UJB3T6 DC Transient Protector

As of: Friday, July 11, 2025

Standard Features

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

Applications

Installations exposed to significant transients
Protects serial communication lines
Protects load cells

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.

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

Grounding:
20 ft insulated #10 AWG wire

Cable Fitting:
(2) Nylon strain relief for 0.079 to 0.236 in diameter cable

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

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

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

Dimensions:
(L × W × H)
7.63 × 6.63 × 3.25 in

Warranty:
One-year limited

UJB3T6 DC Transient Protector Dimensions

Parts

Part #	Description

21134	Transient Protection, UJB-3T6 Load Cell Protection

Options

Part #	Description

21135	Board,UJB-3T6 Board Only