Specification
Page 25 of 100
057-230 ISSUE: 1
IEEE C37.2
(Standard Electrical
Power System Device
Function Numbers and
Contact Designations)
Continued…
50
– Instantaneous Overcurrent Relay
52
– AC Circuit Breaker
53
– Exciter Or DC Generator Relay
54
– Turning Gear Engaging Device
59AC
– AC Overvoltage Relay
59DC
– DC Overvoltage Relay
62
– Time Delay Stopping Or Opening Relay
63
– Pressure Switch
71
– Level Switch
74
– Alarm Relay
81
– Frequency Relay
83
– Automatic Selective Control Or Transfer Relay
86
– Lockout Relay
In line with our policy of continual development, Deep Sea Electronics, reserve the right to change specification without notice.
