Siemens SIRIUS 3RT2027-1AF04 Power Contactor, 32A, 15kW, 110V AC Original Brand New

Overview

The Siemens 3RT2027-1AF04 is a high-performance, 3-pole power contactor from the globally recognized SIRIUS 3RT2 series. Designed for robust motor switching applications, this reliable component offers exceptional electrical and mechanical endurance. With a rated operational current of 32 A (AC-3e/AC-3) and a power rating of 15 kW at 400 V, it is ideal for controlling and switching standard three-phase AC motors in industrial and commercial environments. It features a compact Size S0 design and is equipped with convenient screw terminals for secure wiring.

Key Features & Specification

• Manufacturer: Siemens
• Series: SIRIUS 3RT2
• Type: Power Contactor (Motor Switching)
• Rated Operational Current (AC-3e/AC-3): 32 A
• Rated Operational Power: 15 kW at 400 V
• Number of Poles: 3-pole (Main Contacts: 3 NO)
• Control Supply Voltage (Coil): 110 V AC, 50 Hz
• Auxiliary Contacts: Pre-assembled and removable auxiliary switch block: 2 NO + 2 NC
• Terminals: Screw Terminals
• Contactor Size: S0
• Conformity: AC-3e/AC-3 (Motor Switching)

Function and Application

The SIRIUS 3RT2027-1AF04 contactor is primarily used for switching electric motors on and off, particularly in applications requiring frequent operation. Its compact Size S0 footprint allows for space-saving installation in control cabinets, while the high switching capacity of 32A and 15kW ensures reliable performance in demanding load feeders. The integrated, removable $2\text{ NO}+2\text{ NC}$ auxiliary switch block provides the necessary feedback and interlocking capability for complex control circuits and motor starter assemblies.

Benefit

• High Reliability: Part of the trusted Siemens SIRIUS line, ensuring long mechanical and electrical life.
• Easy Integration: Compact S0 size and compatibility with a wide range of Siemens overload relays and accessories for building complete motor starter solutions.
• Flexible Control: $110\text{ V AC}$ coil voltage is common for industrial control systems.
• Simplified Wiring: Secure screw terminals make installation and maintenance straightforward.
• Enhanced Control: Integrated $2\text{ NO}+2\text{ NC}$ auxiliary contacts allow for immediate use in interlocking and signaling circuits without needing external add-ons.

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