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List of Device Numbers
* c0 C4 B" r3 z! i) |8 S& xClick to learn more...$ n6 b! I7 x5 i0 u+ K8 D2 i
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* 1 - Master Element. B, o* T; P' z; v2 p( j* i0 Q
* 2 - Time Delay Starting or Closing Relay
* L; L; H( w0 g6 e' n * 3 - Checking or Interlocking Relay
/ a' R! k9 ~( G; Y `( J; f * 4 - Master Contactor# Y# q2 ?. ]8 U* w# A; w# Z1 n3 h
* 5 - Stopping Device! G- c8 a2 Z* |( ?* m
* 6 - Starting Circuit Breaker
- d; |! T* ]: _, H * 7 - Anode Circuit Breaker
) ^4 h; B+ W5 [0 d- I5 { * 8 - Control Power Disconnecting Device( \1 h/ F, s! |# [
* 9 - Reversing Device. @! T% h9 W( Z& }% `. y
* 10 - Unit Sequence Switch* E9 X( B& B3 A8 S! R3 M
* 12 - Overspeed Device
; ^ Z1 ]5 O+ H$ p0 z* s$ Y7 L: n * 13 - Synchronous-speed Device
+ a8 c* |9 v& s0 T: q/ ]5 O$ O * 14 - Underspeed Device
/ _( |" L# ?% ^9 d) N1 X" X$ H$ f * 15 - Speed - or Frequency-Matching Device
8 x! v4 C9 N$ }( m: {% b/ | * 21 - Distance Relay' x1 f: _& j3 a5 s) v. l
* 23 - Temperature Control Device) ?! p' f, T. @7 e+ \
* 25 - Synchronizing or Synchronism-Check Device
. ]8 A/ F7 e8 S- t7 P * 26 - Apparatus Thermal Device
0 ]8 T! c; C5 T/ ? * 27 - Undervoltage Relay
3 N& `, h4 L5 u, G8 |4 }7 d! w * 29 - Isolating Contactor
^7 i7 ~8 @2 F * 30 - Annunciator Relay
+ G- x7 f ^3 E. ~- s2 A * 32 - Directional Power Relay( |0 B g' ~# F1 p
* 36 - Polarity or Polarizing Voltage Devices9 V. u: g3 B. e
* 37 - Undercurrent or Underpower Relay( r2 U9 F7 P0 R1 D* j
* 38 - Bearing Protective Device* D M1 O( ~/ m- n
* 39 - Mechanical Conduction Monitor
- i$ u& r& {. S3 E! i3 V8 j: R* P; ] * 40 - Field Relay. R& s2 Q& h2 ?) b _; {# b0 r
* 41 - Field Circuit Breaker
0 h. Y4 p: s+ }6 ^, b* p# W * 42 - Running Circuit Breaker9 N, [# C9 k* F
* 43 - Manual Transfer or Selector Device5 y* k& r; M% n8 X
* 46 - Reverse-phase or Phase-Balance Relay9 w4 `6 u* i, w$ V( ~% T% e- f
* 47 - Phase-Sequence Voltage Relay
3 D5 F* E0 _7 {; y4 i * 48 - Incomplete-Sequence Relay
* s5 l" s1 O$ d. B * 49 - Machine or Transformer Thermal Relay
/ c) p4 [7 D4 c! m * 50 - Instantaneous Overcurrent
1 f9 ^) D5 ]; d5 n3 f7 J. [8 ]* ?+ s * 51 - AC Time Overcurrent Relay: Z* E9 Q9 x/ t* T. H- x
* 52 - AC Circuit Breaker: e- o0 L& `$ N0 d2 h/ a# `
* 53 - Exciter or DC Generator Relay8 S0 {: e6 { k/ C, ~3 j: I
* 54 - High-Speed DC Circuit Breaker
! h( Q# @7 V- g6 \ * 55 - Power Factor Relay3 H( u m) i/ [
* 56 - Field Application Relay
& I, X% Q+ g7 U! \, G * 59 - Overvoltage Relay* J; F! e7 X2 F+ J" p& R; w
* 60 - Voltage or Current Balance Relay& T9 b w- Q; c4 a! `6 E/ \
* 61 - Machine Split Phase Current Balance
3 D+ H3 P! _) W/ k+ {% m s' N) n * 62 - Time-Delay Stopping or Opening Relay
g" k' i! ~& Z. o( x9 x4 ~ z# x * 63 - Pressure Switch1 L4 }+ f5 W* l, l9 C+ O2 _4 P- A
* 64 - Ground Detector Relay3 V7 J1 k2 d. y, y0 @
* 65 - Governor
2 @1 f" L4 H- a9 f9 i8 f+ E * 66 - Starts per Hour$ {8 A' k/ ~" u) I8 h+ |& a5 B
* 67 - AC Directional Overcurrent Relay) x; v. L% z/ I# ]* F
* 68 - Blocking Relay
8 _9 ?2 f% N+ @- _5 Z& ]4 k * 69 - Permissive Control Device
# X1 ~! }' G# ^# A' j * 71 - Level Switch( z }2 ~5 n, \* x& d; H
* 72 - DC Circuit Breaker2 r, z+ P+ p# v9 T! I. A$ ]! W
* 74 - Alarm Relay4 d/ {# h" U4 l! o% ?' h
* 75 - Position Changing Mechanism
, L9 @0 l% p& C* h- K$ O/ ~ * 76 - DC Overcurrent Relay3 `/ Q+ `; `5 B6 V# H9 l3 n9 z
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
) [& |: ]2 b; o; q+ ^) d- S * 79 - AC-Reclosing Relay
" L# B5 z2 Y% k6 l * 81 - Frequency Relay s7 K! J. N' ]5 ^; o: s
* 83 - Automatic Selective Control or Transfer Relay
& P+ e0 n: y" T5 j2 ?3 A2 [ * 84 - Operating Mechanism
: A/ K; L# i- j/ A9 s' ` * 85 - Carrier or Pilot-Wire Receiver Relay
& L3 e7 ^, F8 p I0 B+ \ * 86 - Lockout Relay
" W; P% B+ Y2 N9 ^ * 87 - Differential Protective Relay$ [- V& w+ {! X5 k/ y
* 89 - Line Switch
' V, O) n% G& e4 j * 90 - Regulating Device
9 z1 m4 [* D' _2 n * 91 - Voltage Directional Relay' U- ~& O' e. \" p T2 L
* 92 - Voltage and Power Directional Relay: N( T# ^8 n4 }$ @" i# v
* 94 - Tripping or Trip-Free Relay! s+ r9 I3 D9 r, {. R, l# l
* 95 - Reluctance Torque Synchrocheck
9 \& R" V1 n# E * 96 - Autoloading Relay |
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