The EL504 Signal Trim Junction Box is a compact, space-efficient solution for systems requiring signal trimming of two or four load cells. Designed to meet the demands of truck and floor scales—especially where space is limited—the EL504 ensures durable performance and protection with a stainless steel NEMA Type 4X enclosure.
Its removable miniature connectors simplify installation and servicing, while the conformal coated board protects sensitive electronics in washdown or corrosive environments.
Compact Stainless Steel Enclosure
Ideal for tight installations, truck and floor scales.
Individual Cell Signal Trim
Adjust load cell output for accurate system calibration.
Tool-Free Wiring
Removable two-piece connectors allow fast setup and maintenance.
Protected for Harsh Conditions
Anti-fungal conformal coating and NEMA 4X rating for washdown environments.
Truck Scales
Floor Scales
Tight/limited space installations
| Feature | Details |
|---|---|
| Cable Fittings | (5) Nylon strain reliefs, 0.187–0.312 in diameter |
| Material/Rating | NEMA Type 4X stainless steel enclosure, 40 psi washdown |
| Connectors | Removable Electrovert 5.0 mm screw terminals, up to #14 AWG |
| Trimming | Individual cell signal trim |
| Potentiometers | 100,000 ohm, 25-turn cermet |
| Circuit Board Size | 6.5 × 1.5 in, with anti-fungal conformal coating |
| Operating Temperature | 0 °F to 122 °F (–18 °C to 50 °C) |
| Number of Cells | Two or four (even number only) |
| 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* | 92473 (no section trim) | 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* | 77445, 89889, 89894 | 15655 (cord grip), 15656 (nut)=3/8" NPT, 15628 (cord grip), 15630 (nut)=1/2" SPT | N/A | N/A |
Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
Customer Support: Contact at (844)-735-5386 or info@selletonscales.com for queries or concerns about shipping.
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