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List of Device Numbers; j$ x9 @6 _9 N \
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6 J* G) }3 Y. q1 p$ u. n * 1 - Master Element
! p9 {; R: V, ~0 w+ n3 E * 2 - Time Delay Starting or Closing Relay
# a3 O: S6 H0 e) y1 _ * 3 - Checking or Interlocking Relay
: Z7 A& j9 W- x5 ? * 4 - Master Contactor
/ j% Q$ Q& q; s/ a v3 ~: O9 o * 5 - Stopping Device& {5 k n* J# M9 ^; c
* 6 - Starting Circuit Breaker
/ Z W5 [* V( `7 E. ^0 b& ]1 { * 7 - Anode Circuit Breaker8 `6 w$ F' B- I3 O$ E4 x
* 8 - Control Power Disconnecting Device
) Q0 o- S2 N2 a4 } * 9 - Reversing Device
( k3 h2 a2 v6 i* n * 10 - Unit Sequence Switch( L- F4 D- N) i5 t
* 12 - Overspeed Device
, z" w, R" G. V( W J5 r; @ * 13 - Synchronous-speed Device' ~. |9 T, o) b
* 14 - Underspeed Device4 w# v6 S: l3 U. T' i" D, A
* 15 - Speed - or Frequency-Matching Device
5 J% }, s4 E0 O * 21 - Distance Relay7 P: z; B6 E' Q+ Y% K# N
* 23 - Temperature Control Device
7 F- Q4 j9 Z4 Y- D- j9 X * 25 - Synchronizing or Synchronism-Check Device' T z" j- b9 d
* 26 - Apparatus Thermal Device
" e" x5 q4 R2 t- ` * 27 - Undervoltage Relay
; b4 z5 D8 a$ N& [1 @ * 29 - Isolating Contactor
6 r2 J+ w5 R! K6 c% l * 30 - Annunciator Relay
" O$ a/ s& S5 O * 32 - Directional Power Relay1 j4 S1 i0 n# o5 t$ B
* 36 - Polarity or Polarizing Voltage Devices
2 ^0 E1 y( G+ N; z+ [+ ` * 37 - Undercurrent or Underpower Relay
. S* H8 m1 [* b, [2 ?. @0 B * 38 - Bearing Protective Device* d! a9 p$ t1 G" Q
* 39 - Mechanical Conduction Monitor
0 f4 X g5 P/ z( ?- s# a& D2 k. Q * 40 - Field Relay3 d& e5 Z( t9 l) j
* 41 - Field Circuit Breaker
, G: c' z B9 x2 B3 `2 ? * 42 - Running Circuit Breaker# y& a) _) c+ L
* 43 - Manual Transfer or Selector Device' y1 v6 F5 r+ K. ?% e
* 46 - Reverse-phase or Phase-Balance Relay
; z7 W! h& _7 @, S/ [0 h * 47 - Phase-Sequence Voltage Relay4 Z( f5 {+ ~+ S
* 48 - Incomplete-Sequence Relay2 t9 E2 G& Q9 R4 x6 m4 O
* 49 - Machine or Transformer Thermal Relay: C7 U% X$ L, l
* 50 - Instantaneous Overcurrent" _$ ^/ W, O, c
* 51 - AC Time Overcurrent Relay
6 y) A+ D- y4 ]0 I * 52 - AC Circuit Breaker( [4 Y# n' m3 M7 c3 E/ ]
* 53 - Exciter or DC Generator Relay
: e) E, e8 l+ S. H; L * 54 - High-Speed DC Circuit Breaker- j; T; _; c- ]: ?8 z e
* 55 - Power Factor Relay
: c$ ~ j* N- z8 Y * 56 - Field Application Relay- q$ K/ u; M/ P
* 59 - Overvoltage Relay
. u- C8 ^* p$ H' w `" F: E% O * 60 - Voltage or Current Balance Relay
$ Q0 I! [. J3 b) C * 61 - Machine Split Phase Current Balance
; y/ X, j8 E7 w* E. w * 62 - Time-Delay Stopping or Opening Relay1 I5 E0 k4 C6 p$ f, Q! {5 Q5 D1 \# T7 y! N
* 63 - Pressure Switch
+ j7 f; z7 ^# ^' f8 @. [* } * 64 - Ground Detector Relay' s" n' o: B5 i" H! V
* 65 - Governor
8 L; ?& R( s) c7 _" x * 66 - Starts per Hour
1 [5 q6 [7 a3 c1 ]2 u0 U * 67 - AC Directional Overcurrent Relay+ U6 |3 f8 J! [( {) D, u* G
* 68 - Blocking Relay$ Z5 f& h; z: V# \+ J; a
* 69 - Permissive Control Device! Z. r% y: l5 j8 W9 A# I D {; y
* 71 - Level Switch1 I, @% e, M; i) K8 J2 k0 j
* 72 - DC Circuit Breaker
. [ F M+ v/ i C" a! i! p * 74 - Alarm Relay
+ L+ m, O r/ D/ [ * 75 - Position Changing Mechanism
0 ~3 _* _& G) R6 C * 76 - DC Overcurrent Relay
% \9 a, O6 c/ p# J6 @% z * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay p7 @6 O0 d+ V0 R; N
* 79 - AC-Reclosing Relay2 ^$ ~/ W& v5 p" _
* 81 - Frequency Relay/ X7 c' e7 w: P+ S! o6 S
* 83 - Automatic Selective Control or Transfer Relay9 T X% _; J: z0 W
* 84 - Operating Mechanism2 l3 u0 B% J9 Y- `0 ]" R
* 85 - Carrier or Pilot-Wire Receiver Relay1 z/ `* H2 \3 i& \3 J9 k
* 86 - Lockout Relay9 ~. L$ z4 |+ g! K! b
* 87 - Differential Protective Relay
& I: l' B) J1 N% ]6 N! O * 89 - Line Switch
1 _: }% K, V7 s# K* g3 S * 90 - Regulating Device
; q& i! _ F* F6 f * 91 - Voltage Directional Relay
; E9 W2 X% I" q0 y- U * 92 - Voltage and Power Directional Relay8 M: n5 @) D* C `
* 94 - Tripping or Trip-Free Relay
+ F9 g8 D# G! [$ S * 95 - Reluctance Torque Synchrocheck) Y# t6 V6 I3 [, i' i0 q
* 96 - Autoloading Relay |
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