A Hubbell Company
Our Brands
Careers
Sustainability
LOGIN
MY LISTS
Products
Emergency Communications
Emergency Phones
Towers and Wall-Mount Communication Stations
HUBBCOM™ IP Devices
Multi-function IP Endpoint
Mass Notification
Accessories
Addressable Amplified Speakers
Head-End Equipment
Towers & Modules
Mining Communications
Ground Sentinel® Systems
Loudspeaking Telephone
Mine Dial & Page Telephone
Paging & Intercom
SP2 - VoIP Multicast Paging & Intercom
Page/Party®
HUBBCOM™ IP Devices
ICS
ADVANCE
View All
Public Address & General Alarm
Elemec3
Inputs & Outputs
IP Access Panel Lite
IP Controller
Radio Communications
Industrial Radio
Radio Dispatch Products
Accessories
Adapters / Termination Panels
Addressable Amplified Speaker
Audio Accessory Box
Consoles
View All
Telephones
Hands-free Telephones
Rugged Telephones
HUBBCOM™ IP Devices
Network Rail Approved Telephones
Enclosures
View All
Solutions
Solutions By Market
Business Campuses
Education
Healthcare
Industrial
Military & Government
Mining
Oil & Gas
Power Generation
Public Safety & Security
Transit - Public Transport
Transit – Mass Transit Communications
Wastewater Treatment Facility
Solutions By Product Type
Auteldac 6
Blue Light Emergency Towers
Clean Room Phones
Emergency Phones
Hubbcom™ IP Devices
Rugged Industrial Phones
Markets
Take a Tour
Business Campuses
Education
Healthcare
Industrial
Military & Government
Mining
Oil & Gas
Power Generation
Public Safety & Security
Transit - Public Transport
Transit – Mass Transit Communications
Wastewater Treatment Facility
Resources
Useful Links
Manuals
Product Literature
Certificates & Approvals
ENGINEERING SPECIFICATIONS
TONE REFERENCE LIBRARY
Our Company
About Us
Blog
Contact Us
Find a Sales Contact
Our Locations
Where to Buy
White Paper
Hubbell Connect (previously MyHubbell)
Technical Service & Support
About Technical Service
Contact Technical Service
VOIP TELEPHONE SUPPORT
Return for Credit & Product Repairs (U.S.)
Returns for Repair (U.K.)
Returns for Credit or Replacement (U.K.)
Firmware
HUBBCOM™ Firmware
SP2 Firmware
Software
Audio Messenger Interface (AMI) ACT Software
GUDA - GAI-TRONICS Universal Device Application
Elemec3 - Network PA/GA System
MODBUS Software Download
SP2 - VoIP Multicast Paging & Intercom
Telephone Management Application Software Upgrade (TMA)
GAI-TRONICS' Apps
Elemec3 - IP Access Panel (IPAP) - Download Free App
CONTACT US
GM8950/4000 Hz Ground Check Monitor / Ground Fault Relay
Request a Quote
Brand:
GAI-Tronics
Catalog ID:
GM8950/4000
The GAI-TRONICS GM8950 combined Ground Check Monitor / Ground Fault Relay (GFR) consists of a GM8900 Ground Check Monitor (Ground Sentinel®) and a GFR in a shared housing.
4000 Hz
Eliminate Monitor Crosstalk
Remove Multiple Ground Problems
Extended Cable Lengths are Possible
Monitor and Control over Power Cables
Product details
Resources and downloads
Product details
General
Catalog Number
GM8950/4000
Resources and downloads
Specifications
GM89504000
Literature
Ground Sentinel® Systems
Installation Manuals
Reference Manual GM8950 3-Frequency Ground Check Monitor/ Ground Fault Relay