Overview
The Siemens 3RT2015-1WB41 is a compact and reliable 3-pole power contactor designed for high-performance motor control and switching applications. Rated for 7 A and 3 kW at 400 V, this AC-3e/AC-3 contactor operates on 24 V DC and features an integrated varistor for overvoltage protection, making it a dependable solution in industrial control panels. With a frame size of S00, screw terminals, and 1 NO auxiliary contact, this unit is ideal for tight installations where efficiency and reliability are critical.
Key Benefit
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Compact Design – Fits seamlessly in tight control cabinet spaces.
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Integrated Varistor – Enhances protection against voltage spikes.
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High Switching Capacity – Suitable for up to 3 kW (AC-3) motors at 400 V.
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Reliable Operation – Wide control voltage range (0.85–1.85 × Uc).
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Plug-and-Play Terminals – Screw terminal connections for easy installation.
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Trusted Siemens Quality – Engineered for durability and precision.
Function & Features
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Contactor Type: Power contactor (AC-3e/AC-3)
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Rated Current: 7 A
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Power Rating: 3 kW @ 400 V
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Control Voltage: 24 V DC (range: 0.85–1.85 × Uc)
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Poles: 3
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Auxiliary Contact: 1 NO (normally open)
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Overvoltage Protection: Integrated varistor
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Connection Type: Screw terminal
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Frame Size: S00
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Auxiliary Switch Expansion: Not supported
Application
The Siemens 3RT2015-1WB41 contactor is primarily used in industrial automation and control systems for:
- Switching 3-phase AC motors (e.g., pumps, fans, conveyors)
- Controlling resistive loads AC-1
- Integration into motor starter combinations (in conjunction with an overload relay)
- General load switching in machinery and equipment.
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