R15V00 Rev A


14V Alternator Controller Unit (ACU), Voltage Regulator with Built-In OV Sensor

SKU: ZA0014.
Category: .

Product Description

14V Alternator Controller Unit (ACU), Voltage Regulator with Built-In OV Sensor

What’s included:

  • Installation Drawing
  • Warranty Card
  • Product Eligibility Catalog (PEC)
  • Troubleshooting Notes
  • STC Certificate
  • Instructions For Continued Airworthiness Maintenance (ICA)

Product Features:

Voltage Regulation, Remote Voltage Sense

“The Controller or Voltage Regulator, with Remote Voltage sense of the Alternator output, keeps the bus voltage constant by controlling the field current  increasing it when the system load increases and decreasing it when the load drops.”

Low Voltage Warning Light Output1

A warning light connected between pin I and the bus comes on to warn the pilot if the bus voltage exceeds the OV level or the alternator is off-line due to Field-to-Ground Fault Protection (GFP).

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Field-to-Ground Fault Protection (GFP)

An alternator field-to-ground short will cause the field-to-ground short protector to deactivate the Controller and switch on the unit’s Red TSL, and the LV-OV indicator on the instrument panel.

Trouble-Shooting Light (TSL)

The TSL (on the unit) is designed to alert the user to the condition of the Alternator / Controller (ACU) system.

Over-Voltage Protection

The built-in OV Sensor provides OV protection by turning off the OV relay inside the Controller if the bus voltage exceeds 16V. With the relay off, the Controller and the alternator turn off to protect sensitive avionics equipment and the battery.

Other Features:

  • Increased Regulator life
  • Reduced panel lights flicker
  • Warns the Pilot of Low & OV Conditions
  • Protects against grounded alternator field
  • Identifies grounded field. Reduce trouble-shooting time
  • Protects system loads against overexcited alternator

Additional Information

Weight.3 lbs
Dimensions11 × 8.5 × 5.5 in
Model Number

R15V00 Rev A


ACFC01 Mating Connector

Voltage Reg. (VR)

14.2V ± 0.2V

Max Field Current


Over Voltage (OV)

16.0V ± 0.4V

Approval Type

FAA-STC Approved

OEM PN: (Cessna)

C611001-0201, C611001-0101, C611001-0102

Replaces OEM PN (BEECH)


OEM PN (Electrodelta)

VR600, VR600A



Replaces OEM PN (FORD)

D4FF-10316-BA, CA

Aircraft Common Name

Skywagon, Super Skylane, Stationair, Super Cargo Master, Turbo Stationair, Centurion, Cardinal, Cardinal RG, Classic, Skyhawk, Hawk XP, Cutlass, Cutlass RG, Powermatic, Skyhawk Powermatic

Approved Aircraft

150, 150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, 150L, 150M; A150, A150K, A150L, A150M; F150F, F150G, F150H, F150J; FA150, FA150K, FA150L, FA150M. 172, 172B, 172D, 172E, 172F, 172G, 17

Approved Aircraft (GRUMMAN)


Beech (Beechcraft)

35A33, 35B33, 35C33, E33, E33B, F33, H35, K35, M35, N35, P35


Product SupportPDF Requires Acrobat Reader

Warranty Policy

Click the links below to download warranty policy in .pdf format.

Warranty Policy (New Manufactured) PDF Requires Acrobat Reader

Warranty Policy (Recertified) PDF Requires Acrobat Reader

R15V00 Rev A - Zeftronics


Click the links below to download the .pdf


Product Connector FAQ PDF Requires Acrobat Reader

General Product

GCU Cross Reference (Coming Soon)

ACU Cross Reference (Coming Soon)

OVR, OVS, Cross Reference (Coming Soon)

How To

How To Read the Cross Reference Chart FAQ (ACU) PDF Requires Acrobat Reader

How To Read the Cross Reference Chart FAQ (GCU) PDF Requires Acrobat Reader