Siemens SIRIUS 3RT2016-1QB41 Power Contactor 9 A, 4 kW, 24V DC, 1 NO Auxiliary Original Brand New

Overview

The Siemens SIRIUS 3RT2016-1QB41 is a high-performance power contactor designed for reliable switching and control of electric motors and other loads. Part of the renowned SIRIUS series, this compact S00 frame size contactor is engineered for efficiency and durability. It features a 3-pole configuration, rated for AC-3e/AC-3 applications up to 9 A at 400 V (4 kW), making it ideal for a wide range of industrial control systems.

The integrated 24 V DC control voltage with a wide operating range (0.7-1.25* Uc) and a plugged-on varistor ensures stable and protected operation, while the single normally open (1 NO) auxiliary contact provides essential feedback for control circuits. With its robust screw terminals, installation is straightforward and secure.

Key Benefit

• Space-Saving Design: The compact S00 frame size allows for high-density panel layouts, optimizing space in control cabinets.
• High Performance: Reliably switches loads up to 9 A and 4 kW, suitable for various motor control applications.
• Enhanced Protection: The integrated varistor protects the coil and control circuit from voltage spikes, extending the lifespan of the contactor.
• Reliable Operation: Operates on a stable 24 V DC control voltage with a wide tolerance range, ensuring consistent performance even with fluctuating power supplies.
• Simple Installation: Features secure screw terminals for quick and easy wiring.
• Integrated Auxiliary Contact: The 1 NO auxiliary contact simplifies circuit design by providing immediate feedback on the contactor’s status.

Function & Application

The Siemens 3RT2016-1QB41 power contactor is a versatile component used to switch electrical power circuits. Its primary functions include:

• Motor Control: Starting and stopping asynchronous motors.
• Load Switching: Controlling resistive loads, transformers, and capacitors.
• Industrial Automation: Serving as a key switching element in control panels and machinery.
• HVAC Systems: Used for controlling fans and pumps.

Technical Specification

• Product Number: 3RT2016-1QB41
• Rated Current (AC-3e/AC-3): 9 A
• Rated Power (AC-3e/AC-3): 4 kW at 400 V
• Number of Poles: 3-pole
• Control Voltage: 24 V DC
• Operating Range: 0.7 – 1.25 * Uc
• Integrated Protection: With varistor plugged on
• Auxiliary Contacts: 1 NO (Normally Open)
• Terminal Type: Screw terminal
• Frame Size: S00
• Note: No auxiliary switch can be added.

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