The Siemens 3WT8105-6UA34-5AB2 is a high-performance SENTRON 3WT Air Circuit Breaker (ACB) designed for reliable protection, control, and isolation of low-voltage power distribution systems. This 4-pole withdrawable ACB is rated at 1000A and equipped with an advanced ETU37WT electronic trip unit, ensuring precise protection against overload, short circuit, and earth fault conditions. Built for critical industrial applications, it offers high breaking capacity and superior operational safety, making it suitable for PCC, MCC, transformer, and generator incomer systems.
• Siemens SENTRON 3WT Series Air Circuit Breaker
• Part Number: 3WT8105-6UA34-5AB2
• 4-Pole withdrawable (draw-out) design
• Rated current: 1000A
• Frame Size 1 construction
• ETU37WT Electronic Trip Unit
• LSING protection (Overload, Short-circuit, Instantaneous & Earth fault)
• High breaking capacity: 66kA at 500V AC
• Rated operational voltage up to 500V AC
• Rated insulation voltage: 1000V
• Manual stored-energy operating mechanism
• Motorized / manual operation support (variant dependent)
• Tripped indication and signaling contacts
• Mechanical lockout safety system
• Guide frame for smooth withdrawal
• High short-time withstand capability
• Modular and compact switchgear design
• IEC 60947-2 compliant
• Suitable for heavy-duty industrial applications
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT |
| Part Number | 3WT8105-6UA34-5AB2 |
| Product Type | Air Circuit Breaker (ACB) |
| Number of Poles | 4 Pole |
| Rated Current (In) | 1000A |
| Frame Size | Size 1 |
| Trip Unit Type | ETU37WT Electronic |
| Protection Functions | LSING (O/L, S/C, I, E/F) |
| Breaking Capacity (Icu) | 66kA at 500V AC |
| Rated Operational Voltage (Ue) | Up to 500V AC |
| Rated Insulation Voltage (Ui) | 1000V |
| Frequency | 50/60 Hz |
| Operating Mechanism | Stored-energy mechanism |
| Mounting Type | Withdrawable / Draw-out |
| Standard Compliance | IEC 60947-2 |
| Application | PCC, MCC, LT Panels, Transformers, Generators |
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