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List of Device Numbers) k; q# n1 n! [/ N
Click to learn more..., Y3 I0 c% u2 F3 }; ^& F: t4 Y& {
/ I9 @- u' \2 v+ G' K% Q4 ` * 1 - Master Element4 U( j( ~$ D }# A0 Z+ p9 m
* 2 - Time Delay Starting or Closing Relay) v" u* m m9 Z
* 3 - Checking or Interlocking Relay
& l! j1 W! t* p4 W2 D7 G * 4 - Master Contactor$ ]# a$ y5 x" `* E! N
* 5 - Stopping Device8 b, z: m+ p. y" L3 i
* 6 - Starting Circuit Breaker
6 k% F7 f' K0 P4 ~4 e0 B: \* r * 7 - Anode Circuit Breaker
0 }4 i# s0 ` Z% T! J$ A2 f# v/ m * 8 - Control Power Disconnecting Device, }+ A) [8 a0 L: L
* 9 - Reversing Device7 x9 H/ K; f- p6 _
* 10 - Unit Sequence Switch5 p: n$ ^( E% h5 E! X7 M" H5 p
* 12 - Overspeed Device/ |) c. ]8 n. m& B; F/ L3 `& T- `
* 13 - Synchronous-speed Device
' ]0 E" Z' v3 r% N; H2 N- r) r/ e2 }2 f * 14 - Underspeed Device
0 K5 |4 \& C8 y/ q! I, t) N2 A * 15 - Speed - or Frequency-Matching Device; H- F7 q) ^0 R/ l% z _
* 21 - Distance Relay
/ y; _. \$ N) k! G p * 23 - Temperature Control Device
4 G9 I- a) d" Z6 c * 25 - Synchronizing or Synchronism-Check Device
$ o5 N4 `$ z( i' t; Z/ y4 A * 26 - Apparatus Thermal Device6 j% G" @: Z, r
* 27 - Undervoltage Relay
- s7 l! p5 E3 s7 N- e, q * 29 - Isolating Contactor o1 D& {2 `# x% A1 |8 a
* 30 - Annunciator Relay+ `% l+ u, c7 I+ Y
* 32 - Directional Power Relay$ S% P( o5 B; {- F, Z* w% S
* 36 - Polarity or Polarizing Voltage Devices
! P' S+ r7 T! s. Q' W * 37 - Undercurrent or Underpower Relay
4 k* D3 {" t7 V! S( p! c# ? * 38 - Bearing Protective Device
* T, V& N1 z& K+ b" |) K- b" Y * 39 - Mechanical Conduction Monitor
9 s' ^) ^- [; Z- ^9 N * 40 - Field Relay" {1 J }/ M, P4 b/ z
* 41 - Field Circuit Breaker" @0 p( V! ?7 I- z
* 42 - Running Circuit Breaker6 S$ k- @; x# y6 E0 F' B
* 43 - Manual Transfer or Selector Device! c$ A& y. O* `& [2 W1 Y" Q( E: C
* 46 - Reverse-phase or Phase-Balance Relay
$ [# r8 i" y: V1 {- Q4 k * 47 - Phase-Sequence Voltage Relay0 o; M/ P; a1 z# Y( R0 P' x3 h: ~
* 48 - Incomplete-Sequence Relay
: X/ c. S. p8 i3 r& G2 p: J * 49 - Machine or Transformer Thermal Relay
]* g. h+ Y. j3 {' Q* k* H$ O * 50 - Instantaneous Overcurrent
8 Q) {0 z, ~0 r4 t7 R * 51 - AC Time Overcurrent Relay6 d L; L, i$ n# X" k$ B) v
* 52 - AC Circuit Breaker
I) I# _: r/ h4 l: T8 g * 53 - Exciter or DC Generator Relay5 R; P$ L9 t% B' s9 ^
* 54 - High-Speed DC Circuit Breaker
& {" O) ?6 H6 X * 55 - Power Factor Relay
6 E- ~* O. ^* k * 56 - Field Application Relay
5 _, o& v( l' `& t * 59 - Overvoltage Relay
8 s0 q. V9 o' {2 T * 60 - Voltage or Current Balance Relay2 v2 R1 Q2 X7 [; k1 {6 P* G. J
* 61 - Machine Split Phase Current Balance
& [- h& [' K6 |/ @' R2 Z: P * 62 - Time-Delay Stopping or Opening Relay
, }6 n$ ?$ `5 P. J- K * 63 - Pressure Switch. T5 l& ^7 ?1 _. ?+ y% a. ^! u- k, j
* 64 - Ground Detector Relay
4 r4 i, o, a2 Z( p" T$ X * 65 - Governor
' d' {% C0 ^ L5 v& ~/ V' B * 66 - Starts per Hour8 G% Z) T6 q/ S
* 67 - AC Directional Overcurrent Relay
$ y) K5 t& q2 M6 ~ * 68 - Blocking Relay% B9 |* B0 ?- W0 t; p
* 69 - Permissive Control Device' ? Q3 P. _) D7 z* u$ F
* 71 - Level Switch
% k$ C" V# Y& k * 72 - DC Circuit Breaker; J( b3 p C( j5 y8 L$ Z% S
* 74 - Alarm Relay' @. Q- @; P/ I' g
* 75 - Position Changing Mechanism
0 e6 T8 g! K2 W8 w# E& G5 y) }8 R * 76 - DC Overcurrent Relay. b7 R9 h& t( K: s' v7 Y& T- q
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay/ @, s) w" B6 V/ [2 J$ K ?
* 79 - AC-Reclosing Relay0 X2 K, W7 k% i2 A( _3 m$ Q2 y
* 81 - Frequency Relay& e; P, \, D; M. V. w
* 83 - Automatic Selective Control or Transfer Relay
$ Y. R& O5 s0 Y4 ^* U * 84 - Operating Mechanism: a V! Z) U! ~( y
* 85 - Carrier or Pilot-Wire Receiver Relay2 X. x5 k3 L8 \
* 86 - Lockout Relay1 P: U! |: E2 P4 R
* 87 - Differential Protective Relay
6 C1 A* }/ C/ m) E! \$ {5 @6 l * 89 - Line Switch
0 N5 t. g1 U. _& L* J( n# i * 90 - Regulating Device# _. ~* A: f/ L! b& K
* 91 - Voltage Directional Relay/ t+ w) p" _& P' L+ e0 D. @
* 92 - Voltage and Power Directional Relay. k5 d4 F# | Y3 O0 `3 F
* 94 - Tripping or Trip-Free Relay
! T- X4 b' H7 ~: Q+ O5 u * 95 - Reluctance Torque Synchrocheck. v9 \+ ~4 h5 p$ U$ P z( c" E
* 96 - Autoloading Relay |
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