Overview: High-Performance Motor Switching
The Siemens SIRIUS 3RT2046-1AP04 is a robust, high-performance 3-pole power contactor from the SIRIUS 3RT2 series, expertly engineered for switching motors and industrial loads. Rated for up to 95 A (AC-3e/AC-3) and capable of handling 45 kW at 400 V, this contactor provides reliable and efficient control for high-demand applications.
Featuring a 230 V AC coil (50 Hz) for activation and a generous 2 NO + 2 NC auxiliary contact configuration, it offers comprehensive control and signaling capabilities right out of the box. Its Size S3 form factor and screw terminals simplify installation and integration into control cabinets. The inclusion of a removable auxiliary switch block provides excellent flexibility for maintenance and modification.
Benefit
- Exceptional Reliability: Part of the globally recognized Siemens SIRIUS family, ensuring long-term performance and durability in demanding industrial environments.
- High Power Density: Compact Size S3 design handles significant power (45 kW), optimizing cabinet space without compromising performance.
- Versatile Control: Factory-fitted with 2 NO and 2 NC auxiliary contacts for flexible circuit integration, signaling, and interlocking functions.
- Easy Installation & Maintenance: Secure and familiar screw terminals for main and control circuits, plus a removable auxiliary switch block for straightforward wiring and part replacement.
- Global Standard: Designed to international standards (IEC, EN), making it suitable for worldwide deployment.
Function & Application
The SIRIUS 3RT2046-1AP04 is the ideal solution for:
- Motor Control: Switching and controlling standard and high-efficiency three-phase AC motors (up to 45 kW) in pumps, fans, conveyors, and machine tools.
- Industrial Heating: Switching resistive loads in large heating systems (AC-1 duty, up to 130 A).
- Automation Systems: Used as the primary switching element in complex motor starter combinations, including DOL (Direct-On-Line) and reversing contactor assemblies.
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