Description

1. Product Title

Siemens 7UM5111‑4CA00‑0BB/EE‑ Generator‑Motor Multifunction Protection Relay

2. Product Overview

7UM5111‑4CA00‑0BB/EE is a SIPROTEC series multifunction numerical protection relay designed for generators and large motors. It integrates overcurrent, earth‑fault, overload, negative‑sequence and frequency protection functions to safeguard rotating assets from electrical faults. It records fault event data for post‑fault analysis and supports standard power‑system communication interfaces. 7UM5111‑4CA00‑0BB/EE is widely used as replacement spare for power‑plant and distributed‑generation protection panels.

3. Technical Specifications

• Brand: Siemens
• Model: 7UM5111‑4CA00‑0BB/EE
• Warranty: One Year
• Condition: 100% New & Original
• Input/Output: CT/VT analog inputs; configurable binary inputs / relay trip outputs
• Operating Temp: ‑20°C ~ +55°C
• Communication: RS485, IEC 60870‑5‑103
• Mounting: Panel flush‑mount
• Protection Class: IP54 (front panel), IP20 (rear terminal side)
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4. Application Scenarios

• Small‑Medium Generator Set Protection: Comprehensive electrical fault protection for diesel‑engine and gas‑turbine generator units inside power plants.
• Large‑Size Industrial Motor Protection: Protection for high‑power drive motors used in compressors, fans and pump units.
• Distributed Energy Generation Station: Generator protection for biogas, small hydro and on‑site power generation facilities.