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Compare the VP-X Pro and Sport Models

Which model should you choose?

Here is a comprehensive feature comparison between the VP-X Pro and the VP-X Sport to help you choose the best electronic circuit breaker system for your experimental or light-sport aircraft project. Click here for more information on the VP-X.

Features at a Glance

Description VP-X Pro VP-X Sport
Processors 2 1
Power supplies 2 1
Volts 14V or 28V 14V
Total switched power circuits 31 23
     15A circuits* 3 3
     10A circuits* 8 7
     5A circuits* 15 8
     3A circuits* 1 1
     2A circuits* 2 2
     1A circuits (trim circuits) 2 2
Starter contactor circuit √ √
Starter annunciator √ √
Pitch trim motor controller √ √
Roll trim motor controller √ √
Reversible flap motor control with braking √ √
Flap and trim position sensor inputs √ √
Switch inputs: Panel/Flap & trim 10/6 10/6
Aux battery voltage measurement √ –
Main power input from PPS or battery contactor √ √
RS-232 interface to EFIS √ √
Ethernet interface to PC √ √
*Circuit breaker value can be set anywhere between 1 amp and the maximum value shown.

Electrical System

Description VP-X Pro VP-X Sport
Electronic circuit breakers used throughout √ √
Panel switch inputs to turn devices on/off
(6 more for trim and flaps)		 10 10
Solid-state short circuit protection √ √
Over-current protection for each circuit
(fully configurable)		 √ √
User re-settable circuit protection On EFIS On EFIS
Open-circuit detection (detects burned out landing light, inop boost pump, etc.) √ √
Status (on, off, fault) of each electrical device On EFIS On EFIS
Display of real-time current draw per circuit On EFIS On EFIS
Display of overall aircraft current draw On EFIS On EFIS
Low-voltage alarm On EFIS On EFIS
Over-voltage alert √ √
Over-voltage protection
and automatic alternator shut-off		 √ √
Single alternator support √ √
Dual alternator support √ √
Supports internally-regulated alternators √ √
Supports externally-regulated alternators
(voltage regulator must be used)		 √ √
Supports B&C and Plane Power alternators √ √
Supports single battery electrical system configuration √ √
Graphical display of electrical system and status of components √ √
Backups for critical avionics √ √
Switched power circuits (1A to 15A capacity) 31 23
Dual internal electrical banks per power distribution unit √ –
Aux battery voltage display √ –

System

Description VP-X Pro VP-X Sport
Configure system using: PC PC
Works with 14 volt electrical systems √ √
Works with 28 volt electrical systems √ –

Trim Control

Description VP-X Pro VP-X Sport
Solid-state trim control system √ √
Trim circuits (motor and position feedback) 2 2
Runaway trim protection √ √
Backup pitch trim control √ √
Trim position indicators On EFIS On EFIS
14v regulated trim motor output (no need to buy DC-DC converter for 28v systems) √ √
Automatic variable speed trim motor to reduce trim sensitivity at higher speeds √ √
Power-on trim switch fault detection √ √

Flap Control

Description VP-X Pro VP-X Sport
Solid-state flap control system √ √
Flap circuits (motor and position feedback) 1 1
Electronic motor braking √ √
Flap position display On EFIS On EFIS
Flap over-speed warning (user configurable) √ √
Disable flap down switch above specified airspeed √ √
Momentary flap operation (moves when switch pressed) √ √
Position based flaps (moves to next configurable position) √ √
Flap motor run-on protection √ √
Power-on flap switch fault detection √ √

Wig-Wag (landing light pulsing)

Description VP-X Pro VP-X Sport
Wig-wag automatic when above specified speed √ √
Light warm-up period (configurable) √ √

Starter

Description VP-X Pro VP-X Sport
Disable starter while engine running √ √
Starter engaged annunciator √ √