3WT8121-5KU20-0AA1
Product ID:105029
Updated: 2026/7/3

Key Features
- 1Enhance safety with overcurrent, short-circuit, and ground-fault protection.
- 2Easily retrofit electronic trip units and current transformers.
- 3Ensure clear operation with ON-OFF and ready-to-close indicators.
- 4Handle up to 66 kA across a 400 A to 4000 A range.
- 5Meet international standards for top-tier quality and reliability.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Lifecycle | P.M300 | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3WT8121-5KU20-0AA1 |
Specifications may be subject to change without notice
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