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List of Device Numbers' E! }2 F2 @2 t8 u: U6 {: P
Click to learn more...9 Q+ s+ c& ` z5 i1 I8 i: u% ]( p
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* 1 - Master Element! _! W4 h% G6 U( g/ P
* 2 - Time Delay Starting or Closing Relay- M, I5 L, U0 K7 G( \9 \
* 3 - Checking or Interlocking Relay
8 m2 Z% ]9 x; y- N9 G! x * 4 - Master Contactor
$ z2 S& S$ I# N& \$ M. f7 `; A * 5 - Stopping Device( _) P: G( ?- ~. p8 F# a& G1 F0 q
* 6 - Starting Circuit Breaker
x& F& H( J R Q2 g8 V * 7 - Anode Circuit Breaker
1 T4 }$ x5 q* r( ` * 8 - Control Power Disconnecting Device
5 f# f0 D! S5 H9 M) I4 a. _/ x& {: H * 9 - Reversing Device
3 U- T% G" w: K3 A2 A/ G * 10 - Unit Sequence Switch5 x* Y8 a5 B- v( K! s: \! {
* 12 - Overspeed Device# U d# V- v3 K; _: o; Z
* 13 - Synchronous-speed Device' `/ E5 V+ V- { q) C
* 14 - Underspeed Device5 ^: a5 t4 N( z. h
* 15 - Speed - or Frequency-Matching Device
( B7 r" }" F5 _0 L. Z * 21 - Distance Relay. ^7 G v/ c1 A: H
* 23 - Temperature Control Device0 f2 }9 c2 H* ?6 A" M3 N- }' w) Y
* 25 - Synchronizing or Synchronism-Check Device) M- I. Q& k6 ^7 Y- _
* 26 - Apparatus Thermal Device, U0 I2 ] b# M$ h" q& }, B
* 27 - Undervoltage Relay
( q- O2 K. e- J& J" b* x * 29 - Isolating Contactor
) F# `5 |+ L/ H n9 T * 30 - Annunciator Relay$ @% X7 }' }6 y0 l0 I
* 32 - Directional Power Relay
6 Y& h# b1 i* g9 P * 36 - Polarity or Polarizing Voltage Devices8 N3 ^) W' e+ `% I6 p% a; c5 L- F3 G, _
* 37 - Undercurrent or Underpower Relay6 r: k8 j2 ^; K
* 38 - Bearing Protective Device
% G. B6 e! w C _! d# `; |9 U * 39 - Mechanical Conduction Monitor
: `& ~6 O" o3 z, b$ ?1 i. s- e * 40 - Field Relay' D, f, T% @4 \: B& @5 x
* 41 - Field Circuit Breaker4 E; B1 _& j$ O# V7 n& ?" K
* 42 - Running Circuit Breaker8 `9 A8 @/ E: R/ D) l, \* ~
* 43 - Manual Transfer or Selector Device
( `* ?5 s' t+ m7 f: F5 I- ~! O8 \ * 46 - Reverse-phase or Phase-Balance Relay) Z% c$ V9 ]3 `/ X8 Q- H K' S
* 47 - Phase-Sequence Voltage Relay2 S& \0 Y6 f$ i5 R" w
* 48 - Incomplete-Sequence Relay
* m4 G; Q& `8 Q2 ^: ~. x1 g9 Q * 49 - Machine or Transformer Thermal Relay6 x7 q1 w7 i( u2 P/ G9 R, ]
* 50 - Instantaneous Overcurrent
6 \+ i+ t% m8 b; | g; d3 F& v * 51 - AC Time Overcurrent Relay
3 X/ v$ L/ Y5 P( `* G; X * 52 - AC Circuit Breaker6 \' e( O: Q6 ?5 O, O) w2 F+ F) ^
* 53 - Exciter or DC Generator Relay
, n' z# B. W+ {6 O0 v * 54 - High-Speed DC Circuit Breaker( _5 y d& k* a1 h4 A
* 55 - Power Factor Relay
4 N$ `9 `/ q! z% h7 G, n/ U/ s. W * 56 - Field Application Relay& z& S. ]4 \; d) k n
* 59 - Overvoltage Relay4 `4 b" C9 O0 X! K0 y" j; l3 m
* 60 - Voltage or Current Balance Relay* O# ^0 ?$ H" ^4 C5 J1 r* N
* 61 - Machine Split Phase Current Balance
8 N: [9 |& U8 J$ I * 62 - Time-Delay Stopping or Opening Relay
! f( Y& k! K" o; `) p+ T * 63 - Pressure Switch* n, k# v/ e, ^
* 64 - Ground Detector Relay
4 d8 X1 c( u" k+ g * 65 - Governor
: S# q7 x; c' W% w * 66 - Starts per Hour
7 H$ s9 M- ~) g# ~- U7 ? * 67 - AC Directional Overcurrent Relay4 |; O' {0 ] n k
* 68 - Blocking Relay, l0 {4 a0 p* i& [8 I( \3 X
* 69 - Permissive Control Device
/ a' x" p0 g. f/ e3 v- D5 B, I5 P * 71 - Level Switch
# a" ~4 |0 J2 P9 q8 ~ * 72 - DC Circuit Breaker- b( q# W+ m' x, b
* 74 - Alarm Relay8 [+ A+ O2 z. \7 y
* 75 - Position Changing Mechanism
: g9 v/ g. Q2 z0 { * 76 - DC Overcurrent Relay3 Z& |8 z9 \. c$ Y' v4 c
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
0 e) z- ^2 J6 K) p4 T! a * 79 - AC-Reclosing Relay3 u# N0 i- j* \
* 81 - Frequency Relay
6 i4 s( C6 ] n- [5 O0 i/ J * 83 - Automatic Selective Control or Transfer Relay4 c! d' C" N) X
* 84 - Operating Mechanism
7 H* f% ~2 f! z * 85 - Carrier or Pilot-Wire Receiver Relay% r# ^6 U2 `& l! @% y( n
* 86 - Lockout Relay3 t" m2 t5 p. Z
* 87 - Differential Protective Relay
7 a3 q0 Q( Q+ T8 N# w/ ^ * 89 - Line Switch: W* m: o5 \# s/ _5 g0 U) |
* 90 - Regulating Device7 f" A0 _4 f3 }. X- w1 I3 I" w( B
* 91 - Voltage Directional Relay
5 O0 C( p9 O1 ~+ e u# N * 92 - Voltage and Power Directional Relay
8 r. P4 K' _2 P* O5 m/ { * 94 - Tripping or Trip-Free Relay
" I( V* o l: ^. k# h9 |0 _ * 95 - Reluctance Torque Synchrocheck
7 x/ W7 k* ]; c; m, g+ g * 96 - Autoloading Relay |
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