🔹 Siemens SENTRON 3WT Air Circuit Breaker – 3WT8165-6QN34-5AB2 (Microprocessor Trip Unit ACB)
🔹 Product Description
The Siemens 3WT8165-6QN34-5AB2 is a SENTRON 3WT series Air Circuit Breaker (ACB) designed for high-capacity low-voltage power distribution systems with advanced intelligent protection. It is equipped with a microprocessor-based electronic trip unit (ETU) that ensures precise, reliable, and adaptive protection for modern electrical installations.
This breaker is widely used in industrial plants, commercial buildings, data centers, infrastructure projects, and critical power distribution networks, where high fault levels and continuous operation demand maximum reliability and selectivity.
The integrated microprocessor trip unit provides protection against overload, short circuit, and earth fault conditions, along with adjustable settings, fault diagnostics, and system coordination features. This helps improve network stability and reduces downtime in complex electrical systems.
The SENTRON 3WT series is Siemens’ advanced ACB platform designed for smart and modular power distribution systems. It supports withdrawable (draw-out) construction, enabling safe maintenance and quick replacement without shutting down the entire panel.
Based on Siemens 3WT8165 frame architecture, this class typically supports 1600A rated current with high breaking capacity up to ~66kA at 500V AC, depending on configuration.
🔹 Key Features
• Genuine Siemens SENTRON 3WT Air Circuit Breaker
• Model: 3WT8165-6QN34-5AB2
• Microprocessor-based electronic trip unit (intelligent protection system)
• Protection against overload, short circuit, and earth fault
• High breaking capacity for industrial power systems
• Withdrawable (draw-out) design for safe maintenance
• Supports selective coordination in complex networks
• Suitable for MCC, PCC, and LT distribution panels
• Advanced fault diagnostics and system monitoring capability
• Designed for high reliability and long service life
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT |
| Model Number | 3WT8165-6QN34-5AB2 |
| Product Type | Air Circuit Breaker (ACB) |
| Rated Current | ~1600 A (typical 3WT8165 frame class) |
| Poles | 4 Pole |
| Trip Unit | Microprocessor-based Electronic Trip Unit (ETU) |
| Protection Functions | Overload, Short Circuit, Earth Fault |
| Mounting Type | Withdrawable / Draw-out type |
| Breaking Capacity | Up to ~66 kA @ 500V AC (variant dependent) |
| Application | Industrial / Commercial Power Distribution |
| Brand | Siemens |
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