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List of Device Numbers p0 @$ r3 k m- C
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* 1 - Master Element
& b! o! k3 x% }$ o+ s$ C' B * 2 - Time Delay Starting or Closing Relay& p4 m# m3 l9 {/ h
* 3 - Checking or Interlocking Relay. k1 O+ J0 s# q; O/ s" ?4 ]2 G
* 4 - Master Contactor4 p* t* K; A6 m! Y1 D
* 5 - Stopping Device
% k4 E4 Q( Q+ S * 6 - Starting Circuit Breaker
. V1 e* t7 n$ f* b$ ` * 7 - Anode Circuit Breaker. P' a; n8 H2 b2 A1 O% | d* r
* 8 - Control Power Disconnecting Device# n8 {; d1 I# U/ l
* 9 - Reversing Device
$ T9 D+ w' P$ a) }) } * 10 - Unit Sequence Switch
6 k u5 Z/ t6 { G- y$ U% |) j- \ * 12 - Overspeed Device9 i8 L, q9 D1 y, a4 I) V
* 13 - Synchronous-speed Device
+ f" Z; W1 {7 D& o: S * 14 - Underspeed Device
1 {4 J& _/ r) t0 \ * 15 - Speed - or Frequency-Matching Device
( k1 W' W8 S3 o' [# N1 v * 21 - Distance Relay" B: F7 L6 O$ q
* 23 - Temperature Control Device& r0 h7 U- u7 r' Y8 F( R: e
* 25 - Synchronizing or Synchronism-Check Device
6 @ C4 u4 k; u9 U/ i% k% b) g+ K% w * 26 - Apparatus Thermal Device! b# B# f" v3 S3 f2 q7 S0 T* W/ a
* 27 - Undervoltage Relay
% N1 ?: f4 g' s% Z * 29 - Isolating Contactor
% ?- i4 b) J! b5 E5 f% F1 T * 30 - Annunciator Relay& A" q! p# c- W# m9 D# n6 x4 ?
* 32 - Directional Power Relay. U' j. o" i" k" I' i
* 36 - Polarity or Polarizing Voltage Devices
4 D% I( T8 q) Y, C; | * 37 - Undercurrent or Underpower Relay
( W, O5 P8 S) O: U! q5 E" V2 X * 38 - Bearing Protective Device* \) ~2 D* x' S' i3 D
* 39 - Mechanical Conduction Monitor* Y; W' ?0 F ]0 Z, @8 r- l# h
* 40 - Field Relay, `# O. q& f. p8 v) H
* 41 - Field Circuit Breaker R" G7 y1 o" E/ u$ b
* 42 - Running Circuit Breaker
1 O* E; T7 p' {+ _* G * 43 - Manual Transfer or Selector Device
) V @2 b+ J! P: w5 {3 X * 46 - Reverse-phase or Phase-Balance Relay
' w4 F4 O! G. t' L2 u' D * 47 - Phase-Sequence Voltage Relay
8 v, z3 G1 r5 k9 { * 48 - Incomplete-Sequence Relay4 A6 M4 f9 K' ?' \
* 49 - Machine or Transformer Thermal Relay4 b, l6 \' D8 I8 P& \- h0 O" }
* 50 - Instantaneous Overcurrent
8 ^: |# s8 l7 G, z+ @- o * 51 - AC Time Overcurrent Relay( k% ?2 k$ G1 Y* r5 z0 `+ z( M
* 52 - AC Circuit Breaker
) \) ]' G! l0 P% _+ _ * 53 - Exciter or DC Generator Relay' S) X2 N% h8 n" v, D
* 54 - High-Speed DC Circuit Breaker
' W2 G" P; o* D * 55 - Power Factor Relay4 C0 S ~! P( M' f, k
* 56 - Field Application Relay% |- R) b2 @* \" P6 d) v0 v( q. |
* 59 - Overvoltage Relay" A, k" b! G e1 k
* 60 - Voltage or Current Balance Relay
, ~: |, i# b* i0 P; y * 61 - Machine Split Phase Current Balance
, g/ C8 C0 l. Q7 B1 E * 62 - Time-Delay Stopping or Opening Relay
6 U# {# [5 ]' N* f }4 L * 63 - Pressure Switch
: {' E& x. _/ o/ M * 64 - Ground Detector Relay
" J; ^0 p3 {. z * 65 - Governor
Y) t& u6 q2 K+ i) A, e * 66 - Starts per Hour
' O4 {$ h- C2 ^9 g7 [ * 67 - AC Directional Overcurrent Relay
# ?/ b8 e4 }1 ?4 H * 68 - Blocking Relay8 t9 Q& z2 R0 z' m$ h% m: O
* 69 - Permissive Control Device @' m5 \! K8 u$ C9 |
* 71 - Level Switch1 [% g1 a ~' t3 w' w+ q9 T
* 72 - DC Circuit Breaker; [1 H/ L3 E0 e; [0 B+ m1 S
* 74 - Alarm Relay
2 l9 t: y* |5 f5 l * 75 - Position Changing Mechanism
3 W! G( S6 H, @# m+ E) ^ * 76 - DC Overcurrent Relay5 U9 y2 Y4 M& T- d" k8 K9 o
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
4 K- x9 ]1 F& A. i! C" K. R * 79 - AC-Reclosing Relay0 t( a# t% x' \7 S w d
* 81 - Frequency Relay
8 ?- l( ^5 u" p4 o * 83 - Automatic Selective Control or Transfer Relay4 T' \% B' ^8 n9 B6 p9 \
* 84 - Operating Mechanism3 d3 Q) T( |# i" c
* 85 - Carrier or Pilot-Wire Receiver Relay' d _$ Q# u/ O( }; U7 V
* 86 - Lockout Relay! q* d1 T( X$ j. E2 C! B
* 87 - Differential Protective Relay. K; o, g4 ^. m( k& q
* 89 - Line Switch
L: V1 E# N+ X1 ^) Q! ?& ` * 90 - Regulating Device9 o: B" z0 P7 C, S9 {
* 91 - Voltage Directional Relay+ f0 c! x# C, Y- X- z$ `* t
* 92 - Voltage and Power Directional Relay Z" U( u. W6 T" E
* 94 - Tripping or Trip-Free Relay* ^" ~8 z3 w" t. |. ]+ G& z
* 95 - Reluctance Torque Synchrocheck
3 r6 e" d8 G7 N5 j4 q% U# W, W * 96 - Autoloading Relay |
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