Standard features

Jumpers to enable/disable a load cell
PreVent™ breather vent
Conformal-coated circuit board
Connect two, three or four single load cells
Expansion port

Specifications

Cable Fittings: (4) PG7 0.118 to 0.255 in strain relief (2) PG11 0.197 to 0.394 in strain relief
Rating/Material: NEMA Type 4X Stainless steel
Connectors: Spring clamp screwless, 12 to 28 AWG
Trimming: Individual cell, excitation trim
Temperature: Operating: 0 °F to 122 °F (-18 °C to 50 °C)
Potentiometers: 100 ohm, 25-turn cermet
Circuit Board: 3.8 × 2.3 in, with conformal coating
Warranty: One-year limited
Approvals: cFMus

Models & part numbers

Available configurations.

Part / model	Description
91779	JB4ES excitation trim junction box
89446	Board only
165271	Enclosure only (includes cord grips and filter)

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 593. Specifications are subject to change without notice.