DIN Rail Earth Terminal Block Electrical Panel Grounding
Effective circuit protection requires highly reliable Grounding Terminal Blocks to safely discharge fault currents. Hangdaele designs components that ensure stable mechanical and electrical connections between the protective apparatus and the mounting rail.
Resolving Fault Currents in Control Panels
System instability often originates from improper ground paths. When leakage occurs, an earth terminal connector provides a designated route to earth, preventing component damage. Hangdaele’s JHD1-4-1-2JD protective conductor terminal solves high contact resistance issues commonly found in standard enclosures.
Facilities implementing these units achieve distinct operational advantages:
-
Direct electrical contact with the mounting rail establishes an immediate path for fault currents.
-
The clamping mechanism secures the ground terminal block din rail without requiring external mounting hardware.
-
High short-circuit withstand ratings prevent connection failure during severe electrical surges.
JHD1-4-1-2JD Specifications
| Parameter | Value |
|---|---|
| Product Code | JHD1-4-1-2JD |
| Rated Cross Section | 4 mm² |
| Rated Voltage | 800V |
| Stripping Length | 8-10 mm |
| Insulation Material | Polyamide (PA66) |
Installation and PE Conductor Routing
Properly configuring the grounding din rail minimizes electrical noise. The JHD1-4-1-2JD utilizes a specialized metal foot that bites into the rail surface, ensuring continuous conductivity even under severe vibration. This architecture eliminates the need for separate running wires across the panel.
For optimal results, standard procedures dictate specific assembly protocols:
-
Ensure the mounting surface remains free from heavy oxidation or insulating coatings.
-
Align the terminal ground block tightly against phase conductors to maintain strict creepage distance requirements.
-
Verify the clamping torque meets specified industrial standards for solid wire insertion.
| Wiring Diagram |  |
| Thickness/Witdh/Height | 6.2*66.8*35.5 mm |
| Nominal cross section | 4 mm² |
| Rated current | / |
| Rated voltage | / |
| Color | green-yellow |
| Insulating material | PA66 |
| Flame retardant rating UL-94 | V0 |
| Connection type | Push-in connection |
| The minimum cross section(Rigid wire) | 0.2 mm² |
| The maximum cross section(Rigid wire) | 6 mm² |
| The minimum cross section(Soft wire) | 0.2 mm² |
| The maximum cross section(Soft wire) | 4 mm² |
| Cover | JHD1-4/1-2G |
| Jumper | / |
| Marker | ZB6M |
| Dimensions |  |
