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List of Device Numbers9 h7 Z) D8 U6 j! _3 }2 x# v+ r6 @
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5 H( G- u! C: Q& ]& L& n" F$ S
' | t/ {3 `2 z: r" h+ _2 C$ p: j6 d * 1 - Master Element
3 S( @5 W# R P$ [ * 2 - Time Delay Starting or Closing Relay X j. m& M$ c
* 3 - Checking or Interlocking Relay# f& M$ Q/ G5 H4 F7 P) R
* 4 - Master Contactor% ]1 V: h- n; L9 F" N& U+ B# X
* 5 - Stopping Device
) C e. L8 @6 k4 A% O6 r* L * 6 - Starting Circuit Breaker
+ K8 B5 _1 m& x5 S$ ?) X * 7 - Anode Circuit Breaker2 H' ^! u9 W4 l2 D
* 8 - Control Power Disconnecting Device
* E" k8 l" x, b5 ]1 r7 ~9 A * 9 - Reversing Device) ?3 r- |/ N1 v: H7 D4 ^
* 10 - Unit Sequence Switch
: ?; {2 Y) M s, s& K * 12 - Overspeed Device+ n* [ L2 g% Y2 p4 ~
* 13 - Synchronous-speed Device
2 `9 u) q0 S* j. k% i0 w! l * 14 - Underspeed Device
7 w+ |, r/ a1 M1 W( J6 g0 ^ * 15 - Speed - or Frequency-Matching Device
. W N/ `* x5 a7 a * 21 - Distance Relay
- k5 N% t b7 Q * 23 - Temperature Control Device
2 R% E0 i) ]6 X' y( a" d6 ] * 25 - Synchronizing or Synchronism-Check Device$ d" g3 A# R3 `, ~. ` m
* 26 - Apparatus Thermal Device6 R" j' W2 ?8 O1 e7 m
* 27 - Undervoltage Relay
V6 }8 c7 X- y( X& M! U8 H" w * 29 - Isolating Contactor
" d- I' z3 Y1 d- C m. l * 30 - Annunciator Relay: t, Y. `- ~. }& d$ Z* d
* 32 - Directional Power Relay
5 c& M) c7 V" o* p * 36 - Polarity or Polarizing Voltage Devices
O) j# b4 \6 l * 37 - Undercurrent or Underpower Relay
# T1 U& E! K6 e0 B* K0 V2 U * 38 - Bearing Protective Device3 M0 r, t" L0 n5 {& A+ ], U
* 39 - Mechanical Conduction Monitor
0 Q9 N& x1 U$ F7 m * 40 - Field Relay9 n$ j' Z+ Q. V2 C
* 41 - Field Circuit Breaker
2 S! ?3 m7 F2 N * 42 - Running Circuit Breaker5 q( d/ h/ c* @) t
* 43 - Manual Transfer or Selector Device. r2 X7 r% Z' E" S2 v* V1 r h4 D
* 46 - Reverse-phase or Phase-Balance Relay/ \" U+ h: B- j0 j
* 47 - Phase-Sequence Voltage Relay
* {5 ^" N& W; A * 48 - Incomplete-Sequence Relay
5 C. y' M9 v9 P5 [: y * 49 - Machine or Transformer Thermal Relay" S; K3 i3 k9 y3 D( T
* 50 - Instantaneous Overcurrent
) i2 U/ a* I- U( _1 q * 51 - AC Time Overcurrent Relay$ v H, i& Q: M4 R4 B
* 52 - AC Circuit Breaker
6 ^3 q$ @2 h* E$ j, P" c+ D6 ^ * 53 - Exciter or DC Generator Relay, Y# e8 W8 J' `7 P- O9 D) T( [9 w
* 54 - High-Speed DC Circuit Breaker3 m# f; U$ c& I6 z, l, }1 i7 j9 {
* 55 - Power Factor Relay6 O5 b$ {3 L9 R$ I2 f1 J8 C
* 56 - Field Application Relay# w, ]7 m H4 b5 J8 K
* 59 - Overvoltage Relay
8 T5 `7 y* u; R' n) C8 D * 60 - Voltage or Current Balance Relay
w# i- s g2 @; K9 W. B* L, O3 _ * 61 - Machine Split Phase Current Balance
) i u- _2 a9 e1 D: R+ @ * 62 - Time-Delay Stopping or Opening Relay
5 w* s: b5 X1 d * 63 - Pressure Switch
8 w8 g6 J3 B$ \ * 64 - Ground Detector Relay
' n4 A" B0 O R * 65 - Governor( L Y: s$ n% J
* 66 - Starts per Hour. z' g6 J, G9 W8 t: z# a
* 67 - AC Directional Overcurrent Relay
) c$ V- d. f& ^; K( I2 Q y * 68 - Blocking Relay
* r- j. O7 a7 C4 a9 B2 [! O2 [ * 69 - Permissive Control Device
7 v7 z- e" l: ` * 71 - Level Switch
" f5 ` s9 d3 F! L: | * 72 - DC Circuit Breaker
( E# U0 I X0 _( ? * 74 - Alarm Relay; E. D3 B" H9 x9 u+ X$ m
* 75 - Position Changing Mechanism
+ k5 t6 V; N, ?/ {- z8 r * 76 - DC Overcurrent Relay
$ r, N9 l" A' W& V+ M8 L) Z9 p * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
+ |! n( q! P/ M) J( i6 v * 79 - AC-Reclosing Relay1 {1 ]) f& F# g% j
* 81 - Frequency Relay
8 k0 G* R# d/ }6 z * 83 - Automatic Selective Control or Transfer Relay, w1 C p/ S& X6 a$ f0 y
* 84 - Operating Mechanism
# P( g8 y6 p+ I6 G6 A * 85 - Carrier or Pilot-Wire Receiver Relay0 v% ]$ w6 U8 h& Y
* 86 - Lockout Relay6 _$ m6 }/ I( D1 S
* 87 - Differential Protective Relay
1 H1 N. B+ {: P7 j' Q: F: J4 K9 H * 89 - Line Switch% v4 A& {; L) t+ O( C, O: Z
* 90 - Regulating Device
7 k' o6 o/ c% B * 91 - Voltage Directional Relay
" j% g7 H j* J" g$ w4 D6 G5 ^ * 92 - Voltage and Power Directional Relay
2 O7 h2 M5 ?$ |2 I! C( O0 n * 94 - Tripping or Trip-Free Relay% m& b) T+ L! o6 L/ _+ K4 Q
* 95 - Reluctance Torque Synchrocheck
0 }3 q% F- U, @/ i9 N$ v * 96 - Autoloading Relay |
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