J04ES, J04SS Junction Box

The ANYLOAD J04ES and J04SS are stainless steel junction boxes designed to connect and trim 2 to 4 single load cells within a scale system. Housed in a rugged IP65-rated SS304 stainless steel enclosure, these junction boxes provide reliable signal management for demanding industrial and outdoor weighing environments, with the J04ES supporting excitation trim and the J04SS supporting signal trim depending on the calibration method required.

Each junction box is equipped with independent potentiometers for individual load cell trimming, allowing precise balancing across multiple cells feeding into a single indicator. Captive stainless steel screws simplify field service and prevent hardware loss during maintenance, while M16 input cable fittings accept 4mm to 8mm diameter cable and M20 output cable fittings accommodate 5mm to 9mm diameter cable, supporting a variety of cabling configurations between load cells and the indicator.

For applications requiring hazardous location approval, ATEX, FM, and IECEx certified versions are available, carrying the “-Ex” suffix. Models are also offered with or without lightning protection, sold as J04ES-II and J04SS-II. At approximately 0.7 kg, these compact junction boxes are well suited for platform scales, tank and hopper weighing systems, truck scales, and other multi-load-cell installations across industrial, agricultural, and process weighing applications.

If your system requires a junction box configuration tailored to a specific number of load cells, hazardous area classification, or lightning protection requirement, ANYLOAD can assist with product selection and integration. Our team works with system integrators and OEMs to match junction box specifications to the demands of the application.

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Features

  • Enclosure Material: Stainless steel SS304
  • Number of cells: 2 – 4 single cells
  • Trimming: Individual cell with excitation or signal trim
  • Equipped with independent potentiometers
  • Captive stainless steel screws
  • IP Rating: IP65

Specifications

Number of Cells 2 – 4 single cells
Input Cable Fittings M16: 4mm – 8mm diameter cable
Output Cable Fittings M20: 5mm – 9mm diameter cable
Trimming Individual cell with excitation or signal trim
Enclosure Material Stainless steel SS304
IP Rating IP65

Trimming Range

Load Cell Resistance Signal Trim Excitation Trim
350 Ω 3.6% of output 2.3% of output
700 Ω 6.3% of output 1.3% of output
1000 Ω 7.0% of output 1.0% of output

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