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List of Device Numbers, Y! o# _ @) c+ q( a
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! K8 c; Y- q+ u
g: s: u* ]& I7 z6 z: O * 1 - Master Element
4 Q4 e+ P# N0 x4 U * 2 - Time Delay Starting or Closing Relay
2 p. Z8 L9 h( M * 3 - Checking or Interlocking Relay
8 f7 X; {: o7 `) x3 \ * 4 - Master Contactor
( } [8 {2 m3 }' ~ y- E3 E * 5 - Stopping Device. l3 g& I2 c3 v! W! X, u/ S9 }
* 6 - Starting Circuit Breaker
9 l- {+ L. q. a8 x6 u8 v * 7 - Anode Circuit Breaker4 u$ A2 q5 r6 ], [
* 8 - Control Power Disconnecting Device' T) y. F7 @ ~; p0 O! {
* 9 - Reversing Device+ G( s- e. X5 ^. p: [
* 10 - Unit Sequence Switch, F+ F. G- U* N
* 12 - Overspeed Device( q8 ?& X: V) @: q: i# g
* 13 - Synchronous-speed Device1 ~6 k+ Y; j% F% Q
* 14 - Underspeed Device: Y) J: Z2 l( ~- t; m0 X8 E
* 15 - Speed - or Frequency-Matching Device2 x7 V6 }; Q7 Z. m
* 21 - Distance Relay
$ V. m0 f2 I( A: I) f# H* b * 23 - Temperature Control Device
: b( i, A) A) c5 p0 M! ?& C * 25 - Synchronizing or Synchronism-Check Device
# \0 G" X6 X4 |) j+ F/ @, ~3 l- G * 26 - Apparatus Thermal Device
5 A0 m# V* Z* n: i * 27 - Undervoltage Relay; c7 k; B k" H+ _ O2 \3 ^
* 29 - Isolating Contactor
& J! d: d( }5 n E7 V% d * 30 - Annunciator Relay
/ {5 a6 z8 d* q! \! G/ n * 32 - Directional Power Relay
, J+ ~- r" w |: l * 36 - Polarity or Polarizing Voltage Devices
$ V: k$ y$ e0 ?% c9 x * 37 - Undercurrent or Underpower Relay
7 d! v$ b% N4 v- M5 w, i/ I * 38 - Bearing Protective Device# I R9 m) E* V7 V" X
* 39 - Mechanical Conduction Monitor
2 I$ l& {$ m, \" r* B% N: N" T * 40 - Field Relay9 g, p( U! q5 j, G& m7 q
* 41 - Field Circuit Breaker8 P3 N# X: T: B$ s7 u3 C
* 42 - Running Circuit Breaker
& _* T2 ?) V) A# _2 } * 43 - Manual Transfer or Selector Device
3 t! u, v$ f Y& B) G5 g. u \& { * 46 - Reverse-phase or Phase-Balance Relay! g! A& U5 y' ], z: A
* 47 - Phase-Sequence Voltage Relay
4 e" F0 |0 ]+ l5 T! O% y- P' W * 48 - Incomplete-Sequence Relay
7 J) ~- v: R0 c- }' H. J * 49 - Machine or Transformer Thermal Relay
5 ~3 ]$ v9 d9 Z" c' Z. \ * 50 - Instantaneous Overcurrent
0 e% L8 M* }% S# k" w) ^5 w4 ] * 51 - AC Time Overcurrent Relay
; u: F" |$ B9 @* m9 L- T * 52 - AC Circuit Breaker
, R- X& H6 f+ I% q, i7 J" i * 53 - Exciter or DC Generator Relay
0 n9 W& m% L4 Z+ B) s* i: N * 54 - High-Speed DC Circuit Breaker
4 P- c! W& d' d' |, Q2 E * 55 - Power Factor Relay% M8 Y3 ?" l* \% h7 |7 j
* 56 - Field Application Relay4 u0 g4 e/ G2 J" Q
* 59 - Overvoltage Relay, a ^# @9 E6 v2 U9 R3 q
* 60 - Voltage or Current Balance Relay; m0 ?$ ?# y( \/ v, {: d( i. N
* 61 - Machine Split Phase Current Balance9 T) r% S& ~ k; q4 x2 r' P) s
* 62 - Time-Delay Stopping or Opening Relay
; ]% t4 K+ Y& M' V) U7 ] * 63 - Pressure Switch
2 O/ Q1 l2 ~( G. X * 64 - Ground Detector Relay
! h0 B0 p5 a" @1 w% \ * 65 - Governor
8 z* f( b7 I/ u' p! a& j8 K7 Z9 j * 66 - Starts per Hour
+ z: U( w& ^4 n7 f( @- I! P" ~- D * 67 - AC Directional Overcurrent Relay% Y D3 j! a+ R( n2 r$ F% W- d: b
* 68 - Blocking Relay
5 L" Y9 ^: z7 {" J# ` * 69 - Permissive Control Device' ]1 H: F8 B3 o; {
* 71 - Level Switch/ M e, Z6 P: P
* 72 - DC Circuit Breaker' r) k+ ?" i/ S8 I
* 74 - Alarm Relay8 S' K+ J/ n- g# n' D; e
* 75 - Position Changing Mechanism
9 C* W3 Z0 \# Y * 76 - DC Overcurrent Relay5 a" l) w0 \) h. f" ~
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
0 q% c5 b) I3 J- M * 79 - AC-Reclosing Relay
8 @/ T1 Q1 m1 ?9 l7 }& S+ n* E * 81 - Frequency Relay
" \% i, _# ~ ? X: ~- B * 83 - Automatic Selective Control or Transfer Relay
/ D' F7 U: }6 A$ ^ * 84 - Operating Mechanism' H p* h- X, h6 x0 D
* 85 - Carrier or Pilot-Wire Receiver Relay
& {- \' l; t/ G7 K' Z: ? * 86 - Lockout Relay. A0 q1 `) \( i T3 X" ^
* 87 - Differential Protective Relay
. }6 f9 b, a0 x * 89 - Line Switch# V) i) w5 R" G9 J7 ~
* 90 - Regulating Device
( _6 i( {: l1 C * 91 - Voltage Directional Relay
! M! {' O z! _6 g$ m * 92 - Voltage and Power Directional Relay
+ i7 O3 r9 Q( S1 H* @, p; t * 94 - Tripping or Trip-Free Relay
1 d; S' P. H/ M8 {$ T { * 95 - Reluctance Torque Synchrocheck
. H6 u: v0 t4 _. p$ i* e0 S * 96 - Autoloading Relay |
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