Standard features

Protects load cells and indicators from voltage transients
Avalanche diode design
Full six-wire with shield protection
NEMA Type 4X enclosure
Unlimited number of parallel load cells; up to eight in series
Terminal lugs provided
Non-metallic PVC enclosure with separate input and output cable fittings
No soldering, compression or swaged fittings are required

Specifications

Dimensions: (L × W × H) 4.0 × 4.0 × 2.5 in
Temperature: Operating: 0 °F to 122 °F (-18 °C to 50 °C)
Cable Fittings: Nylon waterproof strain-relief type
Cable Diameter: 0.079 to 0.314 in (2 to 8 mm)
Terminal Block: Rated 300 V/15 A; seven-position, screw terminal can each accommodate up to #16 AWG
Warranty: One-year limited
Protection Type: Six-wire type with separate shield
Maximum Excitation Voltage: 22.8 VDC
Response Time: Five nanoseconds
Peak Surge Currents: 100 amps
Grounding: 10 AWG wire or larger (not provided)
Cable Fitting: (2) Nylon strain relief for 0.187 to 0.312 in diameter cable
Enclosure: Impact-resistant polycarbonate NEMA Type 4X, maximum 40 psi washdown

Models & part numbers

Available configurations.

Part / model	Description
21161	EL168 one-cell junction box
33185	TP75 DC transient protection

Options & accessories (1)

31164

Circuit board only

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 608. Specifications are subject to change without notice.