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List of Device Numbers; K; K( n/ ~$ M4 ^
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. K% C/ l2 O: o! n. F% ?5 {4 ]5 b* V/ v# o- ?: L
* 1 - Master Element
/ H# k, |( ^5 j5 M& o * 2 - Time Delay Starting or Closing Relay
E2 n# T' P7 n, W" h. U7 i# Y * 3 - Checking or Interlocking Relay
' V$ C: f0 o( T" q: h7 y. e' [3 M: K * 4 - Master Contactor( t5 q& w, m n( ?3 {" y& i2 M
* 5 - Stopping Device4 E+ H3 U/ R1 }) W
* 6 - Starting Circuit Breaker. _5 f) x/ J( f D R; y
* 7 - Anode Circuit Breaker# l9 x2 l% G3 R3 f ~! v, z* C5 r! ]
* 8 - Control Power Disconnecting Device" ~" s5 ]5 |. {3 u$ v
* 9 - Reversing Device
6 _" s: I+ I- P: j' | * 10 - Unit Sequence Switch% ~, }) ?2 k( t( H4 N3 \% q& w( T
* 12 - Overspeed Device
$ A7 G" q6 t( W- | * 13 - Synchronous-speed Device5 z6 }- P2 K1 v( o- _3 Z
* 14 - Underspeed Device
: W3 L/ H. i ?3 k& q * 15 - Speed - or Frequency-Matching Device) F! P# q' a' I4 K _/ o4 m' p
* 21 - Distance Relay
: i, j5 B S; f x2 ` * 23 - Temperature Control Device
7 U. t) q* [7 H( ` * 25 - Synchronizing or Synchronism-Check Device( H. Z+ d: a1 Q# ~+ \, m
* 26 - Apparatus Thermal Device, V5 Q) l4 G$ d6 ~* e4 e( W4 o
* 27 - Undervoltage Relay% N, e3 A J' b5 Y m8 n6 N
* 29 - Isolating Contactor
. C. V+ l* @ U% G1 Y6 s5 j * 30 - Annunciator Relay# _) ?2 h7 ~$ T5 I
* 32 - Directional Power Relay
) [4 S. c @! B$ f' z' Q * 36 - Polarity or Polarizing Voltage Devices2 O% ^5 E% {2 Y0 v R
* 37 - Undercurrent or Underpower Relay5 v" J. c- \! t: ^& q9 u" ~
* 38 - Bearing Protective Device
" ^' e w3 e+ N: P3 v * 39 - Mechanical Conduction Monitor
/ f2 @$ r6 @& [7 b j1 s * 40 - Field Relay2 p4 ], P* }% @2 w4 q
* 41 - Field Circuit Breaker K, r) b0 U! F+ i
* 42 - Running Circuit Breaker" O2 J% t* ~8 C2 i1 S
* 43 - Manual Transfer or Selector Device' ^0 z$ T6 _ r1 ^! D
* 46 - Reverse-phase or Phase-Balance Relay2 b6 r* m+ F& R6 p9 X. ~# ~1 j
* 47 - Phase-Sequence Voltage Relay
- S% Z% ~/ }% z4 g * 48 - Incomplete-Sequence Relay* P N ~+ ~5 c, e6 t0 ?
* 49 - Machine or Transformer Thermal Relay
" s- E, v% [( z1 Z2 \' p7 @ * 50 - Instantaneous Overcurrent
e1 K: k( C, Z * 51 - AC Time Overcurrent Relay
( k+ @) n7 H) y6 U * 52 - AC Circuit Breaker
0 J0 J/ w' \6 ^# _5 K * 53 - Exciter or DC Generator Relay
' B1 H9 A: V% A * 54 - High-Speed DC Circuit Breaker* [ p3 @! i1 L2 H1 U# a
* 55 - Power Factor Relay
* F; d1 G4 m& y% ]% l * 56 - Field Application Relay
( R/ _' Q1 ^: ^5 P/ t) U' l6 k7 m * 59 - Overvoltage Relay
7 m Y5 n: f& ?2 f1 |; Z! Z: Z * 60 - Voltage or Current Balance Relay
8 ~8 T/ R7 `# N1 T" C. S * 61 - Machine Split Phase Current Balance
0 ]) ?3 N& c+ c * 62 - Time-Delay Stopping or Opening Relay
2 y% G! }# ]. Z- j, \8 @* p( C * 63 - Pressure Switch& a' k8 s! c3 }; Q7 h
* 64 - Ground Detector Relay
- {% p9 M' s1 n$ M% L * 65 - Governor; s, ]7 P# `3 `! g" q
* 66 - Starts per Hour+ G- Q9 {* n0 Q6 Q. z, f' m5 g
* 67 - AC Directional Overcurrent Relay
" N8 @7 u0 \1 V; j4 W3 l. b * 68 - Blocking Relay1 t- N0 k, B- d1 }: h* u I, W+ E' d& B
* 69 - Permissive Control Device3 I; w$ O4 m/ b' `( d" f- B
* 71 - Level Switch! R& Y2 Z/ y8 E
* 72 - DC Circuit Breaker
3 m* a9 a- [: A5 H$ i; T4 Q * 74 - Alarm Relay/ X& Q9 P7 }" @2 w
* 75 - Position Changing Mechanism
! A- W7 @4 j$ k% [ * 76 - DC Overcurrent Relay" D! w6 S% k/ N' h& E# M
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
- B' T( v1 v, H$ j3 C- p * 79 - AC-Reclosing Relay, _3 G6 m8 y) p# d6 h( x/ ~$ D
* 81 - Frequency Relay: i, o9 E6 b! ~" r+ ]* ]) o
* 83 - Automatic Selective Control or Transfer Relay) o; ], T+ |9 \3 z
* 84 - Operating Mechanism" A! D/ m) j4 b" \, p* P
* 85 - Carrier or Pilot-Wire Receiver Relay6 [* P4 Z7 S: b& K" l: O
* 86 - Lockout Relay
; G" z0 M) ]4 ~0 _) V& Y * 87 - Differential Protective Relay
" J) S! H. G- E, e- k. P- M6 {( J * 89 - Line Switch s) A8 {( m* I- n- A
* 90 - Regulating Device
$ _& @. d0 t7 U8 d2 C * 91 - Voltage Directional Relay; ]# E/ O1 I: s9 Z# h$ w
* 92 - Voltage and Power Directional Relay) r. e/ n# y" _
* 94 - Tripping or Trip-Free Relay7 J% N6 m; {) } Z8 |; n
* 95 - Reluctance Torque Synchrocheck- V' \1 m: M$ c7 y9 c0 K
* 96 - Autoloading Relay |
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