3KF4440-4RF11
Product ID:177601
Updated: 2026/4/5

Key Features
- 1Protect circuits with a 400A load switch designed for NH fuse sizes 1 and 2. 2、Enhance operator safety using the right-side wall-mounted drive mechanism. 3、Simplify panel integration with a basic unit featuring a compact, flat-terminal design. 4、Ensure reliable isolation for applications requiring emergency switching-off mechanisms. 5、Rely on Siemens engineering for durable performance backed by a comprehensive warranty.
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 Mounting |
| Mounting Type | Surface Mounting | Fuse Specification | Size: 1/2 |
| Terminal Type | Flat Terminal | Poles | 4P |
| 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 | 3KF4440-4RF11 |
Specifications may be subject to change without notice
