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List of Device Numbers+ w5 E" S9 \( r9 l% ~# }
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* 1 - Master Element) V5 m" Z! a! {5 a: t# N! r
* 2 - Time Delay Starting or Closing Relay4 I' d6 }4 v- D7 k0 j b
* 3 - Checking or Interlocking Relay8 v q$ p8 s9 N5 r, g% |% w
* 4 - Master Contactor( x2 c9 Z2 k% h, }. f: L; C1 I) i
* 5 - Stopping Device% O3 ` p* v( a4 X' X
* 6 - Starting Circuit Breaker
. u' G+ ~# [0 ^& k3 u% ` A# n * 7 - Anode Circuit Breaker) ^8 D$ l) W5 r" e' [
* 8 - Control Power Disconnecting Device9 p2 h5 o+ u) A: R0 _
* 9 - Reversing Device# s4 F! V% M( |7 s. S
* 10 - Unit Sequence Switch; B& s1 V7 f/ N" s* `
* 12 - Overspeed Device
' h: t `2 Q/ v2 K4 P * 13 - Synchronous-speed Device
4 C4 J, h$ c0 ~9 m5 }( k9 X5 K * 14 - Underspeed Device0 h2 D/ i6 `' r2 j8 M
* 15 - Speed - or Frequency-Matching Device. x/ c7 f% S- o
* 21 - Distance Relay
4 q( t- G# ?, R5 o1 X+ ~ * 23 - Temperature Control Device
1 Q) U1 x. V z2 @7 l, W5 b6 y * 25 - Synchronizing or Synchronism-Check Device
+ u1 _7 Y2 b; H+ N. ~ k/ [* U * 26 - Apparatus Thermal Device
, B4 J( \% j# @8 ~ * 27 - Undervoltage Relay( u0 b' Q5 T& n9 u2 k
* 29 - Isolating Contactor) \% d% g, \! y3 @ m- l
* 30 - Annunciator Relay
! t5 V; Q1 O* J c/ l * 32 - Directional Power Relay0 F5 P9 G4 l/ {& h! d+ G! {7 w
* 36 - Polarity or Polarizing Voltage Devices
1 M9 L! a, X* f" A * 37 - Undercurrent or Underpower Relay
4 a/ k- a5 j, K2 Q6 {3 Y7 @ * 38 - Bearing Protective Device
7 L% H) \6 a. Z, K. H6 T' m, ~ * 39 - Mechanical Conduction Monitor
1 M4 }" U1 H; Y) H5 N * 40 - Field Relay
0 M8 m/ X$ U, X% N8 F4 l * 41 - Field Circuit Breaker+ U r* s; ], t2 W4 {8 i% |& Y
* 42 - Running Circuit Breaker4 ~, Z7 V6 Z. B
* 43 - Manual Transfer or Selector Device
; f' G( O( V& {$ O" ] * 46 - Reverse-phase or Phase-Balance Relay7 P$ l B, e5 O% D1 S
* 47 - Phase-Sequence Voltage Relay% I2 ]9 [# D- x5 u
* 48 - Incomplete-Sequence Relay* c# f2 H9 S6 s/ w
* 49 - Machine or Transformer Thermal Relay4 _0 i/ @# m8 [5 @. o* {- U
* 50 - Instantaneous Overcurrent
5 a! s" E4 u3 o @ * 51 - AC Time Overcurrent Relay) a) E1 w- c" T7 L% A3 l, Y/ E
* 52 - AC Circuit Breaker; w" e- C7 o6 ?9 I& B2 w
* 53 - Exciter or DC Generator Relay9 @1 w. c; l9 ?# W1 H5 |3 M( y" a
* 54 - High-Speed DC Circuit Breaker
# h- H: R9 J- z8 X9 R, U7 a * 55 - Power Factor Relay0 r) Y% L) e+ L1 Z' Z$ @2 d% S
* 56 - Field Application Relay
& m& S! ]1 O- ] * 59 - Overvoltage Relay9 u% o/ y% _4 m7 B
* 60 - Voltage or Current Balance Relay
' ?6 F) m0 s) J# \ * 61 - Machine Split Phase Current Balance
4 a1 N: e, g5 F * 62 - Time-Delay Stopping or Opening Relay( H; y% O/ R" O, w( E9 s
* 63 - Pressure Switch
3 m5 z8 {% s) ~6 e2 r * 64 - Ground Detector Relay( E3 S8 T. q9 T' y2 g- v- B' @
* 65 - Governor" E. w. k3 s9 y- J
* 66 - Starts per Hour
4 p5 H& V( Z5 i0 R8 Z2 p. I * 67 - AC Directional Overcurrent Relay
+ T" b" }5 l4 Z2 Z * 68 - Blocking Relay
3 {' J7 P' j, X7 g4 s: H * 69 - Permissive Control Device
' z8 I- R4 @# x * 71 - Level Switch
, k4 u3 V1 \. V3 ]+ q * 72 - DC Circuit Breaker
1 c: o; a" k9 }6 h( p/ ~9 I * 74 - Alarm Relay
4 E: a8 b' t4 U, n$ t8 H * 75 - Position Changing Mechanism& j: G+ a- f: L
* 76 - DC Overcurrent Relay
1 O4 p N& K8 h$ K6 h8 Q * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay0 n- l( L1 l0 }7 W% v
* 79 - AC-Reclosing Relay% F2 `$ r n. M; \1 t. v0 ~
* 81 - Frequency Relay
# V: y7 W5 ~5 X x * 83 - Automatic Selective Control or Transfer Relay
; K& x# x: j* x% [* T * 84 - Operating Mechanism9 c1 P7 ?9 z. N) G
* 85 - Carrier or Pilot-Wire Receiver Relay
5 e- {- P+ Q( i* X8 u& L9 P' u5 ` } * 86 - Lockout Relay" p0 S0 r" c* H" X
* 87 - Differential Protective Relay
7 _+ t+ G$ b: s' v * 89 - Line Switch
; a; Z- A. d w5 g7 o8 g" l1 ~ * 90 - Regulating Device
8 Y m2 t$ P+ D- w, A * 91 - Voltage Directional Relay
7 h* m: J, X h * 92 - Voltage and Power Directional Relay7 t( D1 N* {5 p+ J
* 94 - Tripping or Trip-Free Relay
% B5 R# E3 _" o( m$ q9 `1 t3 `9 e * 95 - Reluctance Torque Synchrocheck
9 d3 [5 O. {7 c7 z: [' T* F# M. o * 96 - Autoloading Relay |
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