Industrial Screw Clamp Type Terminal Fuse Block Series
- Type:
- Installation terminal block
- Nominal Voltage:
- 800 V
- Nominal Current:
- 125 A
- Connection Method:
- Screw connection
- Rated Cross Section:
- 35 mm²
- Cross Section:
- 0.75 mm² - 35 mm²
- Color:
- gray
When unexpected overcurrent surges hit motor branch circuits, downstream solid-state relays risk permanent thermal destruction within milliseconds. Deploying Screw Type Terminal Blocks equipped with coordinated fuse protection isolates catastrophic line faults immediately, preventing scorched wire harnesses across crowded control cabinets.
Fault Isolation Meets Mechanical Clamping Force
High-vibration machinery frequently degrades push-in terminations over months of thermal cycling. In contrast, heavy-duty screw clamp type terminals utilize cold-rolled steel cages to maintain constant pressure against stranded copper conductors.
Mechanical Protection Parameters
-
Vibration-proof clamping: Zinc-dichromate steel screws resist back-out torques, sustaining wire compression without periodic maintenance re-tightening.
-
Blown-fuse indication: Each screw terminal fuse block features integrated neon or LED indicators, identifying blown circuits at a glance during scheduled inspections.
-
Arc suppression: High-grade Polyamide 6.6 barriers contain internal arcing during rapid fuse clearing.
Electrical & Thermal Ratings
| Parameter | Rating Standard |
|---|---|
| Rated Voltage (Ui) | 1000 V AC/DC |
| Short-Circuit Withstand (Icw) | 100 kA Interrupting Rating |
| Wire Acceptance | 0.5 mm² – 35 mm² |
| Screw Tightening Torque | 2.5 – 3.0 Nm |
| Housing Flammability | UL 94 V-0 Rated |
Cabinet Space Allocation and Wire Routing
Dense industrial enclosures demand efficient component spacing without compromising heat dissipation or maintenance access.
Assembly Workflow Advantages
-
Compact DIN-rail layout: Swapping individual inline holders for a modular screw clamp terminal block cuts horizontal rail consumption up to forty percent.
-
Conductor strain relief: The serrated bottom of each terminal block clamp bites firmly into bare stranded leads, blocking tensile pullout forces.
-
Safe fuse handling: Hinged disconnect levers isolate live circuits prior to cartridge extraction, preventing accidental hand contact.
Direct wiring errors disappear when every feed path features dedicated labeling slots and transparent test sockets. For projects requiring high-current distribution paired with isolated circuit branches, JHD5-35 installation units and modular screw clamp terminal systems provide certified, drop-in cabinet protection ready for immediate panel assembly.
| Model | Function | Wire IEC cross-section | Wire UL | Thickness |
| JHD5-35 |  |
35 mm² 35 mm² 35 mm² |
0 AWG 2 AWG 0 AWG |
15.2 mm |
| Maximum current | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| 125 A | 32 | 15.2/51/55 | 800/125 A/35 mm² |
Specfication:
| End cover | CP |
| Cross-connection 10-Polo,Separable | ZL2-35 ZL3-35 |
| Marking tags | ZB10 |
| Screw/Tightening torque(Nm) | M6/2.5 |
| 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.