Siemens 3MT8140-1AP07 AC-3 Contactor – High Performance for Industrial Control
Overview
The Siemens 3MT8140-1AP07 is a robust and highly reliable 3-pole AC-3 contactor designed for demanding industrial application. As part of Siemens’ trusted SIRIUS series, this Size S6 power contactor is engineered for exceptional performance, durability, and safety in switching AC motor and other inductive loads. Its comprehensive feature set, including multiple auxiliary contacts and a versatile coil voltage, makes it an ideal choice for complex control system.
Key Features & Function
This Siemens 3MT8140-1AP07 contactor is rated for AC-3 duty, specifically optimized for switching three-phase asynchronous motors under normal starting conditions. It boasts a powerful current rating of 140 Amperes and is suitable for motor applications up to 75 kW at 400V. The integrated 4 normally open (NO) and 4 normally closed (NC) auxiliary contacts provide extensive flexibility for interlocking, signaling, and control circuit integration, simplifying your wiring and system design. The 230 VAC, 50 Hz coil ensures compatibility with common industrial control voltages, while the robust screw terminal offer secure and reliable electrical connection. Its Size S6 frame ensures a compact yet powerful solution for your control panel.
Benefit
- Reliable Performance: Siemens’ renowned quality ensures consistent and dependable operation, minimizing downtime.
- High Power Handling: Capable of managing significant motor loads (140A / 75kW), suitable for various industrial machinery.
- Versatile Control: The generous 4NO+4NC auxiliary contact configuration offers maximum flexibility for custom control schemes.
- Easy Integration: Standard 230 VAC coil and screw terminals facilitate straightforward installation and wiring.
- Durable Design: Built to withstand harsh industrial environments, ensuring a long service life.
- Safety & Compliance: Engineered to meet rigorous international safety standards.
Application
The Siemens 3MT8140-1AP07 contactor is perfectly suited for a wide range of industrial applications, including:
- Motor control for pumps, fans, compressors, conveyors, and production machinery
- Switching resistive loads in heating system
- Main circuit switching in distribution board
- Integration into automated control systems and motor starter
- Any application requiring reliable and robust power switching of inductive load.
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