ACB: SENTRON 3WTPlus Microprocessor based trip unit – 3WT8081-6AA14-5AB2

Product Description

SENTRON 3WTPlus ACB – Microprocessor Based Trip Unit – 3WT8081-6AA14-5AB2

The Siemens 3WT8081-6AA14-5AB2 is an advanced microprocessor-based trip unit system used in the SENTRON 3WTPlus Air Circuit Breaker (ACB) range. It is designed for intelligent protection, monitoring, and control of low-voltage power distribution systems, ensuring high reliability, safety, and precise fault detection in critical electrical networks.

This trip unit delivers comprehensive protection against overload, short circuit, and earth fault conditions, along with advanced digital monitoring, event recording, and system diagnostics. It is widely used in industrial plants, commercial complexes, data centers, and infrastructure power systems, where continuous and secure power distribution is essential.

Based on Siemens 3WTPlus system architecture, this series supports ETU37WT LSING microprocessor protection with LCD display, adjustable settings, and optional communication modules, making it suitable for modern smart switchgear applications.

🔹 Key Features

• Siemens SENTRON 3WTPlus ACB system
• Part Number: 3WT8081-6AA14-5AB2
• Microprocessor-based electronic trip unit (ETU37WT / LSING type with display)
• Advanced protection: overload, short circuit & earth fault
• High-precision digital sensing for accurate fault detection
• Integrated LCD display for real-time monitoring
• Adjustable protection settings for selectivity and coordination
• Event logging and fault diagnostics capability
• Communication-ready architecture (system dependent)
• Designed for withdrawable ACB systems
• High reliability for critical power applications
• Complies with IEC 60947-2 standards