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List of Device Numbers) ?* `+ t4 D8 f) C( M) W
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7 a' n9 y5 n {1 ?+ ? c * 1 - Master Element! h, e d- o/ Z' t, _) o9 f
* 2 - Time Delay Starting or Closing Relay
4 R" P4 Y6 J8 k+ @. M& U * 3 - Checking or Interlocking Relay3 t1 @) Q* Z4 y9 K5 w x# s, z) x
* 4 - Master Contactor9 r% k' {0 K! r% B4 b
* 5 - Stopping Device# m. }1 l8 X9 ?# W5 R
* 6 - Starting Circuit Breaker
. V0 z8 Z) ^8 \; }) m- g4 i * 7 - Anode Circuit Breaker9 C' Y4 i/ B6 h5 L8 k4 b/ ?7 H
* 8 - Control Power Disconnecting Device/ V7 @$ S7 q5 Q: E' b
* 9 - Reversing Device
, N4 T& h! {- ^) ^ ^* F2 C * 10 - Unit Sequence Switch H+ o8 G7 n# J3 m# V" }
* 12 - Overspeed Device. N% R& ~: D1 Q, j' h$ ^
* 13 - Synchronous-speed Device
) \3 Q6 N7 Y8 h/ K( L: Y/ U * 14 - Underspeed Device% o0 b. a* \; l6 ]8 X
* 15 - Speed - or Frequency-Matching Device/ t: b" L. E$ U D6 K7 C
* 21 - Distance Relay
3 a: K% N6 |, N { n, Y2 j1 X * 23 - Temperature Control Device
3 O% R# s \* l( b# S6 n * 25 - Synchronizing or Synchronism-Check Device
* w* b1 T& s$ q# B. p0 B" d * 26 - Apparatus Thermal Device
1 l) N5 q9 Y9 ^* `" s+ M- k/ J * 27 - Undervoltage Relay
, {9 }' j( }5 S/ o$ c- u# ~) C * 29 - Isolating Contactor
0 \7 Q2 h, {5 A8 ? * 30 - Annunciator Relay
3 Y& r8 X( [- ^' S * 32 - Directional Power Relay5 z& i, x1 F2 ?1 Y* A
* 36 - Polarity or Polarizing Voltage Devices) F; B; |2 a5 J2 D. T0 D- I& u
* 37 - Undercurrent or Underpower Relay0 M' |7 x( Q7 h5 k
* 38 - Bearing Protective Device, W: m& f" \9 e8 S2 _/ |) K5 v
* 39 - Mechanical Conduction Monitor" K5 O A2 N2 X/ {
* 40 - Field Relay
; m' H# L2 S+ j * 41 - Field Circuit Breaker
7 g& a9 y$ ]& @+ x Z) S * 42 - Running Circuit Breaker2 H/ G5 v/ ?9 a
* 43 - Manual Transfer or Selector Device
4 ~2 ]) f; Y& ? * 46 - Reverse-phase or Phase-Balance Relay
( P0 Z O7 k$ J- w! e6 ^ * 47 - Phase-Sequence Voltage Relay8 X8 @! ?! G9 i+ h; B% j
* 48 - Incomplete-Sequence Relay
f0 d; a5 S$ |/ S3 h9 w * 49 - Machine or Transformer Thermal Relay
$ q$ c" d6 j9 B- q; k% d * 50 - Instantaneous Overcurrent
9 E7 t+ j2 V3 M# ?( l * 51 - AC Time Overcurrent Relay
1 u- V; [1 A0 J9 A * 52 - AC Circuit Breaker. u: Z5 D! {8 {' L9 t7 V
* 53 - Exciter or DC Generator Relay7 [2 {) Q' X) [
* 54 - High-Speed DC Circuit Breaker
0 m! x) a( J! w% p) v6 Y * 55 - Power Factor Relay
7 B J- ?4 g8 E * 56 - Field Application Relay
+ d) @4 W, q$ s* y; b3 b * 59 - Overvoltage Relay
# D6 e/ \1 ^7 K * 60 - Voltage or Current Balance Relay
$ o% r: _9 f0 y9 W * 61 - Machine Split Phase Current Balance
. V) B% y& ^0 k" H6 ?9 b0 O * 62 - Time-Delay Stopping or Opening Relay" {8 I& p. ]* T1 W3 B
* 63 - Pressure Switch: E: h) z' W; O5 k. y
* 64 - Ground Detector Relay/ x. h2 b( Q( J; H
* 65 - Governor! u+ w% @1 ^, S
* 66 - Starts per Hour
# [1 ]# E; M, b/ ^; D5 o1 t, X * 67 - AC Directional Overcurrent Relay" j, V6 ]% ]2 i+ r, `/ [
* 68 - Blocking Relay
1 C, n6 Z* l8 ]( i# w2 Y * 69 - Permissive Control Device
$ P$ `& ]2 |7 g' x# [3 F+ z7 N: d * 71 - Level Switch% `3 s2 b2 n; Z! N' `3 b% {
* 72 - DC Circuit Breaker% }# \% i; X+ B( G$ W( B/ |
* 74 - Alarm Relay
4 [" s% q# o- `1 E * 75 - Position Changing Mechanism
$ H" F3 r w- x. A; n2 b * 76 - DC Overcurrent Relay
- m: X) e. e/ U$ i * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
: X7 O( U; E1 b. E; P2 f4 M * 79 - AC-Reclosing Relay
& I1 U& W( Q0 q V7 M * 81 - Frequency Relay* @& S- o W. V- B# Z
* 83 - Automatic Selective Control or Transfer Relay
+ a$ s" K0 d6 ` * 84 - Operating Mechanism
# s# M8 g! x A& E" i" I * 85 - Carrier or Pilot-Wire Receiver Relay' |% @$ S; Z7 A/ q# A
* 86 - Lockout Relay8 G+ g: \) N B! S5 J9 z7 u
* 87 - Differential Protective Relay
6 s- a. P2 N2 I( ? * 89 - Line Switch
4 A0 V+ F" a7 r' d * 90 - Regulating Device
* x9 x& Z: p0 ~! c& | * 91 - Voltage Directional Relay, a/ w6 Z% }8 I- w8 J
* 92 - Voltage and Power Directional Relay
6 l) @. q! a* ~% e8 E& p$ L7 _ * 94 - Tripping or Trip-Free Relay2 Q B. t( e- l: x
* 95 - Reluctance Torque Synchrocheck
* n4 h3 ^6 r- J2 o * 96 - Autoloading Relay |
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