TP75 DC Transient Protection

As of: Wednesday, September 9, 2026

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

Applications

Truck, railroad, tank, bin and hopper scales
Suitable for outdoor use

The TP75 DC load cell surge protector protects an unlimited number of parallel load cells and up to eight in a series. The NEMA Type 4X enclosure assures the sensitive board stays safe and dry during washdown.

TP75 DC Transient Protection Specifications

Protection Type:
Six-wire type with separate shield

Maximum Excitation Voltage:
22.8 VDC

Response Time:
5 nanoseconds

Peak Surge Currents:
100 amps

Grounding:
10 AWG wire or larger (not provided)

Cable Fitting:
Two nylon strain reliefs for 0.187 to 0.312 in diameter cable

Enclosure:
Impact-resistant polycarbonate NEMA Type 4X, 40 psi maximum washdown

Temperature:
Operating: -4 to 149 °F (-20 to 65 °C)

Dimensions:
(L × W × H)
3.16 × 2.20 × 1.18 in

Warranty:
One-year limited

TP75 DC Transient Protection Dimensions

Parts

Part #	Description

33185	Transient Protection Kit, Model TP-75 Load Cell Protector And Mounting Hardware

Options

Part #	Description

31164	Transient Protection TP-75RL Load Cell Protection Board