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List of Device Numbers: k% `! s `9 C- S
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* 1 - Master Element
* \' r/ o' o) z/ G * 2 - Time Delay Starting or Closing Relay
" Y, |# J" S3 ^ * 3 - Checking or Interlocking Relay
0 _' y; f, m8 K! t* y * 4 - Master Contactor7 l" A; M1 g s8 l
* 5 - Stopping Device4 v* q# J. m7 p" R$ f. _# i0 S
* 6 - Starting Circuit Breaker6 Z- |& s, v) g
* 7 - Anode Circuit Breaker3 D2 D* m* D m0 V* n
* 8 - Control Power Disconnecting Device; l! _$ Q' p0 p$ D$ }
* 9 - Reversing Device _* F3 w# \2 m0 q! D [( \
* 10 - Unit Sequence Switch
8 q( Q$ g3 Z+ t. Z! n+ j8 S * 12 - Overspeed Device
6 `: L P" l, V * 13 - Synchronous-speed Device
4 ^8 J5 E! S+ k8 r: ^. I: F' D * 14 - Underspeed Device+ k7 e- Y' M/ i' R- {" L
* 15 - Speed - or Frequency-Matching Device
+ t' q) |" p* Q7 M+ p0 a/ I * 21 - Distance Relay/ D: J7 ]9 `1 {
* 23 - Temperature Control Device6 \$ c6 q" h4 S) H
* 25 - Synchronizing or Synchronism-Check Device
5 q0 R: J2 W5 E0 `8 M5 l- H * 26 - Apparatus Thermal Device
% q+ |4 R/ R& `- O( B+ Q * 27 - Undervoltage Relay6 w8 Y) H. D4 Q+ [# ` f
* 29 - Isolating Contactor% F7 ]( y8 V. r- f* Z
* 30 - Annunciator Relay7 n; @8 d, s' F% A, K
* 32 - Directional Power Relay
6 A5 v: ]+ o n2 G. L * 36 - Polarity or Polarizing Voltage Devices: w7 g6 K( h0 C9 c& `9 ?" K
* 37 - Undercurrent or Underpower Relay
$ G2 z) t5 F3 F) T( J/ P * 38 - Bearing Protective Device
9 C7 {3 x9 ~/ Q * 39 - Mechanical Conduction Monitor
% H7 Y8 {7 \7 I/ v * 40 - Field Relay
0 t1 F2 n) v1 W2 y * 41 - Field Circuit Breaker
5 x# L2 \% H. {: K( m$ i p" x* Y * 42 - Running Circuit Breaker
% s: V2 b6 S3 c; q* E3 Z& w * 43 - Manual Transfer or Selector Device+ a1 Y* A& t; ]% N
* 46 - Reverse-phase or Phase-Balance Relay. w* B; d! |- [) e- v
* 47 - Phase-Sequence Voltage Relay4 ^; J0 `% M4 s
* 48 - Incomplete-Sequence Relay; Q% m8 ?; H' z) K
* 49 - Machine or Transformer Thermal Relay2 d; W! G- e$ b! c
* 50 - Instantaneous Overcurrent
- F3 s3 k6 W: x- L8 n * 51 - AC Time Overcurrent Relay z+ Z8 M9 d3 y8 a
* 52 - AC Circuit Breaker
' G t3 X3 D+ J* j& O% k5 l" Q * 53 - Exciter or DC Generator Relay! x3 @) P# Y2 q- H' D% G% k
* 54 - High-Speed DC Circuit Breaker* O2 `4 a2 b) t$ F7 q8 B
* 55 - Power Factor Relay
& d+ c% I8 C4 @3 j$ K" V * 56 - Field Application Relay
5 I7 w3 M$ D6 h. A * 59 - Overvoltage Relay9 [9 C- j$ \ K9 L4 u+ r. S4 \7 `% P
* 60 - Voltage or Current Balance Relay7 ?- z: s: u& M$ d
* 61 - Machine Split Phase Current Balance/ ]5 O, Y# k5 V1 O9 m
* 62 - Time-Delay Stopping or Opening Relay
7 `' k( |7 K' M K3 r * 63 - Pressure Switch2 n9 R4 s' U8 W1 R1 z
* 64 - Ground Detector Relay4 J+ c/ r/ |% G/ ~9 |; \
* 65 - Governor" h, }6 ~. h+ s! Q2 [
* 66 - Starts per Hour" `- k" i0 F* i$ ^3 k
* 67 - AC Directional Overcurrent Relay
9 T( y/ c7 {( E+ X q * 68 - Blocking Relay& K4 |. y, I% w# t5 [
* 69 - Permissive Control Device
) h1 W/ Y) M7 W4 @& [ * 71 - Level Switch
/ [. V2 V" ^, ^1 o! |4 b6 w [7 x * 72 - DC Circuit Breaker
U" e3 g) n4 {, M * 74 - Alarm Relay
$ d) s. e' r p! K$ o+ F * 75 - Position Changing Mechanism
8 U* i1 h4 g' N) l. b * 76 - DC Overcurrent Relay& m/ i/ b' i2 K1 C4 {4 y" I
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
4 y: d- w% D9 m9 N0 m/ X$ u * 79 - AC-Reclosing Relay" m( d# Q/ x# @; K! f
* 81 - Frequency Relay2 h0 Z, [. u4 c- l2 M7 z/ q9 x
* 83 - Automatic Selective Control or Transfer Relay
( {! V3 i1 z5 \ * 84 - Operating Mechanism: I/ q7 }, T9 x# V1 h7 f5 {2 o
* 85 - Carrier or Pilot-Wire Receiver Relay; |1 Z" t- `1 o0 Z! {0 }& T
* 86 - Lockout Relay/ L2 s( w. W B, f/ S9 _" z
* 87 - Differential Protective Relay% w L% W6 p+ R% z* j
* 89 - Line Switch
8 s; A% p, o: U0 y * 90 - Regulating Device3 J6 u* {& D4 Z# I, |$ y
* 91 - Voltage Directional Relay
; }. v$ M) T' _0 I& I8 L * 92 - Voltage and Power Directional Relay
# Z6 K$ B7 Q5 u x' S2 I* C, p * 94 - Tripping or Trip-Free Relay
+ e- }. ?5 U- |6 S * 95 - Reluctance Torque Synchrocheck
/ [4 A9 n# T$ v+ j0 _$ o2 y * 96 - Autoloading Relay |
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