3WT8121-8KF04-5AB1
Product ID:175511
Updated: 2026/4/22

Key Features
- 1Comply with international standards for safe, certified operation. 2、Integrate door sealing frame and mechanical reclosing lockout. 3、Replace auxiliary releases or trip units easily for future upgrades. 4、Feature clear ON-OFF and ready-to-close indicators with signaling switches. 5、Configure from 400A to 4000A with IP55 protection and 66kA capacity.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Rated Voltage (V) | 500 | Description | 3WT1, 1250A ETU47WT D/3P, 66kA; Electric Closing AC/DC110V; Shunt Trip AC/DC110V; Alarm Contacts; Safety Barrier; Door Frame; 2NO+2NC |
| Icw(kA) | 50 | Rated Operating Short-circuit Breaking Capacity Ics(kA)@400V or 415V | 66 |
| Control Voltage | AC/DC110V | Number of Poles | 3P |
| Installation Method | D: Drawer Type | Trip Unit | ETU47WT【LSING With LCD Display】 |
| Rated Current In(A) | 1250 | Rated Ultimate Breaking Capacity Icu(kA)@400V or 415V | 66 |
| Breaking Capacity Level | S:66kA | Specifications | 3WT1【400-1600A】 |
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3WT8121-8KF04-5AB1 |
Specifications may be subject to change without notice
