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List of Device Numbers
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! s: `: \3 s# S" ^! i5 c * 1 - Master Element
+ D+ |8 _6 w2 [! q1 ?* r, M( n8 C * 2 - Time Delay Starting or Closing Relay
' K" ^+ v5 @3 L$ S( t * 3 - Checking or Interlocking Relay
* d( e# J7 l$ d# ` G; P# ?; G * 4 - Master Contactor! R( I* K9 {$ p5 j% y
* 5 - Stopping Device
]) v: R' Q$ x% } * 6 - Starting Circuit Breaker
$ {2 e* f1 `7 H2 n * 7 - Anode Circuit Breaker
+ V3 Y) y+ I/ x8 D3 @# M * 8 - Control Power Disconnecting Device
4 O; [4 y( H1 Z/ q# _6 V3 M * 9 - Reversing Device7 ?: f% R- c) ? B% T% m
* 10 - Unit Sequence Switch
: ~3 i8 \. _+ J# B2 | * 12 - Overspeed Device1 K* p, s( @3 J6 a/ H6 _
* 13 - Synchronous-speed Device: B7 k z2 h* E/ E
* 14 - Underspeed Device9 N1 T' t' M1 t0 b" O9 I+ m' ~- g
* 15 - Speed - or Frequency-Matching Device! c/ r9 \& Z- y% D
* 21 - Distance Relay2 c1 y8 o; S X* o# N/ \
* 23 - Temperature Control Device8 D' k/ ^* [+ C/ j& k) ~# o6 l8 l: \
* 25 - Synchronizing or Synchronism-Check Device
) P" ^$ p4 r, X+ q& _ s- p9 Q, j$ Q * 26 - Apparatus Thermal Device _! R! y, s- I/ I6 o, B
* 27 - Undervoltage Relay
7 j9 `2 _8 k$ U- i * 29 - Isolating Contactor
/ ? P) A) G: v N- S' d3 _ * 30 - Annunciator Relay
( C) n" J) m2 } J4 O5 b * 32 - Directional Power Relay( Z' X) a) D4 H' V/ p8 Z
* 36 - Polarity or Polarizing Voltage Devices
, t. k$ r+ k5 t7 G7 `2 Y: k * 37 - Undercurrent or Underpower Relay2 u( B6 D7 G4 J/ _( W2 I
* 38 - Bearing Protective Device
" f$ R# s) A$ h# {1 A! H * 39 - Mechanical Conduction Monitor
7 O Y/ Q5 |! { * 40 - Field Relay
3 [* s& i& \6 Y6 F+ Y; O * 41 - Field Circuit Breaker" ]2 w8 g) X3 c7 f1 f
* 42 - Running Circuit Breaker
! L6 }- Y1 U" F * 43 - Manual Transfer or Selector Device
+ N" b0 ]& Y/ J- Y" H! O: C% S; d * 46 - Reverse-phase or Phase-Balance Relay" a3 s& p: ^+ I8 \$ |
* 47 - Phase-Sequence Voltage Relay+ r: ]$ I; p/ f! G$ B8 r
* 48 - Incomplete-Sequence Relay k- N) }3 ?9 ~9 T% J6 n. c6 m
* 49 - Machine or Transformer Thermal Relay
: P) @. `5 a( N* f* I9 z- d+ c * 50 - Instantaneous Overcurrent6 K1 |( }$ d' h a
* 51 - AC Time Overcurrent Relay
6 ^9 _* {' q% S * 52 - AC Circuit Breaker
5 o: t% ^" c/ c7 _! D$ j * 53 - Exciter or DC Generator Relay# T1 z' o% z+ @+ g
* 54 - High-Speed DC Circuit Breaker- u1 B5 O! [( J) x4 g
* 55 - Power Factor Relay% f+ ~9 n, y( P9 L2 M, H( e
* 56 - Field Application Relay
8 f- m3 z- Q5 ?, b- l% ^4 j" S6 r+ A * 59 - Overvoltage Relay: f" {# }7 u! n) Z! P& M5 q
* 60 - Voltage or Current Balance Relay
2 u E' Q& O) U0 m2 k: q * 61 - Machine Split Phase Current Balance
5 E* V+ ~' L+ E3 p * 62 - Time-Delay Stopping or Opening Relay$ y) k! R9 L B0 x& e
* 63 - Pressure Switch
' }0 m& L9 o: ?* B* S9 R: k' t% H& ]. T- | * 64 - Ground Detector Relay
5 d" E) ]0 ?+ |% G2 P l * 65 - Governor s( w" T, }+ |& ^( L
* 66 - Starts per Hour; ]0 o6 _/ T- W( Y5 I# D
* 67 - AC Directional Overcurrent Relay
) f4 U% s/ X/ K5 m0 B' _ * 68 - Blocking Relay: z8 W7 k' |$ a4 n
* 69 - Permissive Control Device# F/ D& x9 a0 ~2 A3 W
* 71 - Level Switch9 t% {0 D3 `( O+ U" Y+ ~! d
* 72 - DC Circuit Breaker
1 Y, S- o2 r: v, x * 74 - Alarm Relay
# g1 d4 E/ |5 ? * 75 - Position Changing Mechanism- ]; u, i' H% i* I& ]& L! U( U5 R$ G
* 76 - DC Overcurrent Relay
' h4 T' Z9 M0 e; d5 \! S" r * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
2 g5 J0 z8 z/ ^. [" v * 79 - AC-Reclosing Relay
( i' E; a' U& O* t. R * 81 - Frequency Relay9 {( C9 U. R- b' m: T
* 83 - Automatic Selective Control or Transfer Relay0 O) F$ f/ } i* Q3 `
* 84 - Operating Mechanism, B& d2 E$ @# E) }! b
* 85 - Carrier or Pilot-Wire Receiver Relay
# G& k9 z6 m2 c- r! i, F* m * 86 - Lockout Relay# ?/ D+ g6 G0 x+ |- C
* 87 - Differential Protective Relay" H3 p# ]" H" ], T8 Z$ _
* 89 - Line Switch
5 c$ l% [' h+ ]- J! V: O * 90 - Regulating Device0 M- z1 X, b: _+ ^' A
* 91 - Voltage Directional Relay. T! E3 N$ T+ }0 B7 R
* 92 - Voltage and Power Directional Relay
# E8 p' d9 Y7 B2 }: ^0 S# v0 U+ m * 94 - Tripping or Trip-Free Relay
- z/ U3 T2 s5 E: T: C: V * 95 - Reluctance Torque Synchrocheck
- d, w4 a% i+ ?2 S L+ h$ l' s, f * 96 - Autoloading Relay |
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