT1017-1AH02 (obsolete model)

Functions and Application

The Siemens 3RT2017-1AH02 is primarily used for switching 3-phase AC motors and resistive loads.

• Motor Control: Functions as a Direct On Line (DOL) starter contactor for motors up to 5.5 kW.
• Load Switching: Used for switching other electrical loads like heating, lighting, or capacitor banks.
• Safety Interlocks: The integrated 1 NC auxiliary contact can be utilized in safety circuits or control logic for feedback and interlocking purposes.
• Common Applications: Conveyor systems, pump controls, fan motors, machine tools, and general industrial automation.

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