ACB: SENTRON 3WTPlus Microprocessor based trip unit – 3WT8081-6UN34-5AB2

Product Description

SENTRON 3WTPlus ACB – Microprocessor Based Trip Unit – 3WT8081-6UN34-5AB2

The Siemens 3WT8081-6UN34-5AB2 is an advanced microprocessor-based trip unit system from the SENTRON 3WTPlus Air Circuit Breaker (ACB) range, designed for intelligent protection, monitoring, and control of low-voltage power distribution systems. It delivers reliable protection against overload, short circuit, and earth fault conditions, ensuring maximum safety and operational continuity in critical electrical installations.

This model belongs to the ETU37WT LSING protection family, featuring advanced electronic sensing, real-time monitoring, and adjustable protection settings for precise coordination and selective tripping. It is commonly used in industrial plants, commercial buildings, data centers, utilities, and infrastructure projects, where dependable high-capacity power distribution is required.

The 3WTPlus series is equipped with LCD-based diagnostics, communication-ready architecture, event logging, and withdrawable ACB compatibility, making it suitable for modern smart switchgear and energy management systems.

🔹 Key Features

• Siemens SENTRON 3WTPlus ACB system
• Part Number: 3WT8081-6UN34-5AB2
• Microprocessor-based electronic trip unit (ETU37WT / LSING)
• Protection against overload, short circuit & earth fault
• High-precision digital current sensing
• Integrated LCD display for monitoring & diagnostics
• Adjustable protection settings for selectivity and coordination
• Event logging and fault indication capability
• Withdrawable / draw-out ACB compatibility
• Communication-ready system architecture
• High short-circuit withstand capability
• Suitable for critical industrial power applications
• Complies with IEC 60947-2 standards