16mm and 25mm Earth Terminal Connector Block Products
- Type:
- Protective conductor terminal block, When aligning with a feed-through terminal block with the same shape, an end cover must be interposed with insulation voltages of > 690 V
- Number Of Connections:
- 2
- Number Of Positions:
- 1
- Connection Method:
- Screw connection
- Cross Section:
- 0.2 mm² - 4 mm²
- Mounting Method:
- PE foot with mounting screw, M2.5
- Color:
- green-yellow
Electrical control enclosures and switchgear require dependable Grounding Terminal Blocks to divert fault currents directly into protective conductor paths. ZGHD Electric manufactures standard-compliant units that establish direct electrical continuity with steel mounting rails. Installing a dedicated earth connector block prevents hazardous potential differences across metal enclosures during sudden surges.
Protective Grounding for Heavy Industrial Loads
Selecting proper wire termination maintains equipment safety under severe short-circuit conditions. ZGHD Electric provides protective modular terminals featuring clear mechanical benefits:
-
Direct Rail Clamping: Grounding feet grip NS 35 steel rails firmly, creating an instant low-resistance path without separate jumper wires.
-
Arc Resistance: Flame-retardant PA66 housing rated UL 94 V-0 prevents electrical tracking and withstands elevated operating temperatures.
Deploying a standard 16mm earth block ensures safe cable termination for primary feed lines and motor circuits. The internal brass clamping body prevents conductor slippage under continuous thermal expansion cycles.
For higher power distribution circuits, an earth terminal block 25mm delivers low contact resistance and high short-time withstand current ratings. This configuration accommodates thick stranded protective wires while meeting rigorous creepage distance standards.
Technical Specifications
| Parameter | JHD5-16JD | JHD5-35JD |
|---|---|---|
| Conductor Range | 0.2 - 16 mm² | 2.5 - 35 mm² |
| Rated Cross Section | 16 mm² | 35 mm² |
| Clamping Method | Screw Clamp | Screw Clamp |
| Rail Standard | DIN NS 35 (EN 60715) | DIN NS 35 (EN 60715) |
| Housing Material | PA66 | PA66 |
| Normative Standard | IEC 60947-7-2 | IEC 60947-7-2 |
Assembly Standards and Factory Direct Sourcing
Securing protective continuity requires two standard installation practices:
-
Strip cable insulation to exact gauges, ensuring full conductor insertion depth without exposed copper.
-
Tighten screws to specified torque ratings to eliminate connection loosening from mechanical vibrations.
A firmly mounted terminal block earth component protects industrial machinery against unexpected insulation breakdowns. Contact ZGHD Electric to request technical specifications, drawings, and direct factory pricing.
| Model | Function | Wire IEC cross-section | Wire UL |
| JHD5-2.5JD |  |
2.5 mm² 1.5 mm² 2.5 mm² |
14 AWG 16 AWG 14 AWG |
| Thickness | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| 5.2 mm | 120 | 5.2/47/42.5 | -/34 A/2.5 mm² |
Specfication:
| Marking tags | ZB5 |
| Screw/Tightening torque(Nm) | M3/0.6 |
| Material | PA |
| Flame retardant rating UL-94 | V0 |
| Dimensions |  |
With universal mounting feet for standard top-hat(Ω profile) and G-profile DIN rail mounting.
