77C
Symcom Protection Relays, 77C Series
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77C

Symcom Protection Relays, 77C Series
In stock
Item Number
77C
MFG Item Number
77C
Series
Order by 5:00 PM ET and your package will ship the same day.
Product Details

Overview

Protection Relays, 77C Series
Item #
77C
Motor Saver, 1-Ph, 100-240VAC/2-90A

77C Series Information

  • Network Programmable
  • Programmable with 9‑volt battery prior to installation
  • Automatic reset with 3 seperate restart delay timers
  • RS‑485 communications port
  • 3‑digit LED diagnostic display


SymCom's Model 777‑P2 is a fully programmable electronic overload relay. It is designed to monitor and protect any 3‑phase, 200‑480VAC motor drawing 2‑800 full load amps (external CTs are required above 90 amps). It provides unsurpassed protection from faulty voltage, underload and overload conditions.

The 777‑P2 incorporates a 3‑digit LED display that is used for programming, providing real‑time operational information and displaying diagnostic codes to aid in troubleshooting a fault condition.


Protects 3‑phase motors from:
  • High Voltage
  • Low Voltage
  • Reverse‑phase
  • Current unbalance
  • Ground fault, Class II

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Specifications

Specifications
Manufacturer Part Number 77C
Item Number 77C
Manufacturer Symcom
Product Series 77C
Family Series Symcom Protection Relays, 77C Series
Number of Phases 1
Voltage Supported 110-240 V
Current Supported 2-800 A
Hi Pwr (Over Vltg) Trip Yes
Lo Pwr (Under Vltg) Trip Yes
Under Current Detect Yes
Over Current Detect Yes
Variable Point Trip Yes
Phase Loss Detect No
Phase Rvrse/Rotatn Detect No
Voltage Unbalance Detect No
Current Unbalance Detect No
Contact Failure Detect No
Time Delay Trip (Sec) 2-60 s
Restart Delay (Sec) 2-30,000 s
Rapid Cycling Detect Yes
Var Restart Delay Yes
Manual Reset Yes
Type of Display LED Digital Display
Lo KW Trip Detect No
Lo HP Trip Detect No
Ground Fault Class II
Communications Modules Com-DN, Modbus RTU
Mounting Surface
Output Relay SPDT
Net Weight 1.2 lbs
Gross Weight 1.2 lbs
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