Siemens 3MT8300-1AQ27 Contactor AC-3, 300A/160kW, 400V, 4NO4NC, 380 VAC, 50/60 Hz, 3-pole, size S10 Original Brand New

Overview

The Siemens 3MT8300-1AQ27 is a robust and reliable 3-pole AC contactor from the SIRIUS S10 series, designed for demanding industrial applications. Engineered for efficient switching of three-phase loads, this contactor offers exceptional performance with a rated operational current of 300A for AC-3 utilization (motor loads) and a power rating of 160kW at 400V. Its integrated 4 normally open (4NO) and 4 normally closed (4NC) auxiliary contacts provide extensive control and signaling capabilities, making it a versatile component in complex electrical systems. The 380 VAC, 50/60 Hz coil ensures broad compatibility with standard industrial power supplies, and its sturdy screw terminals guarantee secure and reliable connections.

Function

The Siemens 3MT8300-1AQ27 Contactor serves as an electrically controlled switch for large power circuits. Its primary function is to safely and reliably make or break the connection of a three-phase electrical load, such as industrial motors, heating elements, or lighting systems. When the 380 VAC control voltage is applied to the coil, it generates a magnetic field that pulls the main contacts together, allowing current to flow to the load. When the control voltage is removed, a spring mechanism separates the contacts, interrupting the circuit. The integrated auxiliary contacts provide status feedback and enable interlocking circuits for safety and sequence control.

Key Features

• High Power Rating: Handles substantial loads with a 300A AC-3 operational current and 160kW power at 400V, ideal for heavy-duty motor control.
• Comprehensive Auxiliary Contacts: Features 4NO + 4NC auxiliary contacts, offering flexible integration into control circuits for signaling, interlocking, and status indication.
• Standard Industrial Compatibility: Operates with a 380 VAC, 50/60 Hz control coil, ensuring compatibility with common industrial power grids.
• 3-Pole Design: Suitable for switching three-phase electrical systems.
• Size S10: Compact yet powerful design within the Siemens SIRIUS modular system, allowing for efficient panel space utilization.
• Screw Terminals: Provides robust and secure electrical connections, suitable for industrial environments.
• Durable Construction: Part of the highly reliable Siemens SIRIUS range, known for its long mechanical and electrical life.
• Versatile Applications: Ideal for motor control, switching resistive loads, and general power circuit control in various industrial settings.