3KF4340-0MF51
Product ID:145479
Updated: 2026/9/6
Key Features
- 1Protect 400A circuits reliably with high-performance LV HRC fuses.
- 2Control three-phase systems safely using the three-pole configuration.
- 3Fit diverse panels with the compact and versatile Size 4 design.
- 4Select fuseless versions for applications requiring alternative protection.
- 5Ensure installation compliance by meeting all relevant industry standards.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| DC Insulation Voltage (V) | 220VDC/440VDC | AC Rated Voltage (V) | 690 |
| Insulation Voltage (V) | 1000 | Description | 3KF SITOR (fast-acting fuse), rated current 400A, basic unit — front operation mechanism, without handle, operation mechanism module located at the center of the switch, surface mount |
| Mounting Type | Surface mount | Fuse Specification | Size: 1/2 |
| Terminal Type | Flat terminal | Poles | 3P |
| In(A) | 400 | Specification | 3KF4_400 |
| Switch Type | Basic unit, front operation mechanism, without handle, operation mechanism module located at the center of the switch | Lifecycle | Delivery Release (PM300) |
| Country of Origin | China | ECCN | N |
| AL | N | Model Number | 3KF4340-0MF51 |
Specifications may be subject to change without notice
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