3KF4340-4RF11
Product ID:181322
Updated: 2026/8/16

Key Features
- 1Ensure safe and reliable switching operations under load.
- 2Simplify setup and integration with existing electrical infrastructure.
- 3Mount flexibly with side operating mechanism options.
- 4Achieve compatibility for LV HRC fuse applications.
- 5Build long-lasting performance with durable materials.
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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 LV HRC (General Fuse), Rated Current 400A, Basic Unit — Side Operation Mechanism, No Handle, Operation Mechanism Module Located on the Right Side 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, Side Operation Mechanism, No Handle, Operation Mechanism Module Located on the Right Side of the Switch | Lifecycle | Delivery Release (PM300) |
| Country of Origin | China | ECCN | N |
| AL | N | Model Number | 3KF4340-4RF11 |
Specifications may be subject to change without notice
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