Siemens SIRIUS 3RT2017-2LB42 Power Contactor 12A, 5.5kW, 3-Pole, 24V DC Coil, Spring-Loaded Terminal, Size S00 Original Brand New

Overview

The Siemens 3RT2017-2LB42 Power Contactor is a high-performance switching device designed for controlling and switching electric motors and power circuits up to 5.5 kW at 400 V. Built with Siemens’ renowned engineering quality, this 3-pole contactor ensures reliable performance, long life, and efficient energy use in industrial automation applications.

This model comes with an integrated varistor for surge protection and 1 NC auxiliary contact, making it a robust and space-saving solution for control panels and automation systems.

Key Features & Functions

• Model: Siemens 3RT2017-2LB42

• Type: Power Contactor, AC-3e/AC-3 application

• Rated Operational Current (Ie): 12 A

• Power Rating: 5.5 kW @ 400 V

• Control Voltage: 24 V DC (0.7–1.25 × Uc)

• Poles: 3-Pole

• Auxiliary Contacts: 1 NC (Normally Closed)

• Terminal Type: Spring-loaded terminals

• Integrated Varistor: For built-in overvoltage protection

• Frame Size: S00

• Mounting Type: DIN rail or panel mount

• Durability: High mechanical and electrical endurance

Benefit

• Reliable Switching: Engineered for consistent performance in AC-3 motor control applications.
• Compact Design: Space-efficient frame size S00 fits easily into tight control panels.
• Enhanced Protection: Integrated varistor safeguards against voltage spikes.
• Easy Installation: Spring-loaded terminals for quick and secure wiring.
• Siemens Quality: Built for long-lasting, maintenance-free operation.

Application

• Motor control and protection systems

• Industrial automation and machinery

• Conveyor systems and pumps

• HVAC and ventilation units

• Control panels and distribution boards