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List of Device Numbers
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6 ]( s* h) t6 d- f- i; ]& q- f( B* Q# H; o; E
* 1 - Master Element
) ~! \" D' U0 A$ _ * 2 - Time Delay Starting or Closing Relay L9 Z, O/ L, Q
* 3 - Checking or Interlocking Relay
( q" w4 k6 {5 Q5 R; s! E* N% C * 4 - Master Contactor
/ _; P0 v7 N$ C$ C' q9 s8 X * 5 - Stopping Device
+ E; s2 c( f/ S( k% o( x9 d * 6 - Starting Circuit Breaker, I: {" ]* T" [2 z; O" H
* 7 - Anode Circuit Breaker( z( _5 ^+ v- [- D
* 8 - Control Power Disconnecting Device' E$ \7 }/ E" f: C3 q
* 9 - Reversing Device3 n: I- p- x! |+ ^% s+ r
* 10 - Unit Sequence Switch% ?1 R# U9 x, @
* 12 - Overspeed Device
! M' N! S% d" }+ z * 13 - Synchronous-speed Device6 H& m1 S; k) q6 ]$ [
* 14 - Underspeed Device
/ F- n8 b6 E/ ]! Q5 I * 15 - Speed - or Frequency-Matching Device7 K% n$ q0 Q5 E: g
* 21 - Distance Relay' d( n0 F, Z1 X5 i8 F& O$ M! H2 W
* 23 - Temperature Control Device
' c! K7 p" L( A0 W * 25 - Synchronizing or Synchronism-Check Device
) |: Q( n' C) j * 26 - Apparatus Thermal Device2 N- o4 k( F4 t- ~5 S
* 27 - Undervoltage Relay
! _% w( X3 h9 n) K$ G3 d * 29 - Isolating Contactor# a% U, V0 J4 L* H' r
* 30 - Annunciator Relay
( v: y2 C9 H0 H# u * 32 - Directional Power Relay
! }7 G; f2 ~3 m7 m: v. u5 W4 M& S * 36 - Polarity or Polarizing Voltage Devices% H6 i. w" {6 n6 U$ v
* 37 - Undercurrent or Underpower Relay
% c. V. @* `8 b5 _( `/ Q8 I * 38 - Bearing Protective Device4 W: e+ y2 b1 b* r
* 39 - Mechanical Conduction Monitor
, X5 y% h3 E" h9 h& G * 40 - Field Relay. ?8 v0 [- b, S5 H4 s2 W8 Y9 Y
* 41 - Field Circuit Breaker
/ I9 a) j. D4 V' I+ b * 42 - Running Circuit Breaker9 Y7 R9 O2 H2 O6 H' ?
* 43 - Manual Transfer or Selector Device
3 S- t+ U+ i4 F$ c# N! D& `; R* m5 C * 46 - Reverse-phase or Phase-Balance Relay) l) D6 b! B( ]3 S, M9 f F! m2 g. S
* 47 - Phase-Sequence Voltage Relay+ q' s- N" u; i( j0 A' P5 P' }
* 48 - Incomplete-Sequence Relay/ S( s7 ?, N: v- r
* 49 - Machine or Transformer Thermal Relay
% T' U& X6 L, j( U * 50 - Instantaneous Overcurrent
9 |4 |5 i. }6 o% ^/ ^ * 51 - AC Time Overcurrent Relay
1 m; z" G! {( r5 P5 M3 k * 52 - AC Circuit Breaker1 ]) o. a6 j2 \% b# P7 W
* 53 - Exciter or DC Generator Relay# | g5 ]) Y+ i8 K
* 54 - High-Speed DC Circuit Breaker
5 |: j" }( T$ g4 M * 55 - Power Factor Relay
9 h) Z' d* t) B$ V0 ]2 D5 l * 56 - Field Application Relay4 y7 V. l2 M( l1 N% S( ?# u1 N2 U" g
* 59 - Overvoltage Relay. N' W# D1 M' M% X# C
* 60 - Voltage or Current Balance Relay
* w6 e h4 m, q4 C* F' L4 c; ~# } * 61 - Machine Split Phase Current Balance6 J: p: d5 {/ k! n. d: H
* 62 - Time-Delay Stopping or Opening Relay
/ [) L' k- |2 m K$ q( h) s * 63 - Pressure Switch: {! P! N9 T* F2 ~2 o! y
* 64 - Ground Detector Relay
! ^2 h8 H, J6 R0 v9 N: x, b * 65 - Governor& W3 `/ p+ |8 M- x! X1 Q) r+ B+ {# l/ m
* 66 - Starts per Hour! L T+ X9 w& K& G2 v
* 67 - AC Directional Overcurrent Relay
+ Y& E. [% B# i' e; I$ t * 68 - Blocking Relay
: ?& M* q$ ~/ ^ * 69 - Permissive Control Device
. x! i8 a4 D" k" C$ H * 71 - Level Switch
2 C! V' \+ s5 U1 @3 J * 72 - DC Circuit Breaker
O9 V) q3 D( y# v * 74 - Alarm Relay
8 N4 h a2 C) i* \ * 75 - Position Changing Mechanism( |3 T& _4 m% t2 n! S0 X
* 76 - DC Overcurrent Relay3 y/ D) Z3 d! c- w8 t
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
( D0 N; u7 j1 b c7 c9 A+ x" i * 79 - AC-Reclosing Relay
3 |9 [# D F; g * 81 - Frequency Relay
# x2 G2 f+ _6 T& Z * 83 - Automatic Selective Control or Transfer Relay; `: ~( Q! t6 V1 M0 z
* 84 - Operating Mechanism0 L, `3 Q. c2 u3 Z
* 85 - Carrier or Pilot-Wire Receiver Relay
' S- s8 m7 n" W0 t0 m) i * 86 - Lockout Relay+ X' W! @$ w# N6 c7 e+ Y
* 87 - Differential Protective Relay
: \2 L; X, h% K! U) v) R/ f4 J1 { * 89 - Line Switch
8 ?, U: p4 u0 P: a# |3 Y9 s O& N * 90 - Regulating Device
! f7 C& q: y3 ]+ `( `3 g * 91 - Voltage Directional Relay) u: y4 i! ]( ] Z6 Q1 E- D7 M+ ?' D
* 92 - Voltage and Power Directional Relay
+ V$ ]( J, _8 T! `! j * 94 - Tripping or Trip-Free Relay% v m1 u9 A2 m% G: \+ b! z
* 95 - Reluctance Torque Synchrocheck/ I0 `; \- x6 g; J
* 96 - Autoloading Relay |
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