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List of Device Numbers4 X. t) o2 q- |2 C6 i$ I: E
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5 T9 O6 p0 }% f% ?" j4 g * 1 - Master Element, J0 \: ^: {$ Z2 J8 q, l5 b6 \8 C
* 2 - Time Delay Starting or Closing Relay
; M. i: Y# o# ` * 3 - Checking or Interlocking Relay
) R1 `: Q, T4 _! k c, t) \6 U * 4 - Master Contactor: }' w' Q# I) {$ o9 k
* 5 - Stopping Device
* e9 v& }- A3 Z% z4 C' Q * 6 - Starting Circuit Breaker
- z$ `; Z/ I# t, W! C5 k2 s7 H, ^ * 7 - Anode Circuit Breaker' z. q9 ~: m J$ C- X
* 8 - Control Power Disconnecting Device5 X7 E: b% W0 n; a
* 9 - Reversing Device y! Y8 h& Y" B5 H5 X/ L, s
* 10 - Unit Sequence Switch
" D( h1 ^7 r' ~' e. z * 12 - Overspeed Device3 Y* G& p8 P- `! S0 @/ S
* 13 - Synchronous-speed Device
+ O5 c8 X/ i: K# K0 |: { * 14 - Underspeed Device4 x# I7 P" S [* ~' ]) x' e( N5 n
* 15 - Speed - or Frequency-Matching Device
; y! T3 n9 _: Q3 |. D2 { * 21 - Distance Relay
' E+ l, ]3 U) G4 S7 z * 23 - Temperature Control Device
9 w% a8 c! Q4 C* `8 }- F' c * 25 - Synchronizing or Synchronism-Check Device0 [$ N: n+ V" S4 f% ^6 R
* 26 - Apparatus Thermal Device
8 v' U( q- m3 Z+ v# d" a1 I: @7 K; h * 27 - Undervoltage Relay. X x: j2 N5 r" f
* 29 - Isolating Contactor
& E+ E: A5 j; j: N4 v+ t/ i, h * 30 - Annunciator Relay
" Z8 }0 @2 v1 z3 E" Z0 Z * 32 - Directional Power Relay
& C Q$ Y$ l: a9 i* h' |# K * 36 - Polarity or Polarizing Voltage Devices
2 q1 I& z `+ u) `. P' ? * 37 - Undercurrent or Underpower Relay
% w( M* o2 [ [; K0 s * 38 - Bearing Protective Device! x1 _2 q8 p i" X; J+ x1 M
* 39 - Mechanical Conduction Monitor& E3 j; Q7 p9 e1 D. _9 D" f) ]
* 40 - Field Relay
; T! f; K% }1 O& Z6 t/ Z * 41 - Field Circuit Breaker
! n6 m T/ r" b: {8 [ * 42 - Running Circuit Breaker n- h8 }1 Z H5 Q6 ]" Z( W9 `
* 43 - Manual Transfer or Selector Device/ U2 b- l: b, T5 s
* 46 - Reverse-phase or Phase-Balance Relay
) s7 M% J% n% g: V. p! m * 47 - Phase-Sequence Voltage Relay
( ]7 `! n, |1 o) Q0 G1 F, L * 48 - Incomplete-Sequence Relay
$ d( y6 q: z. P * 49 - Machine or Transformer Thermal Relay
; ~: v3 ^) U9 C9 ?$ h$ N * 50 - Instantaneous Overcurrent
* W. t7 W) I C7 z- [" {. J * 51 - AC Time Overcurrent Relay% e/ o( o4 E2 J0 U& S) H* `
* 52 - AC Circuit Breaker( ~$ |) C' i( r! C2 u, R2 A4 q4 g# G! c
* 53 - Exciter or DC Generator Relay
% C7 B5 }" ~% }8 s * 54 - High-Speed DC Circuit Breaker
- X5 g$ ~1 N( S2 c * 55 - Power Factor Relay
- C. J& |: w) y; E% j6 c+ U7 W' R * 56 - Field Application Relay# z4 r. A$ a2 p2 R
* 59 - Overvoltage Relay
: U, U, I. g# e4 @ * 60 - Voltage or Current Balance Relay
+ e. Y! @/ d; T0 [$ U: [, W * 61 - Machine Split Phase Current Balance t* N* s* C7 y' }; X
* 62 - Time-Delay Stopping or Opening Relay
' _& F) \, i# d3 k6 k, L0 h * 63 - Pressure Switch; ^# X4 y% K4 H3 r8 f
* 64 - Ground Detector Relay
* }1 I, C7 e+ i! \" |; Y7 @* w- ^ * 65 - Governor
3 l3 \( x8 q! S; A8 u- f6 m * 66 - Starts per Hour) s$ P( A) ^1 {, F' W
* 67 - AC Directional Overcurrent Relay0 o1 B; x- [" l% ?
* 68 - Blocking Relay& G5 g, X0 s1 T0 y1 U* W
* 69 - Permissive Control Device
" {$ O$ y4 k6 D: S! I/ X4 D( b0 | * 71 - Level Switch+ d: E: k; @3 o2 E* Z6 u- {2 \$ ~$ ]% i
* 72 - DC Circuit Breaker( p* }: {6 e% t0 b
* 74 - Alarm Relay
1 {- j6 ~9 c# {5 z* m' E * 75 - Position Changing Mechanism2 [7 p$ t: t, R7 q" ^
* 76 - DC Overcurrent Relay: s- V/ Y9 O) `- x
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
! P; ?' i- p- b4 ^% x * 79 - AC-Reclosing Relay" B, u5 d$ q8 Y( _7 f; B
* 81 - Frequency Relay2 J7 K3 d* k7 K9 w0 j& a
* 83 - Automatic Selective Control or Transfer Relay
; O. X% o1 H4 z: j' ~ * 84 - Operating Mechanism3 c; d( O0 v2 p% o
* 85 - Carrier or Pilot-Wire Receiver Relay
5 G7 _* |; Q* X' a * 86 - Lockout Relay
1 D% x( u" v5 r% E * 87 - Differential Protective Relay
% }; H" _8 ]' S2 \, x7 D * 89 - Line Switch
7 M4 Q; J" I8 s4 K, B/ [1 W' b1 T a * 90 - Regulating Device
6 N# u0 \2 s8 H4 U * 91 - Voltage Directional Relay( g8 j8 e. R: M
* 92 - Voltage and Power Directional Relay
# L1 g- i/ N( k/ l) K/ ~ * 94 - Tripping or Trip-Free Relay
' S0 o6 ~+ a" S- Z* [8 ~ * 95 - Reluctance Torque Synchrocheck
1 D+ B: u+ Z4 q5 L$ B) } * 96 - Autoloading Relay |
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