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List of Device Numbers
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* 1 - Master Element7 G K: d: W2 J, q1 X
* 2 - Time Delay Starting or Closing Relay
6 ]& ~5 _' K2 x4 t0 j& [9 ?- h * 3 - Checking or Interlocking Relay
; F/ O4 a7 x! x5 I * 4 - Master Contactor) _+ ^# m- R/ h
* 5 - Stopping Device
, l/ r' L$ b: H7 w9 J/ o* n0 A * 6 - Starting Circuit Breaker
9 l' p1 P/ v' }9 R * 7 - Anode Circuit Breaker
7 X5 I' e/ ~& V( H! F- b6 ^ * 8 - Control Power Disconnecting Device: |! G8 W T% _3 w$ M( X' G
* 9 - Reversing Device
! Q" q1 c& P. w. n! e( q& o * 10 - Unit Sequence Switch
1 |8 f7 F& s1 Z * 12 - Overspeed Device
2 a6 ^& c, R* J; B! x * 13 - Synchronous-speed Device- m/ {* B F8 Q/ T& ?' [
* 14 - Underspeed Device
+ U; u+ y Z9 y) ?7 Y * 15 - Speed - or Frequency-Matching Device
- c7 t3 ]* T L' S, s' Z, Y * 21 - Distance Relay- X& P$ e) M/ T5 P. O7 a2 n% Z' {
* 23 - Temperature Control Device8 f) \: F* L: j
* 25 - Synchronizing or Synchronism-Check Device
2 e# ?$ t9 K' h/ p! Z! m * 26 - Apparatus Thermal Device/ M; W8 Y4 k7 ~$ e; V
* 27 - Undervoltage Relay9 |" W+ C+ S3 V. H) A
* 29 - Isolating Contactor- r( J$ d. p# Q& M1 M9 l, Y
* 30 - Annunciator Relay# r( k5 G$ F1 ^7 w$ w. h( w
* 32 - Directional Power Relay
# S0 r" E7 ]* N/ S" ?* Y * 36 - Polarity or Polarizing Voltage Devices
- Y: g1 _' C0 c) u * 37 - Undercurrent or Underpower Relay
o/ @3 ~* J/ c7 I$ d * 38 - Bearing Protective Device& y8 g+ f! u! W: ^; S
* 39 - Mechanical Conduction Monitor
6 i; \- H1 n& C$ y+ x. y+ F * 40 - Field Relay5 T0 R, @. O( N; K
* 41 - Field Circuit Breaker
5 L0 v. y! L+ O * 42 - Running Circuit Breaker& t9 S* R' c4 }0 ` I3 ~0 f* _8 r
* 43 - Manual Transfer or Selector Device; B$ \1 l: B9 q, @$ G- r7 \
* 46 - Reverse-phase or Phase-Balance Relay
+ H( j# }5 @- u& n+ ^" @, q* g4 p * 47 - Phase-Sequence Voltage Relay
) M) }8 u2 Y. l- P( S * 48 - Incomplete-Sequence Relay
! X( M @6 X! Z, l! D, w * 49 - Machine or Transformer Thermal Relay
8 L; X9 l8 r) _: ^, |! K% k, A/ ^ * 50 - Instantaneous Overcurrent1 L' E+ z. A2 ?( O, U/ I1 j& U7 t
* 51 - AC Time Overcurrent Relay
* L3 E8 k$ h% E& F5 L * 52 - AC Circuit Breaker
# W5 [# H7 m7 Z* v! s * 53 - Exciter or DC Generator Relay
& ^! Y ] d( F1 ^5 i' X * 54 - High-Speed DC Circuit Breaker8 g4 d7 n" U* V3 w- i+ E
* 55 - Power Factor Relay
. I% e3 ]: ^% ?7 F4 c * 56 - Field Application Relay
& q, D6 m7 K" b& D' r0 c * 59 - Overvoltage Relay- \$ \7 j! ~5 c
* 60 - Voltage or Current Balance Relay
1 P- }. a' d- U" Q/ r * 61 - Machine Split Phase Current Balance4 n+ q9 k/ B2 C# `5 t5 ^
* 62 - Time-Delay Stopping or Opening Relay+ x/ N! V- p) ]- G8 m% A+ G3 {* w4 r
* 63 - Pressure Switch/ f( L$ P% u& T0 G% L8 H. ]
* 64 - Ground Detector Relay- X, ~! u6 w" u
* 65 - Governor
9 b0 t: Z& r6 I: h3 P/ \$ T$ S * 66 - Starts per Hour
0 s) B6 j) O+ ?* Y/ g* k * 67 - AC Directional Overcurrent Relay; r7 S" E$ V# o! c( j7 ^% }
* 68 - Blocking Relay
4 n5 l2 E4 p% w- A- L * 69 - Permissive Control Device
8 Y2 `7 z( d; B8 A0 r! m/ L* t* f * 71 - Level Switch
2 H* n- y$ X) f6 s' E+ Y; J' @4 v * 72 - DC Circuit Breaker
K1 r4 C3 i% Z5 _. q H& [ * 74 - Alarm Relay
0 j6 i) K* q& K: w * 75 - Position Changing Mechanism: O$ j: |* G5 {* z4 L
* 76 - DC Overcurrent Relay
; O" ~7 L- l1 ^) N" A! s p * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
. G4 B# z6 u4 ], n4 U. W * 79 - AC-Reclosing Relay7 s' y& K. j/ B: M9 k
* 81 - Frequency Relay8 O! R; _, h( _
* 83 - Automatic Selective Control or Transfer Relay
/ f) @; x0 l* h. }% o+ X' R * 84 - Operating Mechanism, Y8 |. F9 F5 z0 l8 N# U* W, h
* 85 - Carrier or Pilot-Wire Receiver Relay
8 A$ S' Q; J' P- C( D! a * 86 - Lockout Relay+ M' `& T7 r \0 ^/ u$ @4 w; A" l# `
* 87 - Differential Protective Relay
z& H& J. ?+ j7 I# i1 d Q * 89 - Line Switch2 _% H) @% K: y$ |
* 90 - Regulating Device
" O+ J& ~4 [" ?% x& z * 91 - Voltage Directional Relay
! c( ?& Q1 }% Y * 92 - Voltage and Power Directional Relay
3 K9 D' v( G- u+ t * 94 - Tripping or Trip-Free Relay
3 D" S! ^! N3 s0 q3 G$ [ * 95 - Reluctance Torque Synchrocheck" n$ g8 A2 m7 V, G1 V, E: s$ [
* 96 - Autoloading Relay |
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