Overview
The Siemens 3RT2016-2MB42-0KT0 Power Contactor is a high-performance, compact electrical switching device designed for reliable control of electric motors and power circuits. Part of the renowned Siemens Sirius series, this 3-pole contactor delivers excellent switching capacity and long-term durability, making it ideal for industrial automation, control panels, and motor starter applications.
With a rated operational current of 9A (AC-3) and a power rating of 4 kW at 400V, this contactor ensures efficient performance and dependable operation. It features a 24V DC control voltage with a wide operating range (0.85–1.85 × Uc), spring-loaded terminals for fast, vibration-resistant connections, and an integrated 1 NC auxiliary contact. Its compact S00 frame size makes it suitable for space-constrained installations.
Key Features and Functions
High Switching Performance:
Designed for AC-3e/AC-3 applications, ensuring reliable control of motors and inductive loads.
Compact Design (S00 Frame):
Optimized for installation in tight spaces without sacrificing performance.
Energy-Efficient 24V DC Coil:
Provides stable operation with low control power consumption and wide voltage tolerance.
Spring-Loaded Terminals:
Ensure quick, secure wiring and resistance to loosening due to vibration.
Built-In Auxiliary Contact (1 NC):
Provides additional control or feedback functions within automation systems.
Durable Siemens Quality:
Manufactured with precision engineering for long service life and operational reliability.
Application
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Motor starters and control panels
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Industrial automation systems
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HVAC equipment
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Pump and conveyor control
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Lighting and power distribution systems
Benefit
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Improved Reliability: High-quality Siemens engineering ensures continuous performance.
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Time-Saving Installation: Spring-loaded terminals reduce wiring time and errors.
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Compact & Modular: Easy integration into control cabinets and modular systems.
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Safety Assured: Built to meet international standards for electrical safety and performance.
For more products, technical specifications, or to complete your load feeder assembly, visit Turll main product pages.













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