3WT8121-5UN74-5AD1
Product ID:119327
Updated: 2026/7/6

Key Features
- 1Handle high currents up to 1250A with a 500V rating for robust power distribution.
- 2Ensure reliable protection with a 66kA rated breaking capacity (Icu).
- 3Gain precise control using the ETU35WT overcurrent trip unit with LSI settings.
- 4Enhance safety and lockout with the integrated mechanical reclosing lock device.
- 5Simplify fault detection and maintenance via the trip signal switch and indicator.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3WT8121-5UN74-5AD1 |
Specifications may be subject to change without notice
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