Modular DIN Rail Earth Grounding Terminal Block Units
- 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
- Connection Method:
- Screw connection
- Rated Cross Section:
- 4 mm²
- Cross Section:
- 0.2 mm² - 6 mm²
- Mounting Method:
- PE foot with mounting screw, M2
- Color:
- green-yellow
An inadequate protective earthing path turns minor industrial fault currents into catastrophic equipment failure. Rather than consuming precious panel space with external copper bars, modular Grounding Terminal Blocks anchor directly onto standard chassis tracks, establishing instantaneous zero-impedance safety bonding.
Low-Impedance Bonding and Fault Protection
Electrical noise, transients, and ground loops degrade sensitive automation signals. Securing an earth terminal block provides dependable equipotential bonding through specific mechanical features:
-
Direct Chassis Earthing: An integrated metal PE foot locks onto symmetrical top-hat or asymmetrical G-profile rails with an M2 screw.
-
High Conductivity: Tin-plated alloy internal current bars route transient surges without localized overheating.
-
Anti-Loosening Clamps: Heavy-duty M3 screw terminations resist constant industrial vibration.
Technical Performance Parameters
| Parameter | Specification |
|---|---|
| Conductor Range | 0.2 – 6 mm² (Nominal: 4 mm²) |
| Rated Current / Voltage | 34 A / > 690 V |
| Flammability Class | UL-94 V0 Polyamide |
| Rail Compatibility | TS 35 Top-Hat & G-Profile |
| Torque / Marking | 0.6 Nm / ZB5 Compatible |
Fast Assembly and Panel Space Optimization
Control enclosures demand streamlined layouts that accelerate cabinet fabrication. Deploying a din rail ground terminal block simplifies production routines:
-
Visual Circuit Identification: Standard green-yellow housing provides instant identification inside dense wire ducts.
-
Direct Track Earthing: Eliminates external copper busbars, freeing valuable enclosure depth.
-
Universal Interlocking: Profile dimensions match adjacent screw-type feed-through series seamlessly.
Panel space remains finite, yet protective circuitry cannot be compromised. Whether standardizing a new distribution layout or retrofitting an automated machine rack, pairing proper wire cross-sections with an approved ground block terminal maintains code compliance from day one.
| Model | Function | Wire IEC cross-section | Wire UL |
| JHD5-4JD |  |
4 mm² 2.5 mm² 4 mm² |
12 AWG 14 AWG 12 AWG |
| Thickness | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| 6.2 mm | 100 | 6.2/47/42.5 | -/34 A/4 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.
