Screw Clamp Terminal Block Types and Fuse Connections
- Type:
- Feed-through terminal block
- Nominal Voltage:
- 800 V
- Nominal Current:
- 32 A
- Number Of Connections:
- 2
- Connection Method:
- Screw connection
- Rated Cross Section:
- 4 mm²
- Cross Section:
- 0.2 mm² - 6 mm²
- Color:
- gray
Industrial control cabinets require stable electrical connectivity to support heavy power loads and signal control. Modern power distribution relies heavily on Screw Type Terminal Blocks for secure mechanical attachment and high vibration resistance.
Industrial Terminal Architecture and Wiring Safety
Every electrical cabinet demands reliable conductor clamping mechanisms. A standard screw clamp terminal secures solid or stranded copper wires within a steel cage, maintaining continuous contact pressure without damaging fine wire strands.
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High clamp force ensures low contact resistance across high-ampere currents.
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Self-locking screw design prevents accidental loosening under equipment vibration.
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Flame-retardant PA66 housing offers mechanical durability and thermal stability up to 105°C.
Variations of Screw Clamp Designs
Selecting correct wiring components prevents voltage drops and circuit faults.
Standard Feed-Through Models
Feed-through configurations establish simple point-to-point connections across DIN rails. Utilizing a robust screw clamp terminal block allows single or multi-level conductor bridging in compact control panels. Hangda feed-through terminal blocks provide universal mounting options compatible with TS35 and TS32 rails.
Integrated Fuse Holder Connections
Circuit protection requires inline current limiting elements. Integrating a screw terminal fuse block into sensitive sensor loops shields controllers against overcurrent spikes.
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Hinged fuse disconnect levers allow fast isolation during line inspection.
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LED status indicators signal blown fuses instantly without manual testing.
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Durable terminal block clamp mechanics isolate short-circuit faults effectively.
Panel builders select screw clamp type terminals to streamline panel layout while ensuring maintenance safety.
Technical Specifications and Selection Standards
The selection table highlights common electrical ratings for Hangda power distribution modules:
| Parameter | Specification | Standard |
|---|---|---|
| Rated Voltage | 600V / 1000V | IEC 60947-7-1 |
| Current Capacity | 24A - 125A | UL 1059 |
| Conductor Cross-Section | 0.2 - 35 mm² | AWG 24 - 2 |
| Insulation Material | Polyamide PA66 | UL 94-V0 |
| Model | Function | Wire IEC cross-section | Wire UL | Thickness |
| JHD5-4 |  |
4 mm² 2.5 mm² 4 mm² |
12 AWG 14 AWG 12 AWG |
6.2 mm |
| Maximum current | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| 32 A | 100 | 6.2/47/42.5 | 800 V/32 A/4 mm² |
Specfication:
| End cover | D2.5-10 |
| Cross-connection 10-Polo,Separable | ZL2-4 ZL3-4 ZL10-4 |
| Insertion bridge 10-Polo,Separable | BLS2-4 BLS3-4 BLS10-4 |
| Partition plate | FP |
| Small Partition | CP |
| Marking tags | ZB6 |
| 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.
