JB4EP and JB4EPT TuffSeal® Excitation Trim Junction Box


  • Jumpers to enable/disable a load cell
  • PreVent™ breather vent
  • Conformal coated circuit board
  • Number of cells: Two, three or four single cells
  • Expansion port
  • Tank and hopper scales

The JB4EP TuffSeal® excitation trim junction box sums two or four single load cell outputs with the potential to expand through the included expansion port. The Fiberglass Reinforced Polyester (FRP), NEMA Type 4X enclosure is optimal protection against harsh environments. Optimal JB4EP TuffSeal applications include tank and hopper scale configurations.

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JB4EP and JB4EPT TuffSeal Excitation Trim Junction Box Specifications

Cable Fittings:
(4) PG7 0.118 to 0.255 strain relief
(2) PG11 0.197 to 0.394 strain relief

NEMA Type 4X
Polycarbonate with overlapping solid cover, stainless steel screws

Temperature Range:
Operating: 0 °F to 122 °F (-18 °C to 50 °C)

Spring clamp screwless, 12 to 28 AWG

Individual cell, excitation trim

100 ohm, 25-turn cermet

Circuit Board:
3.8 × 2.3 in, with conformal coating

One-year limited


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