LCP-1 DC Transient Protector

As of: Wednesday, September 9, 2026

Standard Features

Low cost, non-serviceable
Effective series protection for strain gauge transducers
Encapsulated circuitry ensures positive protection against fungus or corrosion on boards
Two nylon strain reliefs for 0.187 to 0.312 in (4.7 to 7.9 mm) diameter cable

The economical LCP-1 DC Transient Protector can be used indoors or outdoors. It provides series protection for strain gauge transducers.

LCP-1 DC Transient Protection Specifications

Protection Type:
Four-channel series type with separate shield

Maximum Excitation Voltage Rate:
18 VDC or 18 VAC

Clamping Voltage:
75 VDC or 75 VAC

Clamping Time:
<100 nanoseconds typical

Peak Surge Currents:
5,000 amps any line to ground and 5,000 amps excitation to excitation

Maximum Serial Transmission Rate:
30 Kbaud

Grounding:
Through a 0.25 in lug to a 20 ft insulated #10 AWG ground wire provided

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

Enclosure:
Chemically-resistant PVC. This device, for outdoor or indoor service, is not intended for washdown service (NEMA 4) or for submersion (NEMA 6). Optional NEMA 4X available.

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

Leakage:
7,500 M ohm minimum

Dimensions:
(L × W × H)
4.0 × 4.0 × 2.50 in

Warranty:
One-year limited

LCP-1 DC Transient Protector Dimensions

Parts

Part #	Description

21143	DC Protection,LCP-1 1/2in NPT Fitting