The Siemens 3WT8161-6UN34-5AB2 is a SENTRON 3WT8 series Air Circuit Breaker (ACB) used for high-capacity low-voltage power distribution systems. It is designed for main incomer and feeder protection in PCC, MCC, transformer, and generator applications.
This model belongs to the 1600A frame (Size 1) and is built for heavy industrial fault protection with high breaking capacity (66 kA @ 500V AC).
• Siemens SENTRON 3WT8 series ACB
• Part Number: 3WT8161-6UN34-5AB2
• 3 Pole configuration
• Rated current: 1600A
• Breaking capacity: 66 kA @ 500V AC
• Type: Withdrawable (Draw-out) Air Circuit Breaker
• Trip unit: ETU37WT LSING (microprocessor-based protection)
• Protection functions:
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT8 |
| Model | 3WT8161-6UN34-5AB2 |
| Type | Air Circuit Breaker (ACB) |
| Rated Current | 1600A |
| Poles | 3 Pole |
| Breaking Capacity | 66 kA @ 500V AC |
| Trip Unit | ETU37WT LSING |
| Mounting | Withdrawable (Draw-out) |
| Application | Industrial LT power distribution |
• Main LT panel incomer (PCC)
• Motor control centers (MCC)
• Transformer protection
• Generator outgoing feeders
• Heavy industrial plants
• Critical electrical distribution systems
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