The Siemens 3WT8105-6BP04-5AB2 is a high-performance SENTRON 3WT Air Circuit Breaker (ACB) engineered for protection, control, and isolation of low-voltage power distribution systems. This 4-pole withdrawable Air Circuit Breaker features a 1000A rated current, advanced electronic trip protection, and a high short-circuit breaking capacity of 66kA at 500V AC. Designed for critical industrial and commercial applications, it delivers reliable protection against overloads, short circuits, and ground faults while ensuring maximum system availability. Its draw-out construction enables safe maintenance and easy replacement, making it ideal for PCC panels, MCC panels, transformer feeders, generator incomers, and main LT distribution systems.
• Siemens SENTRON 3WT Series Air Circuit Breaker (ACB)
• Part Number: 3WT8105-6BP04-5AB2
• 4-Pole withdrawable (draw-out) construction
• Rated current: 1000A
• Frame Size 1 design
• Advanced Electronic Trip Unit with LSING protection
• Overload, short-circuit, instantaneous, and ground-fault protection
• High breaking capacity: 66kA at 500V AC
• Rated operational voltage up to 500V AC
• Rated insulation voltage: 1000V
• Rated impulse withstand voltage: 12kV
• Manual stored-energy operating mechanism
• Mechanical lockout device for enhanced safety
• Tripped signaling switch and trip indication facility
• Guide frame for easy withdrawal and maintenance
• High short-time withstand current capability
• Compact and modular switchgear design
• Long mechanical and electrical service life
• Suitable for industrial, commercial, utility, and infrastructure projects
• Complies with IEC 60947-2 standards
• Ideal for PCC panels, MCC panels, generator protection, and transformer feeder applications.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT |
| Part Number | 3WT8105-6BP04-5AB2 |
| Product Type | Air Circuit Breaker (ACB) |
| Number of Poles | 4 Pole |
| Rated Current (In) | 1000A |
| Frame Size | Size 1 |
| Mounting Type | Withdrawable / Draw-Out |
| Trip Unit Type | Electronic Trip Unit (LSING) |
| Protection Functions | LSING (Overload, Short Circuit, Instantaneous & Ground Fault) |
| Breaking Capacity (Icu) | 66kA at 500V AC |
| Rated Operational Voltage (Ue) | Up to 500V AC |
| Rated Insulation Voltage (Ui) | 1000V |
| Rated Impulse Withstand Voltage (Uimp) | 12kV |
| Frequency | 50/60 Hz |
| Operating Mechanism | Manual Stored-Energy Mechanism |
| Short-Time Withstand Current (Icw) | 66kA |
| Auxiliary Indication | Tripped Signaling Switch |
| Safety Features | Mechanical Lockout Device |
| Protection Class | IP20 |
| Standard Compliance | IEC 60947-2 |
| Application | PCC Panels, MCC Panels, LT Distribution Systems, Generator Protection, Transformer Feeders |
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