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SIEMENS 3RV2011-0KA15-Z W97 Motor Protection Circuit Breaker (MPCB)

Mar. 18 , 2026

1. Product Name
SIEMENS 3RV2011-0KA15-Z W97 Motor Protection Circuit Breaker (MPCB)

2. Product Brief Introduction
The SIEMENS 3RV2011-0KA15-Z W97 is a Motor Protection Circuit Breaker (MPCB) from the Siemens SIRIUS 3RV series. It is an integrated device designed to provide all-in-one protection and control for three-phase electric motors, combining short-circuit protection, adjustable thermal overload protection, and a manual switching/isolation function in a compact and reliable unit.

3. Product Description
The SIEMENS 3RV2011-0KA15-Z W97 is a robust and comprehensive Motor Protection Circuit Breaker (MPCB) within the Siemens SIRIUS 3RV family. Engineered as an all-in-one solution, it simplifies and secures motor control by integrating multiple critical functions into a single, space-saving device. Its primary purpose is to offer coordinated protection for a ‌SIEMENS MOTOR‌. The device incorporates instantaneous magnetic trip protection to respond to high-magnitude short-circuit faults, safeguarding the ‌SIEMENS MOTOR‌ windings and the connected circuit from severe damage. Concurrently, its adjustable thermal overload protection defends the motor against sustained overloads and phase failure (single-phasing), which are major causes of motor overheating and insulation failure. By monitoring the current drawn by the ‌SIEMENS MOTOR‌, the thermal element trips after a time delay proportional to the overload severity, providing crucial thermal protection. Beyond this, the 3RV2011-0KA15-Z W97 serves as a manual ON/OFF switch for the motor circuit and provides a safe isolation point for maintenance, often featuring a lockable handle for enhanced safety. Its adjustable current setting allows precise calibration to match the specific full-load ampere (FLA) rating of the ‌SIEMENS MOTOR‌ it is protecting. Built to Siemens' industrial standards, it offers reliable performance in demanding environments. As part of the modular SIRIUS system, it streamlines panel design by reducing the number of components (like separate fuses, overload relays, and isolators), thereby minimizing wiring complexity and potential failure points. The suffix "Z W97" may indicate specific configuration or accessory options. This MPCB is a key component for enhancing system safety, preventing downtime, and ensuring the longevity of the connected ‌SIEMENS MOTOR‌.

4. Product Model Number

3RV2011-0KA15-Z W973VA9978-0BL206SL3521-3XB40-5AB0
3RV2011-0KA15-Z X953VA9978-0BL306SL3521-3XB40-5AF0
3RV2011-0KA203VA9978-0BL316SL3521-3XB40-7AB0
3RV2011-0KA20-Z W963VA9978-0BL326SL3521-3XB40-7AF0
3RV2011-0KA20-Z W973VA9978-0BL336SL3521-3XB41-1AB0
3RV2011-0KA20-Z X953VA9978-0CH746SL3521-3XB41-1AF0
3RV2011-0KA253VA9978-0CH826SL3521-3XB41-5AB0
3RV2011-0KA25-Z W963VA9980-0LF206SL3521-3XB41-5AF0
3RV2011-0KA25-Z X953VA9980-0LF306SL3521-3XB42-2AB0
3RV2011-0KA403VA9980-0LF406SL3521-3XB42-2AF0
3RV2011-1AA103VA9980-0VC106SL3521-3XB43-0AB0
3RV2011-1AA10-0BA03VA9980-0VC206SL3521-3XB43-0AF0
3RV2011-1AA10-Z W963VA9980-0VC306SL3521-3XB44-0AB0
3RV2011-1AA10-Z W973VA9980-0VL106SL3521-3XB44-0AF0
3RV2011-1AA10-Z X953VA9980-0VL306SL3521-3XB45-5AB0
3RV2011-1AA153VA9980-0VL406SL3521-3XB45-5AF0
3RV2011-1AA15-Z W973VA9987-0GL306SL3521-3XB47-5AB0
3RV2011-1AA15-Z X953VA9987-0HX106SL3521-3XB47-5AF0
3RV2011-1AA203VA9987-0KB006SL3521-3XC00-3AA0
3RV2011-1AA20-0BA03VA9987-0KC006SL3521-3XC00-3AB0
3RV2011-1AA20-Z W963VA9987-0KC106SL3521-3XC00-3AF0
3RV2011-1AA20-Z W973VA9987-0KD806SL3521-3XC00-5AA0
3RV2011-1AA20-Z X953VA9987-0KD816SL3521-3XC00-5AB0
3RV2011-1AA253VA9987-0KP806SL3521-3XC00-5AF0
3RV2011-1AA25-Z W963VA9987-0MA106SL3521-3XC00-7AA0
3RV2011-1AA25-Z W973VA9987-0MB106SL3521-3XC00-7AB0
3RV2011-1AA25-Z X953VA9987-0MX106SL3521-3XC00-7AF0
3RV2011-1AA403VA9987-0MY106SL3521-3XC01-1AA0
3RV2011-1BA103VA9987-0SC106SL3521-3XC01-1AB0
3RV2011-1BA10-Z W963VA9987-0TA106SL3521-3XC01-1AF0
3RV2011-1BA10-Z W973VA9987-0TA206SL3521-3XC01-5AA0
3RV2011-1BA10-Z X953VA9987-0TC106SL3521-3XC01-5AB0
3RV2011-1BA153VA9987-0TC206SL3521-3XC01-5AF0
3RV2011-1BA15-0BA03VA9987-0TC306SL3521-3XC02-2AA0
3RV2011-1BA15-Z W963VA9987-0TC406SL3521-3XC02-2AB0
3RV2011-1BA15-Z W973VA9987-0TD106SL3521-3XC02-2AF0
3RV2011-1BA15-Z X953VA9987-0TE106SL3521-3XC03-0AA0
3RV2011-1BA203VA9987-0TF106SL3521-3XC03-0AB0
3RV2011-1BA20-Z W963VA9987-0TF206SL3521-3XC03-0AF0
3RV2011-1BA20-Z W973VA9987-0TG106SL3521-3XC04-0AA0
3RV2011-1BA20-Z X953VA9987-0TG116SL3521-3XC04-0AB0
3RV2011-1BA253VA9987-0UA106SL3521-3XC04-0AF0
3RV2011-1BA25-Z W963VA9987-0UB106SL3521-3XC05-5AA0
3RV2011-1BA25-Z X953VA9987-0UB206SL3521-3XC05-5AF0
3RV2011-1BA403VA9987-0UB306SL3521-3XC07-5AA0
3RV2011-1CA103VA9987-0UC106SL3521-3XC07-5AF0
3RV2011-1CA10-0BA03VA9988-0AA116SL3521-3XD00-3AA0
3RV2011-1CA10-Z W963VA9988-0AA126SL3521-3XD00-3AB0
3RV2011-1CA10-Z W973VA9988-0AA136SL3521-3XD00-3AF0
3RV2011-1CA10-Z X953VA9988-0AA216SL3521-3XD00-5AA0
3RV2011-1CA153VA9988-0AA226SL3521-3XD00-5AB0
3RV2011-1CA15-0BA03VA9988-0AA236SL3521-3XD00-5AF0
3RV2011-1CA15-Z W973VA9988-0AB116SL3521-3XD00-7AA0
3RV2011-1CA15-Z X953VA9988-0AB126SL3521-3XD00-7AB0
3RV2011-1CA203VA9988-0AB136SL3521-3XD00-7AF0
3RV2011-1CA20-Z W963VA9988-0AB226SL3521-3XD01-1AA0

5. Product Advantages

  • All-in-One Integrated Protection:‌ Combines short-circuit protection, adjustable thermal overload protection, and a manual disconnecting switch into one compact device, offering a complete, coordinated, and space-efficient protection solution for a ‌SIEMENS MOTOR‌.

  • Simplified Design and Easy Installation:‌ Significantly reduces the number of separate components required (fuse, separate overload relay, isolator) in a motor starter, leading to simplified panel layout, less wiring, saved space, and faster installation.

  • Accurate and Customizable Motor Protection:‌ Features a user-adjustable thermal overload setting that allows for precise calibration to the exact full-load current of the specific ‌SIEMENS MOTOR‌, ensuring optimal protection against overheating and phase-related faults.

  • Enhanced Operational Safety and Control:‌ Functions as a reliable manual switch for starting and stopping the motor and provides a safe, lockable means of isolation for maintenance, improving overall operational safety for personnel.

  • Clear Status Indication and High Reliability:‌ Provides clear visual trip and status indication for quick fault diagnosis and is built with Siemens' quality, ensuring dependable performance and durability in challenging industrial conditions.

6. 【Website Analysis & Insights for www.wheat-auto.com】
Based on the provided ‌‌ for ‌www.wheat-auto.com‌, which belongs to ‌Changzhou Wheat Automation Technology Co., Ltd.‌, the following insights into its business are generated:

  • Core Business Model:‌ The company operates as an ‌international supplier, distributor, and trader‌ of industrial automation components and electronic products. It is explicitly ‌not a manufacturer‌ but a ‌trading and sourcing intermediary‌ or channel.

  • Product Portfolio:‌ The website functions as a ‌one-stop sourcing platform‌, listing a vast array of branded industrial components from numerous global manufacturers. Prominently featured brands include ‌SIEMENS MOTOR‌, ‌ABB MOTORS‌, DeWalt, Endress&Hauser, Krohne, Honeywell, METTLER TOLEDO, Yokogawa, and many others.

  • Target Market:‌ The multilingual interface (English, Chinese, Russian) clearly targets the ‌global B2B market‌, serving international clients in industrial automation, manufacturing, and related sectors.

  • Value Proposition & Operations:‌ The company's stated principle is ‌"quality first, reputation first."‌ Its core service is ‌global supply chain management and logistics‌, providing worldwide access to specific branded components. The "News" section lists specific Siemens part models (6GK6000-8FX3VA2225-5H) with direct contact methods (WhatsApp: +86 15951219765, Email: info@wheat-auto.com), indicating a ‌strong inquiry-based, direct sales model‌. They act as a sourcing agent for buyers searching for exact part numbers.

Interpretation:‌ Changzhou Wheat Automation Technology Co., Ltd. positions itself as a ‌global commercial bridge and sourcing partner‌. Their expertise lies in international trade, sourcing, and distributing specialized industrial parts, connecting global manufacturers (like Siemens) with international end-users, system integrators, and distributors.

7. Use Scenarios

  • Compact Motor Starter Assemblies:‌ Used as the primary protection and control device in compact starter boxes or control panels for individual ‌SIEMENS MOTORs‌ driving pumps, fans, small compressors, and conveyor drives.

  • Machine Tool and OEM Equipment:‌ Integrated into the electrical cabinets of machine tools, packaging machines, and other Original Equipment Manufacturer (OEM) equipment to provide main power switching, overload, and short-circuit protection for the integrated ‌SIEMENS MOTOR‌.

  • Distributed Motor Control Points:‌ Ideal for applications where motors are located at various points in a facility, providing a self-contained, compact unit for protection, control, and isolation at each ‌SIEMENS MOTOR‌ location.

  • HVAC and Building Services Equipment:‌ Applied in Heating, Ventilation, and Air Conditioning (HVAC) units, exhaust fans, and water circulation pumps to protect and manually control fan and pump ‌SIEMENS MOTORs‌.


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