3VT8440-1AA03-0AA0
Product ID:185880
Updated: 2026/4/13

Key Features
- 1Achieve reliable protection with a high 35 kA switching capacity. 2、Ensure precise fault detection using an advanced thermal magnetic trip unit. 3、Integrate seamlessly into 415/440 V AC three-phase systems. 4、Prevent overloads with robust protection rated up to 400 A. 5、Safeguard against short-circuits up to 4000 A without auxiliary releases.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Description | 3VT400N400 TMF F/3P; 3VT400 Dimensions; Rated Current 400A; Breaking N:35kA; Trip Unit TMF; | Rated Service Breaking Capacity Ics(kA): @400V or 415V | 35 |
| Rated Voltage(V): | 415 | Number of Poles: | 3P |
| Installation Method: | F: Fixed Installation | Trip Unit: (If required is not in the list, reset and select trip unit first) | TMF【Thermal Magnetic Line Protection Non-adjustable】 |
| Rated Current In(A): | 400 | Rated Ultimate Breaking Capacity Icu(kA): @400V or 415V | 35 |
| Breaking Rating: | N:35kA | Specifications: | 3VT400【250-400A】 |
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3VT8440-1AA03-0AA0 |
Specifications may be subject to change without notice
