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List of Device Numbers
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8 ~2 q- _% V4 Z8 D! f. M * 1 - Master Element
9 ?; Y+ Y! h7 m8 r: C * 2 - Time Delay Starting or Closing Relay' s" Z" x4 n0 H! \
* 3 - Checking or Interlocking Relay
6 b% |$ r, ?* L9 \# R+ r7 R" B * 4 - Master Contactor4 | l! }. [ G
* 5 - Stopping Device
. o) ~; b% q6 z* t. M * 6 - Starting Circuit Breaker/ ? C! Q* \* w: \8 v
* 7 - Anode Circuit Breaker- K* Z) E1 I$ H1 N3 m
* 8 - Control Power Disconnecting Device" O4 C0 E- H. w, Z0 f+ J
* 9 - Reversing Device
7 Y1 r' ~, D1 C& ^" A2 Q * 10 - Unit Sequence Switch: ]- S: G+ n; f7 n. k) W$ Q
* 12 - Overspeed Device
+ N- P3 B a5 H * 13 - Synchronous-speed Device
1 J; e+ w6 ^# [' ]- {& i% ^ * 14 - Underspeed Device4 |7 H1 _( r: B: L
* 15 - Speed - or Frequency-Matching Device3 j; H) H8 W& E9 y: b5 r. ~
* 21 - Distance Relay/ G' T9 `/ N3 b2 J
* 23 - Temperature Control Device
/ g1 U" G7 b9 r/ \$ d# g7 m7 B * 25 - Synchronizing or Synchronism-Check Device
4 g- L4 N% @; T5 X. D * 26 - Apparatus Thermal Device
2 _' ^. G: D, n9 ?# l2 V* u * 27 - Undervoltage Relay* j( a1 Y6 r' O/ U6 R1 n: a
* 29 - Isolating Contactor
$ h3 Y5 S5 z2 J' W8 z: r" ^' g) S * 30 - Annunciator Relay' @( X+ _3 ~9 u9 ~: P
* 32 - Directional Power Relay$ L2 ^) E$ s" i5 x+ D: W
* 36 - Polarity or Polarizing Voltage Devices5 ~& f+ s j& h/ L+ l
* 37 - Undercurrent or Underpower Relay/ V* f Y( e) b- h6 g- c
* 38 - Bearing Protective Device
# J z, I1 z+ X$ k. j * 39 - Mechanical Conduction Monitor
4 ^4 O# \! ?% g, C& f( } * 40 - Field Relay
* r/ L% O. b' T' g0 s * 41 - Field Circuit Breaker
8 j$ A0 r5 z4 J; o; f& P( u( E4 C * 42 - Running Circuit Breaker6 ~& ^& m- d M# U4 k# w
* 43 - Manual Transfer or Selector Device
. T5 _- _7 X: W" Y( } * 46 - Reverse-phase or Phase-Balance Relay
6 s$ ^+ N: j$ T$ G' X * 47 - Phase-Sequence Voltage Relay4 j3 B7 {/ i8 R! T- ]
* 48 - Incomplete-Sequence Relay
' t7 m) [0 @8 K# Y * 49 - Machine or Transformer Thermal Relay
& |' [2 U: F( W4 X * 50 - Instantaneous Overcurrent; h) |, V& _8 _. B& F
* 51 - AC Time Overcurrent Relay4 w& u# [/ v" `7 v" I
* 52 - AC Circuit Breaker
9 a0 P+ {+ ^9 I# V Q * 53 - Exciter or DC Generator Relay# _' `8 @6 I0 X9 {! c0 D, N, V
* 54 - High-Speed DC Circuit Breaker; G4 j: d+ o+ h0 Q5 K) r
* 55 - Power Factor Relay
0 b+ O: f6 U! c * 56 - Field Application Relay. N7 K2 H! J# r6 a" G
* 59 - Overvoltage Relay, Q5 V. {, N* c1 g+ {- G1 r
* 60 - Voltage or Current Balance Relay) X2 Y6 W7 U1 F( x) S' ~5 }
* 61 - Machine Split Phase Current Balance$ @ d* z$ `& r/ |
* 62 - Time-Delay Stopping or Opening Relay8 l7 C5 q3 O, }) u' H
* 63 - Pressure Switch0 V% q- ?2 ^" Q6 S1 U* J1 o6 f
* 64 - Ground Detector Relay
6 K0 J* o, d% x) i# L * 65 - Governor
# B U {/ n; g% a * 66 - Starts per Hour) `! [5 Y1 z/ N, S
* 67 - AC Directional Overcurrent Relay" h( k+ t( j' p
* 68 - Blocking Relay! h' ]1 m/ N. A( A4 J5 j
* 69 - Permissive Control Device
0 j4 F# j8 s' S% V: H * 71 - Level Switch, N2 n& w' U! ^/ g& P% ^! e! k
* 72 - DC Circuit Breaker- d5 Z1 K [2 h
* 74 - Alarm Relay
9 d$ M( D- H4 {8 M6 m" T * 75 - Position Changing Mechanism
6 d* W0 l; P) N * 76 - DC Overcurrent Relay0 F/ k; {, P6 Z9 e) w @
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
3 C0 M0 J/ d6 Y3 X * 79 - AC-Reclosing Relay& d0 }; V1 D( {1 o1 V2 M9 z
* 81 - Frequency Relay
8 E7 n3 X2 ?+ f/ m- } * 83 - Automatic Selective Control or Transfer Relay
; D) I4 f, r& i * 84 - Operating Mechanism
$ G& j6 Y" L0 \: w' F * 85 - Carrier or Pilot-Wire Receiver Relay
8 G7 R U0 T6 ?& d; N * 86 - Lockout Relay, W8 H3 I b. N0 M6 C7 [" m- c
* 87 - Differential Protective Relay
0 f: c0 @) F" O * 89 - Line Switch
' Y9 O# `' F: u6 d s * 90 - Regulating Device0 v" q% R, C1 K2 D4 A' a3 @
* 91 - Voltage Directional Relay1 L6 @8 C x, L& z% W4 q. n6 X
* 92 - Voltage and Power Directional Relay/ g) {$ @ e5 s: ~$ K
* 94 - Tripping or Trip-Free Relay
9 j K' ^+ g( t9 h% q6 e * 95 - Reluctance Torque Synchrocheck3 k1 U6 m8 r5 k/ b* E& u
* 96 - Autoloading Relay |
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