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List of Device Numbers
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! f8 ?1 c ?' C5 ]1 _( h. E * 1 - Master Element/ Q/ T8 \% P) @8 X0 m0 O: e
* 2 - Time Delay Starting or Closing Relay+ }! }) x( v, x' L
* 3 - Checking or Interlocking Relay' T N- v/ B* @1 O
* 4 - Master Contactor
- h$ J: [) i$ y1 j$ N c/ h * 5 - Stopping Device0 I4 D5 T1 m* o% `5 {4 }
* 6 - Starting Circuit Breaker# F: F( ~5 T7 m! t! x
* 7 - Anode Circuit Breaker9 }4 {* k5 l9 T5 h
* 8 - Control Power Disconnecting Device. t8 j) D( C, F* _" \& `
* 9 - Reversing Device
3 G- c) X: @. }! l8 E4 R' p7 d * 10 - Unit Sequence Switch
" l- V' j3 n2 q * 12 - Overspeed Device
- I0 r) l$ k6 p+ S0 Q * 13 - Synchronous-speed Device8 f, E8 T, C# a% P" H; W ]
* 14 - Underspeed Device- W* O' w3 I: x
* 15 - Speed - or Frequency-Matching Device
% k: v, E9 H& O0 ? U0 N& t# H. C * 21 - Distance Relay0 [7 c0 ^; V! C0 ?/ Q
* 23 - Temperature Control Device4 l: V' x. A! e+ n* F# j5 E1 x$ Y V
* 25 - Synchronizing or Synchronism-Check Device
+ f& ?6 X, F6 n+ f) b# {% q * 26 - Apparatus Thermal Device/ U4 `$ n- [4 O [0 q% y) f
* 27 - Undervoltage Relay
. N/ Q, F0 ~3 a A * 29 - Isolating Contactor
) h- P9 W) \1 G/ a# d, L * 30 - Annunciator Relay2 C# q- x" d1 S5 ]2 L, H# F2 Z* h
* 32 - Directional Power Relay% l' ]/ A6 }2 m: S; m
* 36 - Polarity or Polarizing Voltage Devices
2 C K4 M+ ^' d1 h6 k6 h6 L3 _- x * 37 - Undercurrent or Underpower Relay+ K! s3 S6 @ _
* 38 - Bearing Protective Device b7 n u% G5 F: g/ _# A9 F8 `
* 39 - Mechanical Conduction Monitor
! G& j9 |" I9 {, C' T4 n. V * 40 - Field Relay
% c6 q! c) _6 P( G; ~ * 41 - Field Circuit Breaker
. Q6 K6 D! a$ o! S) U: D( v * 42 - Running Circuit Breaker" R4 t8 L+ ~& f
* 43 - Manual Transfer or Selector Device, ^6 X/ q4 _ U6 H4 f6 \) X
* 46 - Reverse-phase or Phase-Balance Relay8 n f8 v1 e8 y* n
* 47 - Phase-Sequence Voltage Relay4 m2 f( Z) q; h: E
* 48 - Incomplete-Sequence Relay& L% k: a: g" @8 h. Z/ Y0 O
* 49 - Machine or Transformer Thermal Relay
9 p& K9 j- _2 W$ O. P; `, M * 50 - Instantaneous Overcurrent
5 ?& \* @6 ?5 `: n * 51 - AC Time Overcurrent Relay7 S4 S! w4 @$ D6 x5 I
* 52 - AC Circuit Breaker' B# h9 X# P* }1 r
* 53 - Exciter or DC Generator Relay0 y3 a, T- D a+ T9 t& T
* 54 - High-Speed DC Circuit Breaker
# z6 U6 T* ]* m% h$ n * 55 - Power Factor Relay+ h0 G; w9 d9 z8 C, ?% y$ g, }2 @
* 56 - Field Application Relay9 {* \7 Q6 u" b8 ]7 ~$ D) d
* 59 - Overvoltage Relay" h$ f# c% M# g) P8 S4 S+ _. A U/ X
* 60 - Voltage or Current Balance Relay
5 R! |" V) q5 M * 61 - Machine Split Phase Current Balance/ I- t K! C) ?0 Z, i( {8 _
* 62 - Time-Delay Stopping or Opening Relay) h; n) J+ `8 H9 w/ n. b
* 63 - Pressure Switch6 z& I9 U8 O+ R% T- @% I {
* 64 - Ground Detector Relay
$ f/ H) B5 H- r* P- r * 65 - Governor1 q8 @$ x, c, X0 p* ]
* 66 - Starts per Hour; ~7 K2 X' ^/ ]1 T' ]( {- D1 c
* 67 - AC Directional Overcurrent Relay
. [6 ^0 N% L+ }( U$ g * 68 - Blocking Relay
8 N" l) U. C2 \# L" b' A4 P * 69 - Permissive Control Device* ?0 p7 h G- Q* x) Y! R- M$ O4 l
* 71 - Level Switch
5 x% v' w# k: W& U2 x' B: \ * 72 - DC Circuit Breaker$ D+ C/ Q( E8 ]! { o7 ?8 c; W
* 74 - Alarm Relay+ k4 z8 z% R# P5 Z! o2 e6 j. h
* 75 - Position Changing Mechanism
" i) M* B3 K, f4 { * 76 - DC Overcurrent Relay
: y. I$ m2 C0 L * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay2 T, s4 o" V* H% N' ^
* 79 - AC-Reclosing Relay; E# t- N$ S3 g& q" `/ O3 w
* 81 - Frequency Relay
) n+ X- U8 r3 y) G \4 I * 83 - Automatic Selective Control or Transfer Relay
9 w7 q( H; g- t A * 84 - Operating Mechanism
" ~& ?# d* v0 F. v( v. o# m8 f * 85 - Carrier or Pilot-Wire Receiver Relay5 Y# e9 k* p1 O
* 86 - Lockout Relay1 S' @+ U* X' |# S
* 87 - Differential Protective Relay
; b4 O1 j/ @; M8 R2 M# U * 89 - Line Switch
" Y9 X3 h) |6 b7 I6 G * 90 - Regulating Device
v+ O8 H, i7 D- d9 l * 91 - Voltage Directional Relay7 R' X0 ~% B0 I% N* k' I
* 92 - Voltage and Power Directional Relay/ H$ o: @0 P) W3 Y
* 94 - Tripping or Trip-Free Relay
6 F# M# ? G$ R# B3 _1 E * 95 - Reluctance Torque Synchrocheck/ U# n. A; _: X1 x g9 j, n" [' t
* 96 - Autoloading Relay |
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