UJB3T6 DC Transient Protection

As of: Tuesday, November 3, 2026

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
Environments where serial communication lines and load cells must be protected

WARNING: Cancer and Reproductive Harm California Proposition 65

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 A

Maximum Serial Transmission Rate:
50,000 baud

Series Resistance:
0.219 ohm typical

Series Inductance:
110 µH typical

Grounding:
20 ft insulated #10 AWG wire

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

Enclosure:
NEMA Type 4X, 40 psi maximum washdown
Fiberglass reinforced polyester (FRP)

Temperature:
Operating:
4 to 104 °F (-10 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

Part #	Description	List Price
21134	UJB-3T6 Load Cell Protection	List Price: $550.00

Part #	Description	List Price
21135		List Price: $285.00

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