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EL304A Signal Trim Junction Box

  • Fiberglass Reinforced Polyester (FRP), NEMA Type 4X enclosure
  • Strain relief cable fittings
  • Individual cell signal disconnect switches
  • Number of cells: Two or four single cells (even number of cells only)
  • Corner and/or section trim applications
  • Expansion port
Applications
  • Livestock scales
  • Tank and vessel weighing

The EL304A signal trim junction box has a NEMA Type 4X, Fiberglass Reinforced Polyester (FRP) enclosure which provides optimal protection to the internal sensitive signal board. Individual cell signal disconnect switches help in diagnosing troubled load cell signals. The EL304 signal trim junction box has capacity for two or four load cells with expansion potential.

Cable Fittings:
Four nylon cable strain reliefs
0.079 to 0.236 in (2.0 to 6.0 mm)
Two nylon cable strain reliefs
0.236 to 0.354 in (6.0 to 9.0 mm)

Connectors:
Electrovert 0.197 in (5.0 mm) miniature screw terminals. Maximum wire size #14 AWG

Trimming:
Individual cell and section, signal trim

 

Potentiometers:
100,000 ohm, 25-turn cermet

Enclosure:
FRP NEMA Type 4X, 40 PSI washdown

Warranty:
One-year limited

 

Complete J-Box Replacement Replacement Board Only Replacement Cord Grips Replacement Pressure & Condensation Vent Desiccant Packs
JB4SS 88956 88958 58983 59001 88733 PreVent™ breather (vent) 88734 (vent nut) 92240
JB4ES 91779 89446 58983 59001 88733 PreVentbreather (vent) 88734 (vent nut) $1.05 92240
JB4SP JB4SPT 91780 92762 88958 (load cell) and
89894 (transient protection)
58983 59001 88733 PreVent breather (vent) 88734 (vent nut) 16039
JB4EP JB4EPT 91781 92763 89446 (load cell) and
89894 (transient protection)
58983 59001 88733 PreVent breather (vent) 88734 (vent nut) 16039
EL204 73428 88958 N/A N/A N/A
JB8SP 91782 **89889 15655 (cord grip) and 15656 (nut)=3/8" NPT 15628 (cord grip) and
15630 (nut)=1/2" NPT
88733 PreVent breather (vent) 88734 (vent nut) 16039
JB8SPT 91783 89889 (load cell) and 89894 (transient protection) 15655 (cord grip) and 15656 (nut)=3/8" NPT 15628 (cord grip) and
15630 (nut)=1/2" NPT
88733 PreVent breather (vent) 88734 (vent nut) 16039
EL304A 21169 21301 N/A N/A N/A
JB1010 36231 36351 N/A N/A N/A
JB1010ST 68813 68811 N/A N/A N/A
EL210 91781, JB4EP* 92472 58983 59001 N/A N/A
EL211A 91780, JB4SP (However the board does not have section trim capabilities)* 92473 (However the board does not have section trim capabilities) 58983 59001 N/A N/A
EL604-AL 88956, JB4SS* 88958 58983 59001 N/A N/A
EL604STA 88956, JB4SS* 88958 58983 59001 N/A N/A
EL604ETA 91779, JB4ES* 89446 58983 59001 N/A N/A
EL504 21165 21296 N/A N/A N/A
JB808S 91782, JB8SP* 92471 15655 (cord grip) and
15656 (nut)=3/8" NPT 15628 (cord grip) and 15630 (nut)=1/2" NPT
N/A N/A
JB818ST 91783, JB8SPT* Need (1) 77445 (1) 89889 and (1) 89894 15655 (cord grip) and
15656 (nut)=3/8" NPT 15628 (cord grip) and 15630 (nut)=1/2" NPT
N/A N/A

Resources / Downloads

Title Download Email
EL304A Catalog Page Download Email

Title Version Revision Download Email Category Archived
EL304A Four-Channel Signal Trim Junction Box Installation Manual A Download Email Junction Boxes No

Title Download Email
Replacement Junction Boxes, Boards or Components Catalog Page Download Email

Parts

Part # Description List Price Cart
21169 J-Box,ST EL304A 4 CHAN Expandable FRP NEMA 4X

List Price: $325.00

21301 Board,ST EL304A 4 CHAN

List Price: $235.00

165275 Enclosure,EL304A Only EL304A Junction Box Enclosure With Cord Grips Board Backplate and Cover

List Price: $180.00

Options

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Replacement Parts

Replacement parts can only be purchased through trained and authorized dealers. You must be logged in as a dealer to view any available replacement parts.

To locate a dealer in your area, please call us at 1-800-472-6703 or fill out a request online.

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The EL204 signal trim junction box is a fit choice for summing two to four single cells in floor, hopper, tank or livestock applications.

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EL504 Signal Trim Junction Box

For signal trimming of two or four load cell outputs individually, the EL504 signal trim junction box is perfect for a variety of scales and installations.

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