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List of Device Numbers% ^4 E2 e) L! b
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9 { J! ~! j- I2 V6 V; X3 q6 s, U% K$ N+ }
* 1 - Master Element
5 p+ c- W. P9 m* x8 L * 2 - Time Delay Starting or Closing Relay4 p5 u8 _5 s1 b+ W1 v7 k( _
* 3 - Checking or Interlocking Relay9 q# H# w0 y4 f' m' Z" Z/ _2 o
* 4 - Master Contactor' i. J3 s4 Z* T K0 f9 m( D# _
* 5 - Stopping Device' l# F% r6 q% K( n
* 6 - Starting Circuit Breaker5 ?: @. E2 o- L$ ]6 x( F6 W( G
* 7 - Anode Circuit Breaker9 u: S+ h' i% @! O
* 8 - Control Power Disconnecting Device9 H! ^8 h/ ]* i* w' s7 x0 @
* 9 - Reversing Device8 v, ^* Y. P) d4 I3 w- A* m ]5 w
* 10 - Unit Sequence Switch
* l' a1 w4 S3 P8 f0 r1 Y: `/ ]0 q& O * 12 - Overspeed Device6 @- t& v. f0 o- I; A0 x0 w; }* N
* 13 - Synchronous-speed Device
- |8 ~$ A* i+ l7 d0 f1 i * 14 - Underspeed Device
( y8 R; x. G4 U" X, G& _- { * 15 - Speed - or Frequency-Matching Device6 l ]- O1 R3 @
* 21 - Distance Relay7 V$ N3 u1 j* p* W; K) E
* 23 - Temperature Control Device
5 _# `! L/ R3 m3 f+ D * 25 - Synchronizing or Synchronism-Check Device5 x1 Q4 P: A o, T
* 26 - Apparatus Thermal Device3 m* {" {7 V& @& B) r9 ~( C6 M
* 27 - Undervoltage Relay
* I0 l: c- b f6 ]! A) j# m b# f9 d * 29 - Isolating Contactor3 B6 C- {9 p; B) K2 d0 k
* 30 - Annunciator Relay
2 b0 A9 {* ~% g$ U! j& r0 Y * 32 - Directional Power Relay0 u0 `/ ]8 v( P# o7 j: S i2 G" \
* 36 - Polarity or Polarizing Voltage Devices3 W& k0 R/ w' H
* 37 - Undercurrent or Underpower Relay
4 b5 W5 c2 @6 Q * 38 - Bearing Protective Device
% l t$ c @. _ * 39 - Mechanical Conduction Monitor1 p, Z7 v& v ]$ f
* 40 - Field Relay
4 Y* R+ i i9 {- z2 }5 }3 d! M * 41 - Field Circuit Breaker
+ o m+ T( {, ]- S0 p * 42 - Running Circuit Breaker2 y% C' m K+ H- W. c) N
* 43 - Manual Transfer or Selector Device
/ R1 b& K; ~' ?+ t* D+ s5 e! s * 46 - Reverse-phase or Phase-Balance Relay
3 C3 l6 E2 y1 s2 w- W2 i9 Y6 t8 A * 47 - Phase-Sequence Voltage Relay
7 x3 ]$ c% s6 C; }) z/ Q * 48 - Incomplete-Sequence Relay
d" K v J: H( ~$ h( O * 49 - Machine or Transformer Thermal Relay( \6 `0 r+ M$ g* a. w
* 50 - Instantaneous Overcurrent
- P" R9 D& V! R$ s * 51 - AC Time Overcurrent Relay
7 f( x7 [0 Q1 ]# P * 52 - AC Circuit Breaker
) L) s# r& }. b1 {) C& w4 K2 D * 53 - Exciter or DC Generator Relay
2 K2 K7 m8 q: P; V3 t9 v * 54 - High-Speed DC Circuit Breaker
2 ~5 Z+ g& w, z( L0 @3 B2 y * 55 - Power Factor Relay1 a' X1 l: h, G5 v$ N8 g# [0 y! c
* 56 - Field Application Relay8 c9 c' p* d' E
* 59 - Overvoltage Relay# r: r. }# [8 Q# J7 r
* 60 - Voltage or Current Balance Relay5 X0 r4 \5 w! v. a$ Y
* 61 - Machine Split Phase Current Balance* O) A0 Z T) X/ A# I
* 62 - Time-Delay Stopping or Opening Relay, T; c/ Y6 |, W- C3 W
* 63 - Pressure Switch1 b, n6 I' _2 G* A4 X/ s) P/ Q. M
* 64 - Ground Detector Relay+ |4 N% u, e- D0 j) I! Q/ ^- \
* 65 - Governor$ h3 P, } O! Y1 `4 Q/ |5 A+ ?9 x
* 66 - Starts per Hour
& [# M' o5 N+ ^" x+ B- t * 67 - AC Directional Overcurrent Relay* S% O I6 _% o8 z: ^. U
* 68 - Blocking Relay2 L5 k7 [+ B2 i" _4 ]" d* b( A( C
* 69 - Permissive Control Device" B4 ^ [# F8 @1 W3 p2 c
* 71 - Level Switch6 A! h5 N# E! O {1 h. Y; f/ @7 D
* 72 - DC Circuit Breaker' v/ h4 f& \. |; V8 Q4 S
* 74 - Alarm Relay$ {" M; c8 N: C% v
* 75 - Position Changing Mechanism
5 S' p6 V, {6 m t! K& C * 76 - DC Overcurrent Relay1 k5 n2 U0 {. U. a) ^
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
, h- b7 q' }- U& O" G+ [1 D$ _ * 79 - AC-Reclosing Relay6 [# ], A5 ~6 j2 M3 f0 T o
* 81 - Frequency Relay
7 w6 k& ~8 h. ?8 q' H. d/ x * 83 - Automatic Selective Control or Transfer Relay5 e& w `1 q/ A. F7 B
* 84 - Operating Mechanism
4 c7 l6 {( {- `- |8 e9 [& }) q * 85 - Carrier or Pilot-Wire Receiver Relay
. a! K! G8 A2 |6 u3 v2 z * 86 - Lockout Relay& _: t/ P$ B5 F0 i
* 87 - Differential Protective Relay
2 ~% Y* z2 z. r; r" K7 ]9 P+ U9 s * 89 - Line Switch
, s5 X6 a5 q& t/ e% t( v * 90 - Regulating Device
& i1 h% a! s% m6 P8 u8 Q; r" X * 91 - Voltage Directional Relay) u7 |/ F& l, `0 W- q
* 92 - Voltage and Power Directional Relay
1 k5 t" Q0 O0 H. w( ? * 94 - Tripping or Trip-Free Relay
M5 h2 O) d2 g2 l1 X * 95 - Reluctance Torque Synchrocheck, W% y! g5 W! U L' X& q( g9 k
* 96 - Autoloading Relay |
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