Siemens 3RT2018-2KF42-0LA0 Traction Contactor 16A, 7.5kW, 3-Pole, 110V DC, Suppressor Diode Original Brand New

Overview

The Siemens 3RT2018-2KF42-0LA0 is a high-quality traction contactor engineered for dependable control and switching of electrical loads in industrial and traction systems. Designed with Siemens’ renowned durability and precision, this 3-pole contactor ensures safe operation and optimal performance in demanding environments. Its integrated suppressor diode and series resistor deliver enhanced protection and longevity, making it ideal for modern automation and control systems.

Key Features & Technical Details

• Product Type: Traction Contactor

• Rated Operational Current (AC-3e/AC-3): 16 A

• Power Rating: 7.5 kW at 400 V

• Poles: 3-Pole

• Control Voltage: 110 V DC (0.7–1.25 × Uc)

• Integrated Suppressor Diode: Yes

• Auxiliary Contacts: 1 NC

• Terminal Type: Spring-loaded terminal

• Frame Size: S00

• Series Resistor: Plugged-on type

• Manufacturer: Siemens

• Product Number: 3RT2018-2KF42-0LA0

Benefits

• High Performance: Optimized for reliable switching of inductive loads in traction and industrial control systems.
• Enhanced Protection: Built-in suppressor diode safeguards against voltage spikes.
• Compact Design: S00 frame size allows for space-saving installation in control panels.
• Durability: Siemens’ robust engineering ensures long service life and operational safety.
• Ease of Installation: Spring-loaded terminals and preassembled resistor simplify setup and maintenance.
• Energy Efficiency: Designed for low power consumption and high electrical efficiency.

Function & Application

The Siemens 3RT2018-2KF42-0LA0 traction contactor is engineered for switching and controlling electric motors, particularly in railway systems, automation equipment, and industrial machinery. Its integrated suppressor diode makes it suitable for DC coil applications, protecting circuits from voltage surges and ensuring stable operation even in harsh conditions.

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