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List of Device Numbers, O. c5 H' O Y3 e0 K2 P2 n- T* v
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6 [# w8 L1 M) i' g0 l* `% ~1 B * 1 - Master Element
( f% K: o! R* p. P" O * 2 - Time Delay Starting or Closing Relay. `2 y+ q4 S/ s+ Z
* 3 - Checking or Interlocking Relay
( K1 m4 y7 K6 W& {$ q; T7 `' S5 T * 4 - Master Contactor
) q4 c5 a3 Z5 k, I' B( R2 s0 i' ] * 5 - Stopping Device; m2 w; h% H! e/ R0 Q5 P/ N9 X
* 6 - Starting Circuit Breaker0 Q) s: h. B$ T$ O; g
* 7 - Anode Circuit Breaker1 p0 t+ s& v0 k( Y
* 8 - Control Power Disconnecting Device
: }; K" e3 I7 a1 g& |7 f * 9 - Reversing Device
$ x7 R3 t, n' W: s5 H * 10 - Unit Sequence Switch
: L M" G! `, P6 [* c0 h * 12 - Overspeed Device
# {" s8 g3 ?/ k* Q * 13 - Synchronous-speed Device
8 R8 W- ?# r E6 A * 14 - Underspeed Device }1 m" A0 o q ]; t. m( M
* 15 - Speed - or Frequency-Matching Device {6 Z0 `+ f6 V& H/ _ Q
* 21 - Distance Relay" x- T4 S1 G6 x$ O1 o) w! U
* 23 - Temperature Control Device
, e% S& U8 m( p i3 M, D * 25 - Synchronizing or Synchronism-Check Device
+ G" g. i$ G( D/ f6 [4 k * 26 - Apparatus Thermal Device
- h$ C1 c @ p * 27 - Undervoltage Relay3 W# O, l/ ?) a" P+ H8 N
* 29 - Isolating Contactor
9 k$ g- v M! M, w * 30 - Annunciator Relay
. ^$ h- t& K' S1 f+ X' d * 32 - Directional Power Relay
' i" R$ z9 S8 b, d, k* U/ c7 q * 36 - Polarity or Polarizing Voltage Devices
5 `! B4 n/ Z! ?' L* K. a+ o" U * 37 - Undercurrent or Underpower Relay
8 R3 J& C: R) o8 ~ W, M' L * 38 - Bearing Protective Device
' `2 \$ m6 u( [: m% l; q" u9 M * 39 - Mechanical Conduction Monitor
/ s9 y7 {0 d+ D9 D9 B * 40 - Field Relay
F' z4 `5 l5 i. I- k * 41 - Field Circuit Breaker, O8 q' J6 @+ r3 D7 `7 C! b0 E
* 42 - Running Circuit Breaker
+ @( q% g$ c+ _0 s1 o6 d+ y6 T * 43 - Manual Transfer or Selector Device$ L" m/ S5 b9 N: g
* 46 - Reverse-phase or Phase-Balance Relay
$ u# z; s0 q9 s J Y, A* } * 47 - Phase-Sequence Voltage Relay; l" P! K: R8 P2 w
* 48 - Incomplete-Sequence Relay6 c4 S, b* G9 P
* 49 - Machine or Transformer Thermal Relay5 F" S! F$ _; q) p2 \' Y& A3 L
* 50 - Instantaneous Overcurrent
* S9 t8 R- m- j1 I+ Z, \2 A, H * 51 - AC Time Overcurrent Relay5 V! ~& ~& Z; I9 Y# q& z- r6 Q
* 52 - AC Circuit Breaker
* {8 p- H$ B7 s% a- | * 53 - Exciter or DC Generator Relay
7 B" H0 W8 o2 M8 C4 A% `+ s * 54 - High-Speed DC Circuit Breaker* S+ u. X# r; ` W8 W, X( @
* 55 - Power Factor Relay
/ l& _: z% m6 {0 @/ X6 U6 C * 56 - Field Application Relay3 L% |0 a v# \" f+ F
* 59 - Overvoltage Relay: z* u# J m. g. q8 x& A: k+ F! i
* 60 - Voltage or Current Balance Relay
, i& ~: V) s/ t3 A" I * 61 - Machine Split Phase Current Balance
# Q8 b8 x6 `% t2 P( C4 Y, l& h * 62 - Time-Delay Stopping or Opening Relay
" J: y6 U( ?5 P! ~3 p2 z Y3 ^ * 63 - Pressure Switch
, h3 v9 |5 P" [! J* x A * 64 - Ground Detector Relay
+ i5 C; c F/ e X* n * 65 - Governor
7 O) S8 I/ W3 ^% }( g& m$ h6 m8 d" j * 66 - Starts per Hour
3 X* b2 s' r1 L9 j& [$ w * 67 - AC Directional Overcurrent Relay3 A6 N: o/ q- n( @# G& q) k& ^
* 68 - Blocking Relay+ Q' s0 s6 d# B/ r. K" J
* 69 - Permissive Control Device* e1 L- c" ~( g7 c$ C- `4 w
* 71 - Level Switch) z6 R8 ]) L* F2 B
* 72 - DC Circuit Breaker
" S% K1 N% X% D2 X8 S3 Y * 74 - Alarm Relay. y. h0 g% `7 }3 K# y
* 75 - Position Changing Mechanism3 `. X; j e3 B6 s! ~* Q
* 76 - DC Overcurrent Relay
5 K4 l9 c% K# u( A) Y$ j1 e * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
7 k$ A* `4 R/ h4 K * 79 - AC-Reclosing Relay# [6 z; v* c9 y5 F
* 81 - Frequency Relay6 _8 v% @5 l8 h+ b
* 83 - Automatic Selective Control or Transfer Relay
& |, m, |. ~; y- f- k$ m& J8 ^& g * 84 - Operating Mechanism- I0 l. I; p7 a7 W( G% f( {, p0 t6 E. {1 n
* 85 - Carrier or Pilot-Wire Receiver Relay* |( z* e4 u& |! D4 w
* 86 - Lockout Relay; z9 o8 g8 C; \' k
* 87 - Differential Protective Relay
' ]2 A( K. c* p% ~* s' X * 89 - Line Switch
8 J7 u3 B! _4 o9 L * 90 - Regulating Device
7 q5 E n7 _4 v * 91 - Voltage Directional Relay
8 A- U, Y% j. |' d6 @ * 92 - Voltage and Power Directional Relay
* v, ]1 q. P0 H5 q * 94 - Tripping or Trip-Free Relay* P+ \/ c& F! ~# i1 J
* 95 - Reluctance Torque Synchrocheck9 G0 D8 C/ [9 i; a" ~
* 96 - Autoloading Relay |
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