Product Overview
The Siemens SIRIUS 3RT2015-2AD02 Power Contactor is a high-performance, 3-pole motor switching device from the proven SIRIUS 3RT20 family. Designed for reliable switching of electrical loads, this compact contactor is rated for 7 A (AC-3e/AC-3) and 3 kW / 400 V.
A key feature is its control circuit: it utilizes a 42 V AC, 50/60 Hz coil, making it ideal for systems requiring this specific control voltage. The device includes one integrated normally closed (1 NC) auxiliary contact and features spring-loaded terminals for fast, vibration-proof, and maintenance-free wiring. It is built in the miniature Size S00, saving valuable space in control cabinets and motor starter combinations.
Benefit
- Fast & Reliable Wiring: Spring-loaded terminals allow for quick, tool-free wiring and provide a permanent, vibration-proof connection, significantly reducing installation time and maintenance needs compared to screw terminals.
- Space-Saving Design: The compact Size S00 construction is part of the modular SIRIUS system, allowing for the construction of narrow, space-efficient load feeders.
- Optimized Performance: Rated for AC-3e/AC-3, ensuring energy-efficient and highly reliable switching performance for standard motor applications.
- Integrated Functionality: The built-in 1 NC auxiliary contact simplifies circuit design and reduces the need for external components.
- Global Standard: As a SIRIUS product, the 3RT2015-2AD02 is approved for worldwide use (IEC, UL/CSA, etc.) and is IE3/IE4-ready, meeting modern energy efficiency standards.
Application
This 3-pole power contactor is primarily used for:
- Switching 3-phase AC motors (direct-on-line starting).
- Controlling electrical heating systems.
- Switching general resistive and inductive loads up to 7 A / 3 kW.
- Integration into motor starter combinations, feeder circuits, and automation systems that operate on a 42V AC control supply.
For current pricing, technical documentation, and to explore the full range of low-voltage SIRIUS industrial control products, visit turll today!












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