Overview
The Siemens 3RT2016-1AK21 is a high-performance SIRIUS power contactor designed for reliable and efficient switching of electrical loads. This 3-pole contactor is rated for AC-3e/AC-3 applications, handling up to 9 A and 4 kW at 400 V. Its compact S00 size makes it ideal for space-constrained industrial control panels. The integrated 120 V AC coil provides precise and dependable operation, while the included 1 NO (normally open) auxiliary contact offers versatile functionality for control circuits. With its robust screw terminals, installation is secure and straightforward. This product is a key component in a wide range of industrial automation and control systems, ensuring optimal performance and safety.
Key Benefit
- Compact Design: The small footprint of the S00 size allows for significant space savings in control cabinets, enabling a more compact and efficient panel layout.
- High Performance: Rated for AC-3e/AC-3 applications, it reliably switches motor loads up to 4 kW, ensuring smooth and consistent operation.
- Integrated Auxiliary Contact: The built-in 1 NO auxiliary contact simplifies wiring and reduces the need for additional components, saving time and cost.
- Robust Connectivity: Secure screw terminals provide a strong and reliable connection, minimizing the risk of loose wiring and ensuring long-term operational stability.
- Global Compatibility: The 120 V AC coil operates seamlessly with standard North American and other global power systems (50/60 Hz).
- Trusted Brand: Part of the Siemens SIRIUS family, this contactor guarantees the quality, reliability, and safety standards expected from a global leader in industrial technology.
Technical Specification
- Product Type: Power Contactor
- Series: SIRIUS 3RT2
- Product Number: 3RT2016-1AK21
- Rated Current (AC-3e/AC-3): 9 A
- Rated Power (AC-3e/AC-3): 4 kW at 400 V
- Number of Poles: 3-pole
- Coil Voltage: 120 V AC, 50/60 Hz
- Auxiliary Contacts: 1 NO (Normally Open)
- Connection Type: Screw Terminal
- Size: S00
- Mounting: Snap-on to DIN rail or screw mounting
- Operating Temperature: -25 to +60 °C
- Protection Class: IP20 (terminal protection)
Application
- Motor control for pumps, fans, conveyors, and compressors
- Switching resistive and inductive loads
- Industrial automation and machinery
- Heating, ventilation, and air conditioning (HVAC) systems
- Control panels and distribution boards
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