3VT8440-1CA03-0AA0
Product ID:136756
Updated: 2026/7/7

Key Features
- 1Ensure high switching capacity with 35kA Icu at 415/440V AC.
- 2Protect motors reliably using a thermal-magnetic trip unit.
- 3Prevent overloads with an adjustable Ir setting of 400A.
- 4Guard against short-circuits with a 4800A instantaneous trip.
- 5Simplify installation with fixed mounting and no auxiliary devices.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Description | 3VT400N400 TMMF F/3P; 3VT400 dimensions; Rated Current 400A; Breaking N:35kA; Trip Unit TMMF; | Operating Short Circuit Breaking Capacity Ics(kA):@400V or 415V | 35 |
| Rated Voltage(V): | 415 | Number of Poles: | 3P |
| Mounting Method: | F:Fixed Type | Trip Unit: (If required is not in the list, reset and select trip unit first) | TMMF【LI Motor Protection】 |
| Rated Current In(A): | 400 | Breaking Rating: | N:35kA |
| Specifications: | 3VT400【250-400A】 | Lifecycle | Delivery Release (PM300) |
| Country of Origin | China | ECCN | N |
| AL | N | Model Number | 3VT8440-1CA03-0AA0 |
Specifications may be subject to change without notice
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