PR electronics

PR electronics 4131

Signal Conditioners reference

Current

Model Overview

PR electronics 4131 is a current universal trip amplifier from the 4100 series. It accepts RTD, TC, Ohm, potentiometer, mA, and V inputs. It provides 2 relay outputs. This page summarizes its lifecycle status, key specifications, and OEM replacement information.

Model Information

ManufacturerPR electronics

Model4131

Family4100

Categorysignal-conditioners

LifecycleCurrent

InputRTD, TC, Ohm, potentiometer, mA, V

Output2 relay outputs

PowerUniversal AC or DC

MountingDIN rail

Dimensions109 x 23.5 x 104 mm

Isolation2.3 kVAC test / 250 VAC working

Replacement

OEM_REPLACEMENT

2231

PR electronics lists multiple replacement paths for 2231 depending on the original input range and application.

Relationship: This model is listed as a replacement for the model above.

Evidence: OEM_CONFIRMED

OEM_REPLACEMENT

2237

PR electronics lists 4131 as a replacement for discontinued 2237.

Relationship: This model is listed as a replacement for the model above.

Evidence: OEM_CONFIRMED

OEM_REPLACEMENT

2238

PR electronics lists 4131 as a replacement for discontinued 2238.

Relationship: This model is listed as a replacement for the model above.

Evidence: OEM_CONFIRMED

OEM Evidence

PR electronics official obsolete product cross-reference lists 2231 -> 4131, 4179B and 5116A with scope notes.

Source: OEM source

Last verified: 2026-10-05

PR electronics official obsolete product cross-reference lists 2237 -> 4131.

Source: OEM source

Last verified: 2026-10-04

PR electronics official obsolete product cross-reference lists 2238 -> 4131.

Source: OEM source

Last verified: 2026-10-04

Important

Replacement information is provided as a technical reference. Always verify input, output, power, wiring, mounting, configuration and other application requirements before making a replacement decision.