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List of Device Numbers
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* 1 - Master Element
9 K! n- i0 S* s! N * 2 - Time Delay Starting or Closing Relay& M4 N7 X! {; J2 Z
* 3 - Checking or Interlocking Relay2 K1 _& R) u/ B4 t+ E. `
* 4 - Master Contactor: ?+ ~, Z% ]5 M$ p# A* l
* 5 - Stopping Device- S0 r! n& U/ Y: c
* 6 - Starting Circuit Breaker- N3 S: [( j9 u- @/ a
* 7 - Anode Circuit Breaker8 ]' D T2 A9 ]5 p
* 8 - Control Power Disconnecting Device4 n4 r8 N5 a4 L# p2 d
* 9 - Reversing Device
' { @3 F* I# R: D$ k- W7 T: | * 10 - Unit Sequence Switch
' j$ ?7 G- S D$ ^; R s. ~9 H * 12 - Overspeed Device0 K9 Q. t' l V/ |
* 13 - Synchronous-speed Device
2 B. K* \1 B" I. { * 14 - Underspeed Device
4 \# ?, C2 t( ^# i * 15 - Speed - or Frequency-Matching Device
; Y. Z: R* a6 d6 m * 21 - Distance Relay
/ [2 k9 ~4 V+ |2 ~& Y; a6 j0 \4 A * 23 - Temperature Control Device
g3 c0 k" z( U% c) A * 25 - Synchronizing or Synchronism-Check Device3 W+ ]$ P1 @. L
* 26 - Apparatus Thermal Device
* H. d4 j9 H( e" S8 s * 27 - Undervoltage Relay
o6 `; j. t2 B. V6 @ * 29 - Isolating Contactor
5 |/ q8 P! L* V, ]* d. m * 30 - Annunciator Relay
8 G" A( ]; a# y * 32 - Directional Power Relay
, c1 m' Z2 y x- Y2 s- w * 36 - Polarity or Polarizing Voltage Devices2 ]: e$ K+ K- D3 t% X
* 37 - Undercurrent or Underpower Relay
: I/ e/ S/ n7 P S6 E * 38 - Bearing Protective Device3 q6 _2 {. v, G; e Y! u, ~
* 39 - Mechanical Conduction Monitor( b# n( t: I3 {' L- k
* 40 - Field Relay
3 ~. D( @1 n% \( P0 l7 k! m * 41 - Field Circuit Breaker
3 |, F, y, u& ] \. C3 g9 C4 L& g * 42 - Running Circuit Breaker
/ F% t& J" Q6 H$ A5 R" X8 m * 43 - Manual Transfer or Selector Device1 r3 e' s. Y8 b3 s: I! x4 I
* 46 - Reverse-phase or Phase-Balance Relay
0 e2 I/ t6 [1 x/ ? * 47 - Phase-Sequence Voltage Relay
2 c: u0 Z) J3 I. o * 48 - Incomplete-Sequence Relay
I( [8 u/ \; q! w+ A* a; n * 49 - Machine or Transformer Thermal Relay
9 b( _7 Z' s# @: T! \# P0 G1 ]3 | * 50 - Instantaneous Overcurrent5 f+ X' H, R% P- z6 y0 h4 T7 k
* 51 - AC Time Overcurrent Relay
8 \( B, R) l' s2 _( h0 T * 52 - AC Circuit Breaker7 R6 e: E7 o. @1 |' p: c
* 53 - Exciter or DC Generator Relay
: ~3 a" s$ @: ^/ T; } * 54 - High-Speed DC Circuit Breaker
/ S5 y" A! m( K2 ` * 55 - Power Factor Relay, P# V) t" S$ ~5 P
* 56 - Field Application Relay* u: X7 A) h m) f
* 59 - Overvoltage Relay) v" X) W, l4 l/ c- k t( k% m3 M
* 60 - Voltage or Current Balance Relay% \% ?6 O. s2 C. y, v/ I
* 61 - Machine Split Phase Current Balance
: N: m) e% Y8 ?$ i& | M5 @ * 62 - Time-Delay Stopping or Opening Relay
/ q3 ?2 t, @! _! B0 P3 T * 63 - Pressure Switch
. F' ^/ Y5 P0 K3 N7 V( R; w5 q * 64 - Ground Detector Relay
4 I, [2 ]& [1 j( x * 65 - Governor" _4 u! E3 F5 N
* 66 - Starts per Hour
3 x, M1 N9 i; m/ \ * 67 - AC Directional Overcurrent Relay0 I" N# F7 w) u
* 68 - Blocking Relay7 _, n+ y$ `; G1 N% v2 H& p, G
* 69 - Permissive Control Device; b4 {, G* P; B. Y/ |- R
* 71 - Level Switch' C( U- F' V! y5 A: m3 y
* 72 - DC Circuit Breaker
, M# m( S% v4 q+ K! j2 e/ Q# r* X% c# U * 74 - Alarm Relay
% [/ m7 b# y" z- n. P4 E8 i * 75 - Position Changing Mechanism
$ `/ I$ G* S) c/ Z" s, ~) k * 76 - DC Overcurrent Relay% O5 d$ B# N' q1 d
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay- ?- {( T# P4 C5 Q
* 79 - AC-Reclosing Relay
6 @5 F: m5 L2 y* ~/ W- S) h * 81 - Frequency Relay
! [% {' o+ W3 b7 d/ d m/ V0 c * 83 - Automatic Selective Control or Transfer Relay
1 @ n) C) ^( d, e- l5 h * 84 - Operating Mechanism( a% [0 ]' ^4 p0 W7 ]
* 85 - Carrier or Pilot-Wire Receiver Relay
/ A3 x* |# r$ x# W- } * 86 - Lockout Relay
$ }# |' J8 S( z4 L$ d; E * 87 - Differential Protective Relay: ], u' ^! o7 K* T6 I3 H* y5 t
* 89 - Line Switch( E' ^8 c! P t9 Y- Z* B
* 90 - Regulating Device8 [4 `6 W. P* p. V* K2 v
* 91 - Voltage Directional Relay
) F! I# v, S8 k( Q7 a3 g * 92 - Voltage and Power Directional Relay
! G: m, B; b9 f8 f# u' _# {6 a- g * 94 - Tripping or Trip-Free Relay8 t) l( m. _$ k5 \
* 95 - Reluctance Torque Synchrocheck% V( J+ s1 Y: r
* 96 - Autoloading Relay |
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