The Siemens 3WT8105-6AA04-5AB2 is a high-performance SENTRON 3WT Air Circuit Breaker (ACB) designed for protection, control, and isolation of low-voltage power distribution systems. This 4-pole withdrawable ACB features a rated current of 1000A and a high short-circuit breaking capacity of 66kA at 500V AC. Equipped with the advanced ETU37WT electronic trip unit with LSING protection functions, it provides precise overload, short-circuit, earth-fault, and neutral protection for critical industrial and commercial applications.
The breaker incorporates a manual draw-out operating mechanism, mechanical lockout system, trip indication, and guide frame assembly, making it suitable for PCC panels, MCC panels, generator incomers, transformer protection, and main LT distribution systems where reliability and operational safety are essential.
• Siemens SENTRON 3WT series Air Circuit Breaker (ACB)
• Part Number: 3WT8105-6AA04-5AB2
• 4 Pole withdrawable (draw-out) configuration
• Rated current: 1000A
• Breaking capacity: 66kA at 500V AC
• Advanced ETU37WT Electronic Trip Unit
• LSING protection functions (Long Time, Short Time, Instantaneous, Ground Fault & Neutral Protection)
• Manual draw-out operating mechanism
• Mechanical lockout device for enhanced safety
• Tripped signaling switch and trip indication system
• Guide frame included for withdrawable operation
• High short-time withstand current (Icw 66kA)
• Suitable for overload, short-circuit, and earth-fault protection
• High mechanical and electrical endurance
• Reliable protection for critical power distribution networks
• Compact and modular design for industrial switchboards
• Complies with IEC standards for low-voltage switchgear
• Ideal for PCC panels, MCC panels, generator incomers, transformers, and LT distribution systems
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT |
| Part Number | 3WT8105-6AA04-5AB2 |
| Product Type | Air Circuit Breaker (ACB) |
| Number of Poles | 4 Pole |
| Rated Current (In) | 1000A |
| Rated Operational Voltage | 500V AC |
| Frequency | 50/60 Hz |
| Breaking Capacity (Icu) | 66kA at 500V AC |
| Short-Time Withstand Current (Icw) | 66kA |
| Trip Unit Type | ETU37WT Electronic Trip Unit |
| Protection Functions | LSING (Overload, Short Circuit, Instantaneous, Ground Fault & Neutral Protection) |
| Operating Mechanism | Manual Draw-Out |
| Mounting Type | Withdrawable / Draw-Out |
| Locking System | Mechanical Lockout Device |
| Indication | Tripped Signaling Switch & Indicators |
| Terminal Type | H-H Terminal |
| Standard Compliance | IEC 60947-2 |
| Application | PCC Panels, MCC Panels, Generator Protection, Transformer Protection, LT Distribution Systems |
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