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EL304A Signal Trim Junction Box

  • 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
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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
Two nylon cable strain reliefs,
0.236 to 0.354 in

Rating/Material:
NEMA Type 4X, 40 psi washdown
Fiberglass Reinforced Polyester (FRP)

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

Warranty:
One-year limited

Model Complete J-Box Replacement Replacement Board Only Replacement Cord Grips Replacement Pressure & Condensation Vent Desiccant Packs
JB4SS 88956 88958 58983=PG7
59001=PG11		 88733 PreVent™ breather (vent)
88734 (vent nut)		 92240
JB4ES 91779 89446 58983=PG7
59001=PG11		 88733 PreVent™ breather (vent)
88734 (vent nut) 		 92240
JB4SP
JB4SPT		 91780
92762		 88958
89894		 58983=PG7
59001=PG11		 88733 PreVent™ breather (vent)
88734 (vent nut) 		 16039
JB4EP
JB4EPT		 91781
92763		 89446
89894		 58983=PG7
59001=PG11		 88733 PreVent™ breather (vent)
88734 (vent nut) 		 16039
EL204 73428 88958 N/A N/A N/A
JB8SP 91782
173807 - FM Approved		 89889
172415 - FM Approved		 15655 (cord grip)
15656 (nut)=3/8" NPT
15628 (cord grip)
15630 (nut)=1/2" SPT		 88733 PreVent™ breather (vent)
88734 (vent nut) 		 16039
JB8SPT 91783 89889 (load cell)
89894 (transient protection)		 15655 (cord grip)
15656 (nut)=3/8" NPT
15628 (cord grip)
15630 (nut)=1/2" SPT		 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=PG7
59001=PG11		 N/A N/A
EL211A 91780, JB4SP*
(The board does not have section trim capabilities)		 92473 (The board does not have section trim capabilities) 58983=PG7
59001=PG11		 N/A N/A
EL604-AL 88956, JB4SS* 88958 58983=PG7
59001=PG11		 N/A N/A
EL604STA 88956, JB4SS* 88958 58983=PG7
59001=PG11		 N/A N/A
EL604ETA 91779, JB4ES* 89446 58983=PG7
59001=PG11		 N/A N/A
EL504 21165 21296 N/A N/A N/A
JB808S 91782, JB8SP* 92471 15655 (cord grip)
15656 (nut)=3/8" NPT
15628 (cord grip)
15630 (nut)=1/2" SPT		 N/A N/A
JB818ST 91783, JB8SPT* Need (1) 77445, (1) 89889, (1) 89894 15655 (cord grip)
15656 (nut)=3/8" NPT
15628 (cord grip)
15630 (nut)=1/2" SPT		 N/A N/A

*See catalog page for enclosure dimensions

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 / Quote
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

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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