Earthing Ground Wire Terminal Junction Connector Block
- Type:
- Protective conductor terminal block
- Number Of Connections:
- 2
- Number Of Positions:
- 1
- Connection Method:
- Screw connection
- Cross Section:
- 0.2 mm² - 10 mm²
- Mounting Method:
- PE foot with mounting screw, M4
- Color:
- green-yellow
Electrical enclosures require dependable equipotential bonding to route leakage currents directly into the earth path. Standard Grounding Terminal Blocks establish an immediate mechanical and electrical interface with the DIN rail, protecting sensitive automation gear against voltage spikes. Selecting a robust ground wire terminal block prevents nuisance tripping and ensures plant safety during transient overcurrent events.
Low-Resistance Fault Clearing in Electrical Cabinets
Industrial enclosures utilize an earthing connector block to discharge fault currents in compliance with IEC 60947-7-2 standards. These units feature nickel-plated brass clamping yokes and green-yellow polyamide PA66 housings for instant circuit identification.
-
Automatic Grounding Foot: Snaps firmly onto standard TS-35 rails, eliminating separate grounding busbars.
-
Low Contact Resistance: Prevents localized heating under high-amperage short circuits.
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Screw-Clamp Reliability: Delivers gas-tight conductor termination resistant to industrial vibration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Standard Compliance | IEC 60947-7-2 / UL 1059 |
| Wire Range | 0.2 - 6 mm² (24 - 10 AWG) |
| Clamping Body | Tin-Plated Brass Alloy |
| Mounting Support | DIN Rail TS 35/7.5, TS 35/15 |
| Flammability Rating | UL 94 V-0 Self-Extinguishing |
Installation and Reliability Considerations
Shock and Thermal Cycling Protection
Severe machine vibrations often degrade standard screw joints. Installing a quality ground junction block maintains clamping force across wide operating temperatures (-40°C to +105°C). Integrating a dedicated terminal block earth wire minimizes signal interference in automated instrumentation lines.
Wiring Procedures
Securing a terminal block for earth wire requires three straightforward practices:
-
Strip conductor insulation to the recommended length (9-11 mm) without scoring copper strands.
-
Insert wire into the clamping cage and torque the screw to 0.8 N·m.
-
Perform continuity checks across the assembly to confirm zero-potential grounding.
| Model | Function | Wire IEC cross-section | Wire UL |
| JHD5-6JD |  |
6 mm² 4 mm² 6 mm² |
10 AWG 12 AWG 10 AWG |
| Thickness | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| 8.2 mm | 75 | 8.2/47/42.5 | -/57 A/6 mm² |
Specfication:
| Marking tags | ZB6 |
| Screw/Tightening torque(Nm) | M4/1.2 |
| 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.
