Siemens 3RT2016-2BB41 Power Contactor, 3-Pole, 9A, 24V DC, 1NO

The Siemens 3RT2016-2BB41 is a robust 3-pole power contactor engineered for the reliable switching of electrical loads in industrial environments. This compact S00-sized device is designed to handle a rated operational current of 9A and operates with a 24V DC control supply voltage. Featuring one integrated normally open (NO) auxiliary contact, it provides essential feedback capabilities for complex control circuits. Its durable construction ensures consistent performance and longevity, making it a dependable component for modern electrical infrastructure.

Advantages

This power contactor offers exceptional reliability and efficiency in demanding industrial applications. Its compact S00 design allows for space-saving installation in control cabinets, while the 24V DC coil ensures energy-efficient operation. The high-quality materials used in its construction provide excellent resistance to mechanical wear and electrical stress, resulting in a long service life and reduced maintenance requirements. The inclusion of an auxiliary contact simplifies integration into automated systems, providing seamless monitoring and control.

Suitable for

• Industrial automation and control systems
• Motor control and protection circuits
• Power distribution and switching applications
• Heating and lighting control systems

When it may not be suitable

This contactor is not intended for applications requiring higher current ratings exceeding 9A or for AC control voltage systems. It is also not suitable for environments with extreme chemical exposure or high-vibration levels that exceed the specified industrial standards for S00 size components.

Key specifications

• Number of poles: 3
• Rated operational current: 9A
• Control supply voltage: 24V DC
• Auxiliary contacts: 1 normally open (NO)
• Size: S00

How to use

Installation should be performed by qualified personnel in accordance with local electrical regulations. The contactor is designed for mounting on standard DIN rails or via screw mounting within an enclosure. Connect the main power lines to the primary terminals and the 24V DC control signal to the coil terminals. Ensure that all connections are tightened to the specified torque to prevent overheating. Once installed, the auxiliary contact can be wired into the control logic to provide status feedback to a PLC or other monitoring device.

What to consider before purchase

• Verify that the 24V DC control voltage matches your existing control system.
• Ensure the 9A current rating is sufficient for your specific load requirements.
• Check the available space in your control cabinet to accommodate the S00 size.
• Confirm that the auxiliary contact configuration meets your feedback requirements.

Usage recommendations

Regularly inspect the terminal connections for tightness and check for any signs of dust or debris accumulation to ensure optimal electrical contact and heat dissipation.