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List of Device Numbers
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- @: F" w1 Q% _. e) o * 1 - Master Element8 i" C3 a( j1 x* c0 w1 T
* 2 - Time Delay Starting or Closing Relay
2 W* t- G" M- k( K9 ~2 H * 3 - Checking or Interlocking Relay; c+ H4 d# h' ^8 W0 P
* 4 - Master Contactor
% Y& e9 A5 H: |" Q, T * 5 - Stopping Device
9 K# S% \ E) B9 ~! M2 T: J * 6 - Starting Circuit Breaker" i, E; [, Y( c1 w' A0 O0 e$ V: S
* 7 - Anode Circuit Breaker1 K" a0 \! S5 U9 y3 X7 ^
* 8 - Control Power Disconnecting Device; r0 k5 D! N! z7 ]& r
* 9 - Reversing Device
: Y$ m0 {' y, T- J3 b4 x1 K * 10 - Unit Sequence Switch' g; O3 O7 M }$ y
* 12 - Overspeed Device
/ ~9 t# _+ C+ Q * 13 - Synchronous-speed Device
- J2 }2 G1 h8 V9 e% W4 V * 14 - Underspeed Device
@" u6 l' m: Y3 u * 15 - Speed - or Frequency-Matching Device
( a5 V; D9 c& G. W; l * 21 - Distance Relay
5 n0 a" T% w$ {2 ~; g; \ * 23 - Temperature Control Device
* T$ y) j% s& N3 X' o * 25 - Synchronizing or Synchronism-Check Device
7 E8 C! o- f8 b8 d# e7 W6 ~ * 26 - Apparatus Thermal Device
* [7 m) H. m" t7 T9 z# [6 V * 27 - Undervoltage Relay
% ?( G; x$ C3 C7 |+ D1 h% a9 E * 29 - Isolating Contactor& l7 i6 S; u$ s/ T- Q
* 30 - Annunciator Relay+ t- I6 ~9 ~' \# p( D# K7 y
* 32 - Directional Power Relay% t# ^$ ]$ `) G! _* m e. {% H
* 36 - Polarity or Polarizing Voltage Devices! h8 y8 R! d' T
* 37 - Undercurrent or Underpower Relay
' a9 M- `2 d! {# v3 z * 38 - Bearing Protective Device1 E; k& P! S0 |/ {! V9 E; s- q
* 39 - Mechanical Conduction Monitor* f5 r3 I" Q* }+ |$ \
* 40 - Field Relay+ V$ |" F& H& G/ s
* 41 - Field Circuit Breaker, g8 q& B" B3 h9 Z3 W6 x! k
* 42 - Running Circuit Breaker
5 _3 _0 Q) T% i) H) s * 43 - Manual Transfer or Selector Device
! t- `4 |$ w6 ]7 c z * 46 - Reverse-phase or Phase-Balance Relay
9 W% W9 `, O* O5 X( n7 r6 k1 C, W) B * 47 - Phase-Sequence Voltage Relay
* z0 J: Z" v& I0 a * 48 - Incomplete-Sequence Relay
3 L2 [! m( Q) m4 S * 49 - Machine or Transformer Thermal Relay8 O& `8 a( m4 [+ t* o+ g
* 50 - Instantaneous Overcurrent. C: F4 p4 \1 V9 O, n2 }% q# P
* 51 - AC Time Overcurrent Relay8 \/ x5 H# n/ P
* 52 - AC Circuit Breaker
) P% \) w& l! R1 _ * 53 - Exciter or DC Generator Relay1 I$ v, b* q; j) v0 \0 T! G
* 54 - High-Speed DC Circuit Breaker
, t- V8 i3 n" j1 x * 55 - Power Factor Relay8 w' N6 g& q ]5 T% V l
* 56 - Field Application Relay( U/ |( V( }6 r% c
* 59 - Overvoltage Relay
) y1 U5 X+ `: B * 60 - Voltage or Current Balance Relay0 ?. `/ b# ?1 W! ]' d* p1 S$ h% f2 W
* 61 - Machine Split Phase Current Balance
7 d6 C8 p6 i# ]( e. t * 62 - Time-Delay Stopping or Opening Relay3 s3 \4 y# C$ Q6 c/ E
* 63 - Pressure Switch
; A, m1 r( g; X8 p; v% y * 64 - Ground Detector Relay
1 s7 w% i( y2 L5 y* W! ^ * 65 - Governor- Z( h; T, E2 z% l8 \- ?/ l
* 66 - Starts per Hour3 g# z1 i2 h; x V! N
* 67 - AC Directional Overcurrent Relay
, _. S- ?, F7 \8 B$ H, c- D * 68 - Blocking Relay3 R0 m& R( m! Q- N
* 69 - Permissive Control Device
1 x3 B0 a) q1 {, Q7 F- }6 J" X * 71 - Level Switch( S- o& ^, z% q w+ I
* 72 - DC Circuit Breaker
- |1 p3 R$ a7 k5 p" ^! @ * 74 - Alarm Relay' ]5 S1 K i' r% U
* 75 - Position Changing Mechanism
( f% Q, r) p; p * 76 - DC Overcurrent Relay
0 E. o7 s( ^. Y* }0 Q% i! c * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay& V! g3 I: ]9 U/ t" b* \5 F
* 79 - AC-Reclosing Relay
9 X+ M X- I+ Z/ ~: f3 I A* F * 81 - Frequency Relay
4 y: T3 J* o. l& z9 p * 83 - Automatic Selective Control or Transfer Relay) K. J$ e2 V; l# S1 Y: v
* 84 - Operating Mechanism
2 g ~& C9 l9 L5 q- \# h * 85 - Carrier or Pilot-Wire Receiver Relay6 g; |& l) C8 E* |& T; H
* 86 - Lockout Relay
5 @$ y- Y/ g5 W4 P1 i7 x8 ]9 n * 87 - Differential Protective Relay
( s8 P) H9 z# h * 89 - Line Switch6 {9 y1 R2 S. u& v+ {
* 90 - Regulating Device9 f2 p7 c! L% ^
* 91 - Voltage Directional Relay
4 n& Y/ [- L; B * 92 - Voltage and Power Directional Relay, D% e0 i/ E7 ^2 S3 \, o0 f! J' |* `
* 94 - Tripping or Trip-Free Relay; [& p$ ^! M$ k+ R' v: }5 N
* 95 - Reluctance Torque Synchrocheck6 { E9 W9 I( m: A2 ]
* 96 - Autoloading Relay |
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