(Standard Electrical
Power System Device
Function Numbers and
Contact Designations)
Continued…
49 – Machine Or Transformer Thermal Relay (USING EXPANSION
MODULE)
50 – Instantaneous Overcurrent Relay
52 – AC Circuit Breaker
55 – Power Factor Relay (USING INTERNAL PLC EDITOR)
59AC – AC Overvoltage Relay
59DC – DC Overvoltage Relay
62 – Time Delay Stopping Or Opening Relay
63 – Pressure Switch
71 – Level Switch
74 – Alarm Relay
78 – Phase-angle measuring relay
79 – Reclosing relay (USING INTERNAL PLC EDITOR)
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.
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