• Opening Times: Mon - Fri 8.00 - 5.00
(844) 358-8126 info@gridsentry.us
3915 Germany Ln Beavercreek, OH

GS-250 Line Sentry

GS-250 LINE SENTRY FEATURES

Wireless Real-Time Cellular, WiFi, DNP3 Direct
Continuous 24/7 Load Logging Near Real-Time Data Feed
Programmable Fault Detection Intelligent, Flexible
Outage Detection Quickly Detect & Pinpoint Outages
Line Temperature Dynamic Line Rating
Current Harmonics Non-Linear Load Detection
Current Waveform Capture Fault Type Identification
No Battery Self-Powered
Local Outage Indicator High Intensity LED
Easy to Install Shotgun Hot Stick
"Last Gasp" Indication of shutdown due to low current or extended outage
Grid Intelligence Current RMS average, max/min current, and fault current magnitude
Weight 3.6 pounds (1.6 Kg)

Pilot Program

GS-250 Line Sensor

We are offering to provide for a period of up to 90 calendar days, three (3) Grid Sentry GS-250 Line Sensor units for a pilot program.

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Pilot Program

DISTRIBUTION AUTOMATION BENEFITS

Operations
  • Reduce outage times via immediate notification and better localization
  • Fault location support
  • Fault identification support
  • Identify trouble spots before outages occur
  • Improved capacity utilization
  • Continuous overload detection
  • Load balancing and phase balancing
  • Recloser detection
Supports Short & Long Term Planning
  • Accurate load history
  • Load and phase balancing data
Security
  • Power theft detection

OPERATING RANGES

Current: 10A to 1000A
Voltage: Up to 69KV, Phase to Phase
Temperature: -40° to +85° C
Conductor Size: 0.198" OD to 1.14" OD

Performance

Line Voltage: 1 to 69kV Phase-to-Phase
Fequency: 45-65Hz
Conductor Range: #6 ACSR Turkey to ACSR 954 Rail
0.198" OD to 1.165" OD
Visual Indication: High intensity LED for line outage
Fault / Event Capture: Pre-event line loading
Fault current measurement up to 25kA
Post-event line loading
Adaptive and absolute fault thresholds
Time of trip
Prevents inrush current false trips
Power Restoration: Time of power-on
Power Source: Inductively upon installation
Energy Source: Maintenance free super capacitors
Communications: Wireless remote DNP3/TCP and /UDP
Online firmware update
Mounting Method: Fiberglass reinforced plastic (FRP)
shotgun(hotstick)

Environmental

Operating Temp: -40°F to +185°F
(-40°C to +85°C)
Storage Temp: -40°F to +185°F
(-40°C to +85°C)

Communications

CDMA Cellular Dual-band support (800 & 1900 MHz)
Data capabilities: 1x/QNC/HSPD
TCP/IP/PPP Firmware upgrade
Over-the-Air (FOTA) 1xRTT data rate to
153 kbps Receiver sensitivity to -104 dBm
GSM Cellular Quad-band for 850/900/1800/1900 MHz
HSDPA/EDGE/GPRS data Class B GSM
07.10 multiplexing protocol Coding
scheme CS1-CS4 Class 4 (2W) for
EGSM850/900 Class 1 (1W) for
GSM1800/1900
WiFi: 2.4 Ghz, 802.11b/g, single stream
802.11n
WEP, WPA/WPA2-PSK Security

Measurements

Line Current Average, max, min
(0-1000 Amps RMS)
Current Accuracy
Waveform Capture
1% of reading
116 samples / cycle
4 cycles before / 8 after fault start
Up to 19th
Line Temperature -67°F to +257°F
(-55°C to +125°C)
Shell Temperature -67°F to +302°F
(-55°C to +150°C)
Cellular Rx Power to -104 dBm

DNP3

General DNP3 over TCP/IP
Sends unsolicited measurement reports at
user configurable rate
"Line Out" and "Last Gasp" sent immediately
UTC time stamped measurement

Physical

Antenna Height 2 in. (50mm)
Weight 3.6lb (1.6Kg)
Housing Material UV stabilized
Dimensions 11"L x 4" Dia.