PR electronics
PR electronics 4179B
Signal Conditioners reference
Current
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Model Overview
PR electronics 4179B is a current universal trip amplifier from the 4100 series. It accepts 0-5 A AC RMS or 0-300 V AC RMS inputs. It provides 2 relay outputs. This page summarizes its lifecycle status, key specifications, and OEM replacement information.
Model Information
ManufacturerPR electronics
Model4179B
Family4100
Categorysignal-conditioners
LifecycleCurrent
Input0-5 A AC RMS, 0-300 V AC RMS
Output2 relay outputs
Power21.6-253 VAC / 19.2-300 VDC
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 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
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.