3RK1301-0JB00-1AA2 SIEMENS high-performance RS1-X Reversing Starter

3RK1301-0JB00-1AA2 SIEMENS high-performance RS1-X Reversing Starter

Packaging & Delivery

Shipping Port: Xiamen, China
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Product Details

The Siemens 3RK1301-0JB00-1AA2 is a high-performance RS1-X Reversing Starter designed specifically for integration with the SIMATIC ET 200S distributed I/O system. This modular, electromechanical motor starter is designed to control three-phase AC motors in both clockwise (CW) and counter-clockwise (CCW) directions.

With its compact footprint and plug-and-play assembly, it acts as an intelligent field device, drastically reducing wiring complexity on the factory floor while protecting low-power motors (up to 0.25 kW / 400 V) against overloads and short circuits.

Technical Parameters

Product Advantages

• Modular Integration: Plugs smoothly into the SIMATIC ET 200S backplane, allowing hot-swapping and modular plant expansions without disturbing adjacent motor starters or I/O modules.

• Integrated Motor Protection: Combines short-circuit protection (via circuit breaker function) and overload protection (via adjustable bimetal relay) in a single, space-saving unit.

• Reversing Functionality: Controls forward and reverse motor directions seamlessly via standard fieldbus protocols (such as PROFIBUS or PROFINET) via the ET 200S head station.

• Reduced Cabling Costs: By combining power busbars inside the terminal module, individual power wiring between starters is eliminated—minimizing installation labor and the risk of wiring errors.

1. Electrical & Thermal Safety

• Load Adjustment: The bimetal dial on the front must be configured precisely to match the motor's actual rated operational current (FLA) within the 0.7 A to 1.0 A window. Failing to match this will cause either premature tripping or lack of overload protection.

• Isolation of Power: Ensure the main 400 V AC feeder busbar is fully isolated before plugging or unplugging the starter from its terminal module to prevent arcing.

2. Physical Layout & Environmental Limits

• Derating Factors: While rated for standard ambient limits, if multiple motor starters are mounted side-by-side in high-temperature enclosures (exceeding 40°C), thermal derating might apply. Refer to the ET 200S Motor Starter manual for spacing guidelines.

• Terminal Module Compatibility: This starter must be paired with the correct Siemens ET 200S Terminal Module (typically a TM-RS type). Using incompatible terminal blocks will prevent correct connection to the power busbars.

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