Siemens 3RT1375-6AP36 SIRIUS S12 Contactor for AC-1 Application
The Siemens 3RT1375-6AP36 is a robust 4-pole contactor from the SIRIUS S12 range, engineered for reliable switching of weak or non-inductive loads (AC-1) up to 525 A at 400 V and 40 °C. This high-performance industrial contactor is a crucial component for disconnecting loads or power generation plants from the grid and for transfer switching applications.
Key Features & Benefit
- High Current Capacity: Rated for AC-1 applications up to 525 Amps at 400 V (40 °C ambient temperature), ensuring efficient power control for demanding industrial processes.
- Versatile Control Voltage: Features a wide-range solid-state operating mechanism with a universal control supply voltage of 100-250 V AC/DC, offering flexibility in integration.
- Integrated Auxiliary Contacts: Equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, enhancing control circuit versatility and signaling capabilities.
- Flexible Connection Options: Provides both connection rail and screw terminal options for the main circuit, allowing for adaptable and secure wiring. Auxiliary and control circuits utilize convenient screw terminals.
- Built-in Surge Suppression: The 3RT13 contactors are pre-equipped with coil damping (varistor) for protection against overvoltage, contributing to longer coil lifespan and system stability.
- Compliance & Standards: Designed and manufactured to meet rigorous international standards including IEC 60947-1, IEC 60947-4-1, and IEC 60947-5-1 (for auxiliary switches), ensuring reliability and safety in industrial environments.
- Robust & Durable Design: Part of the Siemens SIRIUS 3RT.3 series, known for its longevity and performance in challenging industrial conditions.
- Optimized for Protection: Detailed guidelines for short-circuit, overload, and overvoltage protection of main, auxiliary, and control supply voltage connections are provided to ensure system integrity.
- Electromagnetic Compatibility (EMC): Fulfills requirements for environment category A, ensuring stable operation alongside other electronic equipment.
- Expandable Functionality: While the operating mechanism and contacts are not field-replaceable on 3RT13 contactors, the unit is supplied with two laterally mounted auxiliary switches and can be further expanded with additional auxiliary switches (refer to accessories).
- Motor Protection Integration: Compatible with 3RB2 electronic overload relays for comprehensive motor protection.
Application
The Siemens 3RT1375-6AP36 contactor is ideally suited for:
- Four-pole switching of resistive and non-inductive loads in AC-1 categories.
- Disconnecting power generation plants from the electrical grid.
- Implementing reliable transfer switching operations.
- Integration into various industrial control panels and load feeders requiring robust and reliable switching.
For more information on configuring load feeders, protection devices, and compatible accessories, please refer to the comprehensive technical documentation.
Invest in the Siemens 3RT1375-6AP36 contactor for dependable and efficient power switching in your industrial applications.
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