IN STOCK IRAQ WAREHOUSE (ERBIL / BAGHDAD) | IP68 Rated (Engineered for Outdoor Pit Installation) | COSQC IRAQ VERIFIED

8 LINE Junction Boxes TAB-3

8 LINE Heavy-Duty Weighbridge Junction Box 8 Channels

Name: 8 LINE Heavy-Duty Weighbridge Junction Box 8 Channels
Brand: Bwer
SKU: jb-8line
Price: 120.00 USD
Availability: InStock
Rating: 4.9 (48 reviews)

Standard 16m, 18m, and 20m truck scales (8-loadcell configuration) across all Iraqi governorates.

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                     HARDWARE OPTICAL VIEW
                    Summing for 6, 7, or 8 Load Cells
                

8 LINE Heavy-Duty Weighbridge Junction Box 8 Channels

Summing for 6, 7, or 8 Load Cells IP68 Rated (Engineered for Outdoor Pit Installation)

Metrological Verification: Ultra-Precise Cermet Trimmer Resistors (Signal or Excitation Trimming)

Summing Channels

Summing for 6, 7, or 8 Load Cells Parallel cell summation

Pit Water Sealing

IP68 Rated (Engineered for Outdoor Pit Installation) IP68 Submersion tested

Surge Arrestors

Multi-Stage Heavy Lightning Protection (Gas Tubes + Zener Diodes) Lightning transient barrier

Earthing Stud

Tested to withstand direct 20kV electrical strikes to bridge deck < 1.0 Ohm copper bonding

Corner Trimmers

Ultra-Precise Cermet Trimmer Resistors (Signal or Excitation Trimming) Zero-interaction calibration

Operating Temp

-40°C to +85°C Scale pit harsh range

Enclosure Alloy

Cast Aluminum / Heavy 304 Stainless Steel Housing Heavy 304 stainless / cast

Insertion Loss

Temp Coefficient < 3 ppm/°C Gold-plated PCB traces

Precision Metrology & Electrical Specifications

SPEC VERSION: 2026.1 / CALIBRATION VERIFIED

Scroll table horizontally to view complete data

Structural Architecture	8-Channel Weighbridge Summing Box
Summing Capacity & Load Cell Channels	Summing for 6, 7, or 8 Load Cells
PCB Trace Purity & Insertion Loss	Lossless Analog Signal Distribution
Summing Homogeneity & Signal Margin	Temp Coefficient < 3 ppm/°C
Load Cell Input Resistance Compatibility	Input: Universal 350 Ω to 1000 Ω Compatibility \| Output: Matched Output to Weighbridge Indicator
Insulation Resistance	≥ 10,000 MΩ (Tested at 50V DC)
Excitation Pass-Through Rating	Up to 24V DC
Compensated Temperature Range	-40°C to +85°C
Lightning Surge Arrestors & Ground Lug	Safe: Multi-Stage Heavy Lightning Protection (Gas Tubes + Zener Diodes) \| Ultimate: Tested to withstand direct 20kV electrical strikes to bridge deck
Integral Cable Specification	9 x Heavy-Duty Stainless/Brass Waterproof Cable Glands

8 LINE: Enclosure Metallurgy, Waterproof Glands & Pit Ingress Protection

Summing Junction Box Architecture

8 LINE Enclosure Metallurgy & Gasket Sealing

Cast Aluminum / Heavy 304 Stainless Steel Housing. Engineered for prolonged moisture immersion in scale pits across Iraq.

Deep-drawn 304 heavy-gauge stainless steel or die-cast aluminum enclosure prevents pit rust.
Continuous cellular neoprene perimeter gasket maintains elastic seal under years of compression.
Internal and external captive lid screws made of A2/A4 grade marine stainless steel.

Ingress Protection & Cable Compression (IP68 Rated (Engineered for Outdoor Pit Installation))

Hermetic barrier preventing water and chemical ingress into Summing for 6, 7, or 8 Load Cells summing terminals.

Rated IP67 / IP68: Resists submersion in scale pit rainwater without moisture penetration.
Equipped with 9 x Heavy-Duty Stainless/Brass Waterproof Cable Glands with rubber compression grommets to grip cables securely.
Equipped with internal breathing membrane plug to equalize vapor pressure while rejecting liquid droplets.

Vibration-Proof Terminals & Corner Trim Convergence

The standard workhorse junction box in Iraqi weighbridge engineering; protects delicate load cells from flash floods and seasonal thunderstorms.

Precision Multi-Turn Trimmers Ultra-Precise Cermet Trimmer Resistors (Signal or Excitation Trimming) on each channel allow zero-interaction corner tuning in minimal test truck passes.

Spring-Clamp Terminal Blocks Anti-vibration screw-down or cage-clamp terminals prevent wire loosening under severe 40-ton truck impacts.

Heavy Grounding Bus Bar Tested to withstand direct 20kV electrical strikes to bridge deck for direct foundation lightning bonding.

8 LINE: Multi-Channel Parallel Summing, Surge Arrestors & Home-Run Trunk Wiring

Hardware Interface Map

Channel Terminals & Indicator Trunk Connection Map

CELL INPUT 1..N	+Exc, -Exc, +Sig, -Sig, Shield (Summing for 6, 7, or 8 Load Cells independent channels)
HOME RUN TRUNK	6-Core shielded connection to Indicator (+Exc, -Exc, +Sig, -Sig, +Sen, -Sen)
GDT SURGE STAGE	Multi-Stage Heavy Lightning Protection (Gas Tubes + Zener Diodes) on every excitation and signal conductor
TVS DIODE STAGE	High-speed transient voltage suppressors clamp high-frequency line spikes
GROUND STUD	Tested to withstand direct 20kV electrical strikes to bridge deck to copper earthing ring (< 1.0 Ohm resistance)

Corner Balance Calibration & Signal Integrity

Load Cell Compatibility: Universal 350 Ω to 1000 Ω Compatibility provides universal summing matching.
Insertion Loss: Temp Coefficient < 3 ppm/°C ensures pure millivolt output with zero signal degradation.
PCB Trace Purity: Lossless Analog Signal Distribution prevents galvanic corrosion between terminal joints.
Operating Voltage: Up to 24V DC compatible with all commercial indicators.

Scale Pit Humidity & Desiccant Pack Advisory: In pit-mounted weighbridges across central and southern Iraq, mount 8 LINE at least 400mm above the pit floor. Always place fresh industrial silica-gel desiccant packs inside the enclosure before tightening the lid screws.

8 LINE: Regional Field Performance Across Iraq & High Water Tables

COSQC Legal Verification

Southern Iraq (Basra Water Table & Flooding)

High saline groundwater often submerges weighbridge pits during winter storms. IP68 sealed stainless boxes prevent corrosive water from shorting out cell signals.

Central Iraq (Baghdad & Western Corridors)

Severe electrical ground potential differentials caused by dry soil conditions. Multi-stage 10kA surge arrestors protect sensitive indicators from lightning discharges.

Kurdistan Region (Quarry & Cement Scales)

Heavy aggregate haulers create intense platform vibration. Anti-vibration terminal clamps ensure zero signal interruption on high-throughput scales.

Iraqi COSQC Metrological Sealing Compliance

Features mechanical wire-seal hasps on the enclosure lid. COSQC inspectors can apply official legal lead seals after corner-balancing calibration.

Lead-Wire Seal Provision for COSQC Stamping 10kA Lightning Surge Arrestors Certified IP68 Submersion Tested Enclosure

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