SIEMENS 3RV1011-1EA15 Motor Protection Circuit Breaker (MPCB)

‌1. Product Name‌
SIEMENS 3RV1011-1EA15 Motor Protection Circuit Breaker (MPCB)

‌2. Product Brief Introduction‌
The SIEMENS 3RV1011-1EA15 is a Motor Protection Circuit Breaker (MPCB) from the Siemens SIRIUS 3RV series. It is an all-in-one compact device that combines short-circuit protection, overload protection, and an isolating function specifically designed for the protection and control of three-phase electric motors.

‌3. Product Description‌
The SIEMENS 3RV1011-1EA15 is a compact and versatile Motor Protection Circuit Breaker (MPCB) from the renowned Siemens SIRIUS 3RV family. This integrated device is engineered to provide comprehensive protection and control for three-phase electric motors, such as a ‌SIEMENS MOTOR‌. It elegantly combines the functionalities of a conventional fuse or circuit breaker (for short-circuit protection), a thermal overload relay, and a manual disconnect switch into a single unit. Its primary role is to safeguard a ‌SIEMENS MOTOR‌ from the damaging effects of electrical faults: its magnetic trip mechanism provides instantaneous protection against high-current short circuits, while its thermal trip element, operating on a bimetallic principle, protects against sustained overloads that could cause dangerous overheating of the motor windings. Additionally, it offers protection against phase loss (single-phasing), a common fault that can quickly destroy a motor. Beyond protection, the 3RV1011-1EA15 serves as a reliable manual ON/OFF switch and provides safe isolation for maintenance work, eliminating the need for a separate disconnect device. Its current setting is adjustable to precisely match the full-load ampere (FLA) rating of the specific ‌SIEMENS MOTOR‌ being protected. As part of the modular SIRIUS system, it can be complemented with auxiliary contacts and other accessories. Featuring a robust design, clear trip indication, and easy installation via snap-on mounting or screw fixing, the 3RV1011-1EA15 offers a space-saving, cost-effective, and highly reliable solution for motor protection. It simplifies panel design, reduces wiring complexity, and ensures the longevity and safe operation of ‌SIEMENS MOTORs‌ in a wide range of industrial and commercial applications.

‌4. Product Model Number‌

‌5. Product Advantages‌

• ‌All-in-One Integrated Protection:‌ Combines short-circuit protection, overload protection, and an isolation switch in a single compact device, providing a complete, coordinated, and space-saving protection solution for a ‌SIEMENS MOTOR‌.

• ‌Simplified Panel Design and Installation:‌ Reduces the number of components (fuse, contactor, separate overload relay) needed in a starter assembly, saving panel space, simplifying wiring, and reducing potential points of failure and installation time.

• ‌Adjustable and Precise Motor Protection:‌ Features a user-friendly, adjustable overload current setting, allowing for accurate calibration to the exact full-load current of the specific ‌SIEMENS MOTOR‌, ensuring optimal and tailored protection.

• ‌Manual Control and Safe Isolation:‌ Functions as a reliable manual switch for starting and stopping the motor and provides a clear means of safe isolation (disconnection) for maintenance, enhancing operational safety.

• ‌Clear Indication and High Reliability:‌ Provides visual trip and status indication for quick fault diagnosis and is built with Siemens' industrial-grade quality, ensuring dependable performance and a long service life in demanding environments.

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

• ‌Core Business:‌ 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.

• ‌Business Model & Portfolio:‌ The website serves as a ‌one-stop sourcing channel‌ for a vast array of branded industrial components from numerous global manufacturers. The provided content lists numerous major brands, including ‌SIEMENS MOTOR‌, ‌ABB MOTORS‌, DeWalt, Endress&Hauser, Krohne, Honeywell, METTLER TOLEDO, Yokogawa, and many others across diverse categories.

• ‌Target Market:‌ The multilingual website (available in English, Chinese, and Russian) clearly demonstrates a strategic focus on the ‌global B2B market‌, targeting international clients in industrial automation, manufacturing, and related sectors.

• ‌Value Proposition & Operations:‌ Their stated principle is ‌"quality first, reputation first."‌ Their core value lies in ‌global supply chain management and logistics‌, providing customers worldwide with access to specific branded components like the SIEMENS 3RV1011-1EA15. Their operational model appears strongly ‌inquiry-based and direct sales-oriented‌. The "News" section lists specific Siemens part models (6GK6000-8FX, 3VA2225-5H) and provides direct contact methods like WhatsApp (+86 15951219765) and email (info@wheat-auto.com). This suggests they cater to buyers who are actively searching for exact part numbers and reach out directly for quotes.

• ‌Company Profile:‌ Described as a high-tech electronics company established in 2012, it emphasizes building long-term business relationships with domestic and international enterprises, a strict quality system, perfect management, and creating higher market value.

‌Interpretation:‌ Changzhou Wheat Automation Technology Co., Ltd. positions itself as a ‌commercial bridge and global sourcing partner‌. Their expertise lies in international trade, sourcing, and the logistics of distributing specialized industrial components. They connect global manufacturers (like Siemens) with international end-users, system integrators, and distributors, leveraging their supply chain network to fulfill specific component requests, such as for the SIEMENS 3RV1011-1EA15 MPCB.

‌7. Use Scenarios ‌

• ‌Compact Motor Starters and Control Panels:‌ Used as the primary protection and switching device for individual ‌SIEMENS MOTORs‌ in compact control panels for pumps, fans, small compressors, and conveyor drives, offering a simple, all-in-one solution.

• ‌Machine Tool and OEM Equipment:‌ Integrated into the electrical cabinets of machine tools, packaging machines, and other OEM (Original Equipment Manufacturer) 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, as it provides a compact, self-contained unit for protection, control, and isolation at each ‌SIEMENS MOTOR‌ location, simplifying wiring and installation.

• ‌HVAC and Building Services:‌ 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.