3RT2015-1QB41

Description

Overview

The Siemens 3RT2015-1QB41 Power Contactor is a high-performance electrical switching device designed for reliable control of motors and loads in industrial and commercial applications. Featuring a 3-pole, 7 A, 3 kW (400 V) configuration, this contactor ensures efficient switching performance under AC-3 and AC-3e duty categories.
With a 24 V DC control voltage and an integrated varistor, it offers superior protection and operational stability. Engineered with screw terminals, a compact S00 frame size, and one normally open (NO) auxiliary contact, it provides a robust, space-saving, and dependable solution for motor control systems.

Key Features & Function

• Type: Power Contactor (3RT2015-1QB41)

• Current Rating: 7 A

• Power Rating: 3 kW at 400 V (AC-3)

• Poles: 3-pole main contacts

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

• Auxiliary Contacts: 1 NO (Normally Open)

• Protection: Built-in varistor for coil surge protection

• Connection Type: Screw terminals for secure wiring

• Frame Size: S00 – compact and easy to install

• Mounting: DIN rail compatible

• Compatibility: Suitable for AC-3e/AC-3 motor loads and general switching tasks

Benefit

• High Reliability: Siemens engineering ensures stable and long-lasting performance.
• Compact Design: S00 frame saves space in control panels.
• Safe Operation: Integrated varistor minimizes voltage surges and coil disturbances.
• Easy Installation: Simple screw terminal connections for quick setup.
• Energy Efficient: Optimized coil performance with 24 V DC control voltage.
• Versatile Use: Ideal for automation systems, motor starters, and industrial controls.

Application

• Motor starters and control panels

• Industrial automation systems

• HVAC and pump control circuits

• Conveyor systems and machinery control

• Electrical distribution panels

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