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List of Device Numbers! Z! Z' O: a8 H7 S, n5 `
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; \1 I+ i4 r2 A V4 Z7 j1 b2 ] * 1 - Master Element
* v. u% f6 C* a2 @0 t( Y6 [& G* w: |, a * 2 - Time Delay Starting or Closing Relay
+ [9 m! E& `! e6 S8 S * 3 - Checking or Interlocking Relay
6 G8 B/ l; z) ] _$ P9 E5 _ * 4 - Master Contactor& ?9 b- v3 s) u# t* B; R- ]
* 5 - Stopping Device( E/ N5 x* j: A- r( |8 r
* 6 - Starting Circuit Breaker
; h# |8 S! J0 ^* W1 h * 7 - Anode Circuit Breaker% g# r- f' [+ ?5 ?) C& H
* 8 - Control Power Disconnecting Device
$ e' |9 {) z. o: o7 ?' v* q * 9 - Reversing Device
3 i5 i, e& G" P( [ * 10 - Unit Sequence Switch
, E7 N8 J, `. y+ J2 Y: [ * 12 - Overspeed Device6 w4 s5 |* w- U
* 13 - Synchronous-speed Device/ _0 M# K$ O% h8 \# f6 `
* 14 - Underspeed Device" T# h$ b7 g8 m
* 15 - Speed - or Frequency-Matching Device. j. Y+ u5 p( n$ M# B
* 21 - Distance Relay2 Y8 ^/ a8 R$ ~! b7 b$ ^1 |: d; W
* 23 - Temperature Control Device
3 n& j! R7 c2 T' n* K3 v% n6 `/ W * 25 - Synchronizing or Synchronism-Check Device
* X( C& @; K, W5 h4 C" R' W: a * 26 - Apparatus Thermal Device; L9 y: O% L/ K5 W' U2 C* q
* 27 - Undervoltage Relay
( A3 i" b0 q, X/ C* Z0 s4 s- i * 29 - Isolating Contactor Q0 ?/ s% ?) {
* 30 - Annunciator Relay
' {8 W& n& `! |. w3 C * 32 - Directional Power Relay2 z1 U5 S1 a% T9 z& G
* 36 - Polarity or Polarizing Voltage Devices
2 W& Z7 d3 W0 B# ~0 L- U4 [8 X# Q0 d * 37 - Undercurrent or Underpower Relay
* L: W1 Y/ ~) j. {5 W- M% R * 38 - Bearing Protective Device0 b$ ~( A$ \# M9 o
* 39 - Mechanical Conduction Monitor
5 ^! W/ E6 J$ ?' I7 e! V * 40 - Field Relay
2 w5 j# Q- S8 j: i * 41 - Field Circuit Breaker
6 Q) Y. U, s7 o: j/ T% U * 42 - Running Circuit Breaker) N0 t+ Y& _: |$ N: P/ L$ k6 c
* 43 - Manual Transfer or Selector Device
! g1 z& {- D/ [, A- r1 D1 d * 46 - Reverse-phase or Phase-Balance Relay- J o$ m7 J0 |5 z
* 47 - Phase-Sequence Voltage Relay W, h7 [6 i! \" U- e) O
* 48 - Incomplete-Sequence Relay
+ e$ X( u& n" E9 G: Q$ r * 49 - Machine or Transformer Thermal Relay6 T1 B4 Q, O! @# f
* 50 - Instantaneous Overcurrent+ v9 F% B3 |, |0 i8 V5 n
* 51 - AC Time Overcurrent Relay
4 Y9 j) F0 w& ^4 G; s * 52 - AC Circuit Breaker
' Y- W4 D: d9 ~ * 53 - Exciter or DC Generator Relay
. s% b3 J' v4 \' Q0 s3 t! F4 a * 54 - High-Speed DC Circuit Breaker
( R4 q5 f; V! f* D8 @+ @ * 55 - Power Factor Relay
& M) u$ ^9 c" b' v0 V1 r# @% H * 56 - Field Application Relay
" h( M* O. c M3 F# E6 D * 59 - Overvoltage Relay
0 ~$ Q% h E6 V( m * 60 - Voltage or Current Balance Relay
! ]% m- I1 L/ t3 N9 s1 d$ P; }! R * 61 - Machine Split Phase Current Balance$ [" |) O, o! d: G2 V3 @ i! P
* 62 - Time-Delay Stopping or Opening Relay
1 ]9 V& r$ m; V. @& O9 P4 N Q7 K * 63 - Pressure Switch
! X1 b. u' e, `8 {) \; \ * 64 - Ground Detector Relay
/ e2 D& p B6 c2 {1 M0 o' P7 ]% | * 65 - Governor
- W i- p* a$ G: [ * 66 - Starts per Hour# {2 {% V4 F9 y
* 67 - AC Directional Overcurrent Relay* a; a/ [1 O1 c
* 68 - Blocking Relay& r9 j, U# @; e5 I0 C4 F
* 69 - Permissive Control Device- f/ U- M m) i, t- d- ~" T
* 71 - Level Switch
$ ]3 K) [7 e) r2 Z \* M * 72 - DC Circuit Breaker1 U9 s* W. M; A+ t5 N9 f3 V
* 74 - Alarm Relay7 [: w& T Q2 d9 A3 h' B, J
* 75 - Position Changing Mechanism. k: b3 D0 C* V$ H. [
* 76 - DC Overcurrent Relay
" B9 m- [! b5 Y8 A6 t6 n) e+ S * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
2 C( ^) k) r1 ] N7 j * 79 - AC-Reclosing Relay* s% x: u, v8 S+ y
* 81 - Frequency Relay1 N) Q: u% M" U1 k, ~9 ]: ~; a; x
* 83 - Automatic Selective Control or Transfer Relay
: a1 d2 ]3 n1 K0 o" F# } * 84 - Operating Mechanism" d" p) [' N/ F2 F& |4 ~9 Z* b/ m( h( c
* 85 - Carrier or Pilot-Wire Receiver Relay
& W7 r: S5 }& X, x8 A6 x * 86 - Lockout Relay
, @, h, [% O. |8 D! L * 87 - Differential Protective Relay, l: X3 b1 `/ G, Q5 G& d1 I
* 89 - Line Switch
2 F$ z& c& m& N0 J, h+ h * 90 - Regulating Device
5 e1 J) r/ W" `/ D * 91 - Voltage Directional Relay
/ G' Z J( I! H6 D, n9 G * 92 - Voltage and Power Directional Relay
6 B3 q/ L! o! L# W+ W) ^ * 94 - Tripping or Trip-Free Relay
8 g4 |6 M/ l/ F* e1 X * 95 - Reluctance Torque Synchrocheck
' i0 C$ }, D S: [; L * 96 - Autoloading Relay |
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