Love the situational awareness that the CGR-30 Combo gives me. Easy to read and understand displayed information.
S-300 External Shunt
FAA Approved Accessory
- PMA’d
- 300 Amp
- 3.25″ (W) x 1.75″ (D) x 1.75″ (H)
- 11.5 Oz Unit
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Product Overview
Prices
Retail Prices
Package includes:
- S-300 Shunt
- Installation Instructions
Description
Package
Retail Price
S-300 External 300 Amp Shunt
S-300
$60

Specifications
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Documents
Documents & Manuals
Testimonials
Customer Testimonials
The CGR-30P is working great and it’s an outstanding addition to our avionics package.
E.I. Always Exceeds Expectations!
- Customer
Michael S. from California
- Aircraft
Beechcraft Bonanza Model 33 Debonair
- EI Instrument
Very easy to install and directions were straight-forward.
- Customer
Paul H. from Oklahoma
- Aircraft
Piper PA-28-151 Cherokee Warrior
- EI Instrument
Great customer support. My A&P installed a CGR in a Comanche and liked it.
- Customer
Michael T. from Ohio
- Aircraft
PA28
- EI Instrument
Awesome product. Fast easy installation.
- Customer
Rodney E. from Georgia
- Aircraft
Cessna 172M Skyhawk
- EI Instrument
Easy to install, and the CGR was set up to my aircraft’s exact specifications.
Great company to deal with. Excellent customer service. [I chose this E.I. instrument because it’s] simple and easy to use.
- Customer
Dale C. from Ohio
- Aircraft
Cessna 182D Skylane
- EI Instrument
Some of the best customer service in the avionics network that I’ve had the pleasure of dealing with. [I chose EI because of the] features, simplicity, and the user-friendly platform.
Compact, precise, awesome!
- Customer
Harvey C. from Maine
- Aircraft
Cessna A185F Skywagon and AgCarryall
- EI Instrument
After a full IFR install on my Cessna 175, my two favorite instruments without question is the CGR-30 Combo set. Simple and customizable, the data is invaluable!
Great customer service!