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List of Device Numbers, k, A) u6 l& h+ D# d! r, z5 l3 D0 p E0 o
Click to learn more...7 b/ G' s/ `6 W u0 Y7 J
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* 1 - Master Element' `% A1 h; P8 u, ]; G8 _0 L
* 2 - Time Delay Starting or Closing Relay
3 i. n/ r/ j" S- U4 r/ C3 M * 3 - Checking or Interlocking Relay
) p' [! z+ P* f( K$ n * 4 - Master Contactor) `1 c& ?2 k' J3 M
* 5 - Stopping Device
& F0 i5 D; G+ |/ ~ * 6 - Starting Circuit Breaker! {, u! R0 h/ w+ m' X$ N
* 7 - Anode Circuit Breaker0 H) e3 p( R( {& h
* 8 - Control Power Disconnecting Device; a+ }3 {5 p5 ?* e( V+ Y) D w5 ?
* 9 - Reversing Device
) Q: m& v8 F7 i) Q+ H * 10 - Unit Sequence Switch( \9 v7 X/ `3 e: Z# V# R
* 12 - Overspeed Device6 v' j0 @1 {4 V; a# }1 E
* 13 - Synchronous-speed Device+ s: J( N4 ?) |/ D
* 14 - Underspeed Device6 a7 P1 h$ O6 w
* 15 - Speed - or Frequency-Matching Device
( p) p2 }6 J4 `' ~. G4 l) Q& V * 21 - Distance Relay! X0 e: W* N3 a" L! {5 g0 A H# @7 |
* 23 - Temperature Control Device# H6 R1 w! D. S2 a- N( q
* 25 - Synchronizing or Synchronism-Check Device0 M1 B: l. ^0 T! u8 q
* 26 - Apparatus Thermal Device
/ I3 B T8 H& V9 s9 Y$ Q' k * 27 - Undervoltage Relay" Z9 Q$ [( j/ C1 x$ b3 A( D9 T7 q
* 29 - Isolating Contactor
/ e) K. X% ~" X) H! p7 j4 O * 30 - Annunciator Relay: W5 z/ s- H L
* 32 - Directional Power Relay
5 J* C2 x \9 r" X2 y$ M$ V * 36 - Polarity or Polarizing Voltage Devices. c% ~4 ?$ f$ p* {: @& m/ Q
* 37 - Undercurrent or Underpower Relay9 C( f) p; E" b
* 38 - Bearing Protective Device! T4 g5 S/ Y5 P& m+ T3 i3 l
* 39 - Mechanical Conduction Monitor! b4 I3 P, a- ?; |, q3 `/ c
* 40 - Field Relay9 @! B5 r2 A$ T5 e
* 41 - Field Circuit Breaker3 v6 X' p. Y' F6 [
* 42 - Running Circuit Breaker4 I* P- i# i4 W0 r
* 43 - Manual Transfer or Selector Device
5 n& _. V) g& \+ [1 a( V/ H% L * 46 - Reverse-phase or Phase-Balance Relay
- E6 x/ C. i: _+ V$ l+ f* m: i. N. J * 47 - Phase-Sequence Voltage Relay" n7 S# |0 E4 E7 z
* 48 - Incomplete-Sequence Relay
$ O4 G& @6 I8 Z* r * 49 - Machine or Transformer Thermal Relay& Z6 ]: x) z+ l& V/ |' F/ O
* 50 - Instantaneous Overcurrent
7 x/ @9 x8 h! u' H( A) X * 51 - AC Time Overcurrent Relay& t5 j. G3 K7 f
* 52 - AC Circuit Breaker
/ l! ?# i3 \. v, J4 N * 53 - Exciter or DC Generator Relay/ I: H! h I8 _4 v# _
* 54 - High-Speed DC Circuit Breaker
! f# h$ f1 V+ D+ Y# D * 55 - Power Factor Relay$ }9 }' s: H9 ^6 A: B
* 56 - Field Application Relay
p4 X' f" p7 w * 59 - Overvoltage Relay8 f* L! [% p b$ ~2 W
* 60 - Voltage or Current Balance Relay% T' a3 Y" `$ v- F1 K7 @: L/ n
* 61 - Machine Split Phase Current Balance
, k$ B) y4 A/ ~, | * 62 - Time-Delay Stopping or Opening Relay
# |) c: | W# D$ J" Z * 63 - Pressure Switch9 k+ ]% Z9 h) x2 b) D( x, f0 L& R
* 64 - Ground Detector Relay
" C9 c/ K+ h, ? * 65 - Governor
% q: d) B% T. C7 Y3 j3 E( J * 66 - Starts per Hour
* C4 H6 d( V* Q9 p( F, z * 67 - AC Directional Overcurrent Relay' m$ t) X! Y, n: F* P3 M
* 68 - Blocking Relay& U/ q6 @* Y3 h7 ~- l# A2 T5 K
* 69 - Permissive Control Device8 F( W L+ w, v3 j8 d2 b
* 71 - Level Switch: m' Z3 N. S$ S
* 72 - DC Circuit Breaker
: _* w' [ o7 b+ E: ~, C * 74 - Alarm Relay! U, k; D. R- W% l1 R( b( P; V* Z
* 75 - Position Changing Mechanism% i. O$ d( @3 o' o2 ^* m
* 76 - DC Overcurrent Relay; T) ]' ?7 `' f5 z8 X- c2 H6 T, u' y
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay4 U4 B6 T, c$ g, A, |6 w
* 79 - AC-Reclosing Relay
. u( c) y( l# a7 W: T$ } * 81 - Frequency Relay4 Q' @! g3 N$ `5 j4 I
* 83 - Automatic Selective Control or Transfer Relay m; T! @- J/ I+ f4 U5 N- g: E
* 84 - Operating Mechanism% G t2 @% j& h# v+ ]
* 85 - Carrier or Pilot-Wire Receiver Relay+ }" P9 O ^ a$ Q2 \) J, K
* 86 - Lockout Relay; ^' U7 f/ @' G% W" @
* 87 - Differential Protective Relay
! t/ d2 ^4 F1 y" _4 C' u9 X% A * 89 - Line Switch
5 ~8 b4 e3 [# n4 h) O * 90 - Regulating Device
5 P. ~0 b, ~' \# u * 91 - Voltage Directional Relay
0 s+ A! l# l \9 t * 92 - Voltage and Power Directional Relay
2 L. j/ r6 T+ M; T( j0 i * 94 - Tripping or Trip-Free Relay) _1 s/ v& W9 V7 C& F
* 95 - Reluctance Torque Synchrocheck$ x2 p3 X9 d5 _1 ~1 W! l
* 96 - Autoloading Relay |
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