Overview
The Siemens 3RT2017-2MB42-0KT0 is a high-performance SIRIUS power contactor engineered for reliable switching of motors and electrical loads. This compact, 3-pole contactor is designed for AC-3e/AC-3 operation, handling a rated current of 12 A and a power output of 5.5 kW at 400 V. Its robust construction and efficient design make it ideal for industrial control applications. The unit features a wide operating range of 0.85-1.85* Uc, powered by a 24 V DC control voltage, ensuring stable performance in various power conditions.
Key Features & Benefit
- High-Efficiency Motor Control: Optimized for AC-3e/AC-3 applications, this contactor provides dependable switching for electric motors up to 5.5 kW, enhancing system uptime and performance.
- Space-Saving Design: The compact S00 frame size allows for efficient use of panel space, making it perfect for installations with limited room.
- Secure & Fast Connections: Equipped with spring-loaded terminals, this contactor ensures a vibration-proof and maintenance-free connection, significantly reducing installation time and effort.
- Integrated Auxiliary Contact: The built-in 1 NC (normally closed) auxiliary contact provides immediate feedback on the contactor’s status for enhanced control and safety interlocking.
- Wide Voltage Tolerance: The 24 V DC control voltage coil operates reliably across a wide range of 0.85-1.85* Uc, accommodating voltage fluctuations without compromising functionality.
- Durable & Reliable: Part of the trusted Siemens SIRIUS family, this power contactor is built for long-term industrial use, offering excellent mechanical and electrical longevity.
Function
The Siemens 3RT2017-2MB42-0KT0 serves as a critical component in industrial automation and electrical control systems. Its primary function is to remotely and safely switch on and off electrical loads, particularly three-phase motors. It can be used in conjunction with other components like circuit breakers and overload relays to build comprehensive motor starter solutions. The integrated normally closed auxiliary contact is used for signaling, control circuit logic, and safety interlocking.
Technical Specification
- Product Type: Power Contactor
- Series: Siemens SIRIUS 3RT
- Product Number: 3RT2017-2MB42-0KT0
- Rated Current (AC-3e/AC-3): 12 A
- Rated Power (AC-3e/AC-3): 5.5 kW at 400 V
- Poles: 3-pole
- Control Voltage: 24 V DC (Operating range 0.85-1.85* Uc)
- Auxiliary Contacts: 1 NC (Normally Closed)
- Terminal Type: Spring-loaded terminal
- Frame Size: S00
- Additional Features: No auxiliary switch can be added
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