UJB3T6 DC Transient Protector


  • Protects load cells from voltage transients
  • Compatible with signals down to 1 μV per grad
  • Factory serviceable
  • Full six-wire with shield protection
  • #6 SEMS screw type; accepts spade lugs, tinned leads or bare wires up to #12 AWG
  • Up to eight parallel or summed load cells
  • Installations exposed to significant transients
  • Protects serial communication lines

The factory-serviceable UJB3T6 DC Transient Protector can protect up to six data lines or eight load cells. The fiberglass reinforced polyester enclosure can withstand up to 40 psi in washdown applications.

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UJB3T6 DC Transient Protector Specifications

Protection Type:
Six-wire type with separate shield

Maximum Excitation Voltage:
20 VDC or 20 VAC

Clamping Voltage:
75 VDC or 75 VAC

Clamping Time:
75 VDC Stages <100 nanoseconds typical

Peak Surge Currents:
75 VDC Stage, 5,000 amps

Maximum Serial Transmission Rate:
50K baud

Series Resistance:
0.219 ohm typical

Series Inductance:
110 µH typical

20 ft insulated #10 AWG wire

Cable Fitting:
Two nylon strain relief for 0.079 to 0.236 in diameter cable

NEMA Type 4X, maximum 40 psi washdown
Fiberglass Reinforced Polyester (FRP)

Temperature Range:
4 °F to 104 °F (-10 °C to 40 °C)

Circuit Board:
6.75 × 4.75 in with anti-fungal coating

(L × W × H)
7.63 × 6.63 × 3.25 in

One-year limited


Transient Protection, UJB-3T6 Load Cell Protection, Board,UJB-3T6 Board Only


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