Al/Cu High Current Terminal Blocks
Connect large cross-section aluminum or copper conductors with JINH JHT5 high current terminal blocks. Choose by conductor material, cross-section, current and required connection configuration—there is no fixed input or output side.
Quick Quote
JINH JHT5 is a family of high current terminal blocks for large aluminum and copper conductors. It is not a one-input/multiple-output distribution block. The conductor openings form connection points within the terminal assembly and are not assigned fixed input or output roles.
- Conductor material: aluminum or copper, subject to the exact model data
- Conductor range: 2.5–240 mm² across the family
- Rated voltage: 800 V on published JHT5 models
- Rated current: 125–425 A for copper; 100–380 A for aluminum
- Connection configurations: model-dependent /1, /2, /3 and /5 versions
- Mounting: TH35-7.5 DIN rail and screw mounting on published models
What Is an Al/Cu High Current Terminal Block?
It is a screw-clamp connector designed to join large cross-section conductors inside an electrical cabinet or equipment assembly. JHT5 supports model-specific aluminum and copper conductor ranges, with separate published current values for each material. Unlike an enclosed power distribution block, it does not use one defined incoming terminal and several smaller outgoing terminals.
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Select by Conductor Size and Current
| Base model | Published conductor range | Cu current | Al current |
|---|---|---|---|
| JHT5-16 | 10–16 mm² | 125 A | 100 A |
| JHT5-35 | 16–35 mm² | 125 A | 100 A |
| JHT5-50 | Cu 2.5–50 mm²; Al 6–50 mm² | 160 A | 145 A |
| JHT5-95 | 16–95 mm² | 245 A | 220 A |
| JHT5-150 | 35–150 mm² | 320 A | 290 A |
| JHT5-240 | 35–240 mm² | 425 A | 380 A |
The table is a family-level guide. Confirm conductor construction, strip length, tightening torque, dimensions and the exact connection configuration before production use.
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High-Current Connections for Aluminum and Copper Conductors
The JHT5 series lets panel builders match the terminal frame to the actual aluminum or copper conductor. JHT5-16 and JHT5-35 cover compact power connections, while JHT5-95, JHT5-150 and JHT5-240 support progressively larger conductors and higher published current ratings.
Suffixes such as /1, /2, /3 and /5 identify different connection configurations. They do not define an incoming or outgoing direction. Use the exact product drawing to verify the number of clamping positions, conductor capacity and electrical data of each version.
Application Scenario
Large-Conductor Panel Connections
Machinery Power Cabinets
HVAC and Pump Control Panels
Industrial Heating Equipment
Infrastructure Electrical Cabinets
OEM Modular Panel Production
Benefits of JHT5 Al/Cu High Current Terminal Blocks
Separate Copper and Aluminum Ratings
Published model data distinguishes copper and aluminum current values for more accurate material-specific selection.
Large Cross-Section Range
The JHT5 family covers model-specific aluminum and copper conductors from 2.5 to 240 mm².
No Fixed Input or Output Side
Connection points join conductors within one terminal assembly without assigning incoming and outgoing directions.
DIN Rail and Screw Mounting
Published models support TH35-7.5 rail installation and screw mounting for flexible panel layouts.
Accessible Hex-Screw Connection
Visible screw access supports controlled assembly, inspection and model-specific torque procedures.
Resource
Al/Cu High Current Terminal Blocks FAQ
No. Use the torque stated for the exact model, conductor material and cross-section. Too little torque can increase contact resistance, while excessive torque can damage the conductor or terminal.
Confirm the permitted conductor construction in the exact product documentation. Where a ferrule or other wire-end preparation is required, use the specified size and approved crimping process.
Follow the exact JHT5 instructions and the applicable installation standard. If a compound is specified, use only the approved type and application method; do not add an unspecified material to the contact chamber.
No. Housing color alone does not prove the protective-earth function. Use only a version specifically identified and approved for PE service in the finished equipment.
Not automatically. Operating-temperature range and full-current capability are different limits. Confirm model-level derating data for the expected enclosure temperature and loaded connection configuration.
With the circuit safely isolated, inspect conductor seating, discoloration, heat damage, corrosion, housing condition and mounting stability. Follow the equipment maintenance procedure and do not retighten beyond the specified torque.
