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List of Device Numbers& G) q* Z% M9 L# D/ h4 U
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" c& C" g0 p1 L: w * 1 - Master Element
. @ g$ x( ^0 X3 P7 h * 2 - Time Delay Starting or Closing Relay3 c8 ^, o+ l: w) B2 U0 J
* 3 - Checking or Interlocking Relay8 o5 B4 u; _ I
* 4 - Master Contactor I$ d3 k1 W, `1 p' G& b9 ^
* 5 - Stopping Device
1 P z7 @3 ]* D a) ~( v F * 6 - Starting Circuit Breaker* i$ P% ^: J) a4 u: d& ]! x3 d2 \
* 7 - Anode Circuit Breaker( {+ L7 h* ]2 G7 N" P9 _% h- ~" t
* 8 - Control Power Disconnecting Device
$ @1 n+ q; W+ H! e% g * 9 - Reversing Device
2 n1 _2 _5 V1 b# l" Q+ I* M: [2 T * 10 - Unit Sequence Switch
; f* }! m$ J7 M% [5 x2 K6 C' e * 12 - Overspeed Device5 {9 P _0 [) _9 \, @) i
* 13 - Synchronous-speed Device/ j1 u. C8 E5 P, p
* 14 - Underspeed Device* e; I6 z9 \# u% q: l( b" c
* 15 - Speed - or Frequency-Matching Device0 X& x, D5 x, a! F! D
* 21 - Distance Relay% ]2 ? Y4 ?' d7 V8 c- V% W
* 23 - Temperature Control Device5 u. w. i/ ^6 o
* 25 - Synchronizing or Synchronism-Check Device
t: G/ e; ]0 Q* f * 26 - Apparatus Thermal Device
! g7 d( m# a; u * 27 - Undervoltage Relay
4 I0 D* x' ?/ W! u" w6 |. |1 \ * 29 - Isolating Contactor. l6 L. w/ @- R, o4 q$ B* [
* 30 - Annunciator Relay- Z$ g# d4 D9 Q2 i- Q1 f: r
* 32 - Directional Power Relay
- j! g4 e& `2 q% t; ^( ? * 36 - Polarity or Polarizing Voltage Devices
$ D. Y, v3 f# }. G/ g * 37 - Undercurrent or Underpower Relay- R8 b, O- K+ E
* 38 - Bearing Protective Device
+ A* }( J# _5 ?8 K, \7 s, x * 39 - Mechanical Conduction Monitor; g$ f* ?* g* d9 B' L, _$ U2 v
* 40 - Field Relay; o& P( t& l2 G. B* o' ]8 T
* 41 - Field Circuit Breaker" y4 n! a) B. F) W
* 42 - Running Circuit Breaker1 |+ ]2 P0 z; N# _
* 43 - Manual Transfer or Selector Device2 i0 q; t% ?" b
* 46 - Reverse-phase or Phase-Balance Relay
* J5 L' y' P3 `$ y# t * 47 - Phase-Sequence Voltage Relay
" l% a D* h% i- M% L% h * 48 - Incomplete-Sequence Relay
$ a9 `" K+ h& D4 O. W6 l * 49 - Machine or Transformer Thermal Relay5 q; {, |1 [' C! ]% ]- O# @4 l
* 50 - Instantaneous Overcurrent
- l) [! {! a& b: f9 Y6 f * 51 - AC Time Overcurrent Relay6 m2 T7 O: g5 I+ ^: A' E
* 52 - AC Circuit Breaker) u+ \) ?; M# o9 C* Q; i3 Q
* 53 - Exciter or DC Generator Relay2 r& F* Y" Y- E/ Y# d
* 54 - High-Speed DC Circuit Breaker1 T0 ^& P3 ^' Q
* 55 - Power Factor Relay3 C9 ?* V6 {) u) c; f2 X
* 56 - Field Application Relay+ D" Y% b3 w4 Y$ [( Y3 C. t- W$ h
* 59 - Overvoltage Relay( u7 o1 r2 H, A0 Q0 i
* 60 - Voltage or Current Balance Relay
" }4 F5 I$ O, j. ? * 61 - Machine Split Phase Current Balance {8 o/ A# M" S1 X+ G! N& x! n
* 62 - Time-Delay Stopping or Opening Relay/ l& M1 z7 f) G1 ]5 C
* 63 - Pressure Switch% n4 X. }$ m5 o4 F: }
* 64 - Ground Detector Relay
0 r; ^# B, `! T# ?5 U! f * 65 - Governor. h4 J. u3 P! @4 o" A$ @
* 66 - Starts per Hour
0 V( T( a1 J w$ Z! A2 N& d * 67 - AC Directional Overcurrent Relay
: }" x S' c" M * 68 - Blocking Relay6 d$ V* J% l% W/ \0 X' X0 ^- U
* 69 - Permissive Control Device$ I! ?" M% X3 y
* 71 - Level Switch6 J+ a5 d' ^2 U/ \' I2 P7 _- o& V
* 72 - DC Circuit Breaker
' u& i) d8 w! h! w * 74 - Alarm Relay" X7 x# [6 w" u+ \1 a
* 75 - Position Changing Mechanism
, z& K! Y0 Y% k; v1 f) H * 76 - DC Overcurrent Relay
/ L/ S0 S" m) i/ S! z7 b1 Y5 h * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay( ]' M; _$ A( `
* 79 - AC-Reclosing Relay
3 X) [) B; ]# S, i * 81 - Frequency Relay( i( w& V4 u; f) ]8 Y
* 83 - Automatic Selective Control or Transfer Relay
" s( M/ ]& w+ |* D * 84 - Operating Mechanism: {& Z7 o6 O3 @( w* G
* 85 - Carrier or Pilot-Wire Receiver Relay, f6 z5 u; S9 Q) \/ K
* 86 - Lockout Relay7 K' H: Z* Q( g$ y7 {
* 87 - Differential Protective Relay
( y6 [4 M k4 N/ ^- K8 H * 89 - Line Switch
) } H4 ], q7 p" `6 d, P * 90 - Regulating Device* b* t4 | S0 s' D6 Z, ^
* 91 - Voltage Directional Relay' ^# Q9 p( S( ^" U# N5 _
* 92 - Voltage and Power Directional Relay
( @' C- g9 x: B9 [& u" n4 ?# @- r * 94 - Tripping or Trip-Free Relay
: p6 c1 S4 b$ R8 y * 95 - Reluctance Torque Synchrocheck
- n8 p u/ ^% `7 r+ M# O * 96 - Autoloading Relay |
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