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List of Device Numbers
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) o7 H, e& z) {; E/ Z, E. X( y * 1 - Master Element- X- \1 M! w- `! C% K' u e: d
* 2 - Time Delay Starting or Closing Relay: u6 Z' o, n7 }: e* `7 o
* 3 - Checking or Interlocking Relay
# Q( n4 w8 I! @$ `8 S7 m * 4 - Master Contactor
1 v5 L5 c8 ?: q( [ * 5 - Stopping Device
) q9 Y# h" q& s: P2 B% p v) n * 6 - Starting Circuit Breaker c, }) N- k O* S y+ M
* 7 - Anode Circuit Breaker
* R9 m4 |% |0 L# w7 z, v9 h7 C * 8 - Control Power Disconnecting Device8 S( ]: V9 |, ^0 e0 s
* 9 - Reversing Device
$ q/ {$ ^! P1 C( a# N * 10 - Unit Sequence Switch7 Y b3 h2 ^3 S k% U3 |( M
* 12 - Overspeed Device
& N9 S0 U0 `/ d& ^7 l0 z * 13 - Synchronous-speed Device
8 m0 {7 |" D, S) C& ^1 X1 ^ * 14 - Underspeed Device! D/ S9 t' m" H/ J
* 15 - Speed - or Frequency-Matching Device
0 a& [: u2 K P- X * 21 - Distance Relay
; o! p+ j9 m0 o6 B3 c+ ]1 a( N- j+ B" t( | * 23 - Temperature Control Device# d- p. n7 P* |/ D+ U
* 25 - Synchronizing or Synchronism-Check Device! X3 Q$ z* l7 I3 s0 k4 }) q8 |( @6 o
* 26 - Apparatus Thermal Device
6 p! U/ c* }% o! Q8 K- I1 ^& K A+ n * 27 - Undervoltage Relay
- Y' T, r5 K* }7 V3 D. s0 T * 29 - Isolating Contactor- p4 ?: s: v: i4 d* t/ {
* 30 - Annunciator Relay1 X) a* |7 u5 M f6 q
* 32 - Directional Power Relay& J6 {3 U. ]* i' c5 E
* 36 - Polarity or Polarizing Voltage Devices% C |, G: p( u }
* 37 - Undercurrent or Underpower Relay, ]0 {2 H. w4 o# U2 m2 j
* 38 - Bearing Protective Device
% _. d8 @4 s1 p j0 W) Z * 39 - Mechanical Conduction Monitor7 v0 u' H+ W3 A2 S: U* ?8 X
* 40 - Field Relay7 l8 W! @, D0 _( _
* 41 - Field Circuit Breaker: q; }: x! \% k! j; I* B
* 42 - Running Circuit Breaker( W+ w. l$ t0 I8 X7 [6 {% ]9 R B: R
* 43 - Manual Transfer or Selector Device, e. e! G4 z4 `7 e5 G
* 46 - Reverse-phase or Phase-Balance Relay
2 s2 k' Y+ ~& p- a * 47 - Phase-Sequence Voltage Relay
1 `( s+ y/ u7 Z: Q8 I * 48 - Incomplete-Sequence Relay9 F# \ k( i* ^6 I
* 49 - Machine or Transformer Thermal Relay
+ ]1 c: {0 k8 ?8 K * 50 - Instantaneous Overcurrent m- S+ f. B" c7 B1 k. V
* 51 - AC Time Overcurrent Relay
* X l0 f6 h0 F0 @( D+ ^: ~ * 52 - AC Circuit Breaker& v ?! O& w3 r1 _8 D+ H
* 53 - Exciter or DC Generator Relay
. ^- K* b0 g3 C* \$ O* C! X! f * 54 - High-Speed DC Circuit Breaker
5 S* f( ?3 X) z: j. Z * 55 - Power Factor Relay
& Y( A5 N% ^# J/ a% |( C8 W. i * 56 - Field Application Relay/ E" h7 A4 R8 {
* 59 - Overvoltage Relay0 f! {- l. N! O
* 60 - Voltage or Current Balance Relay
6 c! r. \# e1 ?2 _% ~- |# ^/ p' } * 61 - Machine Split Phase Current Balance+ t1 ]/ ^4 q. Y
* 62 - Time-Delay Stopping or Opening Relay
7 a4 Q) U+ ]" S9 H * 63 - Pressure Switch* d& U& J8 ]8 }& N/ S9 }
* 64 - Ground Detector Relay2 m- C/ m' o8 V5 b4 p
* 65 - Governor9 i: l9 x! o4 r X' ~; {: C
* 66 - Starts per Hour
8 l% x" o |8 m8 F5 L * 67 - AC Directional Overcurrent Relay: g) A. J5 m, Z6 e
* 68 - Blocking Relay
$ V Q0 @' }& R8 f- X * 69 - Permissive Control Device: v; k* X; F! m$ A7 @
* 71 - Level Switch) X' U0 Y" t, \# D
* 72 - DC Circuit Breaker9 P: Y6 `8 D0 T8 X
* 74 - Alarm Relay
3 x- C0 Z* ~8 W. n# W' L& z. U2 J% p& A * 75 - Position Changing Mechanism: K; {& L7 g5 Y/ \
* 76 - DC Overcurrent Relay
5 j" O7 @" j$ v' c. z% d * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay1 }% J* h4 H7 U- {
* 79 - AC-Reclosing Relay, ?0 ]% F _/ k* ~
* 81 - Frequency Relay9 N, |! v& |: {' f9 J0 d: ~, p
* 83 - Automatic Selective Control or Transfer Relay: Y# K: d, V7 ]; o3 b; D& M; b
* 84 - Operating Mechanism0 E# l$ u. m3 m9 T7 `- }
* 85 - Carrier or Pilot-Wire Receiver Relay
9 s2 P: ~0 W+ Y& i+ h& [; x * 86 - Lockout Relay5 U% {% t. d9 ^- F
* 87 - Differential Protective Relay) D5 [: V9 b/ d/ F2 k" p- y
* 89 - Line Switch) Z( f, _) Z8 F# ^
* 90 - Regulating Device/ A% W( q/ L: W( D
* 91 - Voltage Directional Relay
. g- c& S. ]& H8 [( k * 92 - Voltage and Power Directional Relay
% J' o- A) i# i C" z5 n * 94 - Tripping or Trip-Free Relay
6 D. _: {4 O1 _ I( z J * 95 - Reluctance Torque Synchrocheck3 a( ^' R/ E* `* H2 n- Z8 V
* 96 - Autoloading Relay |
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