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List of Device Numbers e" h8 Y' M" q( H" h; f
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( K. q7 K( k ^3 U( ? * 1 - Master Element
) V4 v- p) D/ Y; i# p" \# i1 h * 2 - Time Delay Starting or Closing Relay0 l: m- Y4 Z6 O1 w6 t* o0 j- H
* 3 - Checking or Interlocking Relay- O% M# q, G& \( F6 j/ E
* 4 - Master Contactor
3 c b5 Q+ t, R. M0 }$ v * 5 - Stopping Device
7 W8 e ~+ U/ X * 6 - Starting Circuit Breaker
" N* Z8 L* C/ G+ p, L9 R6 G * 7 - Anode Circuit Breaker
2 ?1 X6 \; M4 A * 8 - Control Power Disconnecting Device
- g" N% u% q/ C6 f( z$ g * 9 - Reversing Device$ r- T+ O3 z8 P- q6 |
* 10 - Unit Sequence Switch
/ \1 H' Y9 y1 W- g" }, a4 r& Q* [8 G * 12 - Overspeed Device
T* Z! @8 ]) r( U' w * 13 - Synchronous-speed Device
- T" W. u, ?% T3 i * 14 - Underspeed Device
, D- Z2 A& o" X! n0 A * 15 - Speed - or Frequency-Matching Device) i* v+ u# Q; D5 M
* 21 - Distance Relay
5 b/ @$ ?$ e: f * 23 - Temperature Control Device5 F' M6 d6 `7 r2 L$ u
* 25 - Synchronizing or Synchronism-Check Device8 |. @* Q/ J" e' n: F
* 26 - Apparatus Thermal Device
4 Y, m. ?5 Z# p# t6 ^5 S" A * 27 - Undervoltage Relay- B! t' m+ K9 d4 w
* 29 - Isolating Contactor
$ H4 i8 r0 d' l. ?/ z: e3 D * 30 - Annunciator Relay* I7 S" k( \) e0 t# D- z, _
* 32 - Directional Power Relay
- s% \9 O/ p4 y+ s: _/ d * 36 - Polarity or Polarizing Voltage Devices
9 S, O$ z6 a" S' p+ G * 37 - Undercurrent or Underpower Relay6 G3 g+ L2 H' ^$ j" o+ E7 g( ?
* 38 - Bearing Protective Device3 D7 m5 h+ m3 v) P+ w" m
* 39 - Mechanical Conduction Monitor$ R3 m' B" x: m7 e* s+ z( K
* 40 - Field Relay
: y& ?* W! Z- z: f8 B# F6 }4 w * 41 - Field Circuit Breaker
6 z8 t( X! j& ]. l1 h * 42 - Running Circuit Breaker. X3 H4 p5 y; a2 c
* 43 - Manual Transfer or Selector Device9 p) Q. F$ U D+ @
* 46 - Reverse-phase or Phase-Balance Relay
: Q9 j6 s) b2 ~1 t; [6 z * 47 - Phase-Sequence Voltage Relay2 V% t% U3 t* T: M( p% `
* 48 - Incomplete-Sequence Relay3 n" v2 f+ G" }$ K
* 49 - Machine or Transformer Thermal Relay2 w0 U# E ?4 b+ n8 e; R
* 50 - Instantaneous Overcurrent
# v+ p4 W+ S! g7 p * 51 - AC Time Overcurrent Relay8 h& h) E) \' Q! Z% r
* 52 - AC Circuit Breaker
' c$ `2 M, b& _. n" V+ i# A * 53 - Exciter or DC Generator Relay
+ Q; z5 E$ [1 h% g * 54 - High-Speed DC Circuit Breaker/ O" i7 r2 c8 n9 K2 x( ^# F4 U
* 55 - Power Factor Relay; b& h* `% S' C: p8 | _6 u. x- y5 u* B
* 56 - Field Application Relay+ f2 k8 t! N+ }2 G5 y
* 59 - Overvoltage Relay& O; I$ m" l. i$ t( _2 {3 R7 v
* 60 - Voltage or Current Balance Relay
$ p) s6 f: T8 H8 b * 61 - Machine Split Phase Current Balance. e& V; S" J+ B. e* v
* 62 - Time-Delay Stopping or Opening Relay
$ v3 C. l3 U! e- J/ n4 C * 63 - Pressure Switch" h, n* J! s7 \3 R- S/ p; G K
* 64 - Ground Detector Relay; a( _. {" A m$ c7 J/ B
* 65 - Governor: k5 I0 ?4 Q6 u5 L6 J$ M
* 66 - Starts per Hour
) s* |9 P2 }- @# m2 j3 d6 r2 f * 67 - AC Directional Overcurrent Relay
# V9 E E/ c w& g2 [3 q * 68 - Blocking Relay* C0 f& m% X' W
* 69 - Permissive Control Device
, s9 c" l. @8 T# p( t * 71 - Level Switch8 ~; G; k! }# h+ ]8 R
* 72 - DC Circuit Breaker
4 w8 y9 q9 k9 H/ P8 d5 {! L * 74 - Alarm Relay
. K8 N( g! G* _6 B * 75 - Position Changing Mechanism
8 @6 L/ L0 Q6 h# r * 76 - DC Overcurrent Relay
1 h$ p/ \- D% ~ * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay! g9 v! G# B8 u1 q4 D' `" H
* 79 - AC-Reclosing Relay
4 w( R% _" M. b" V7 | * 81 - Frequency Relay7 m$ W) v" _, Q& ?1 g
* 83 - Automatic Selective Control or Transfer Relay* N7 ]: l" F7 b) A
* 84 - Operating Mechanism3 B2 h/ ?+ h3 N& {: p
* 85 - Carrier or Pilot-Wire Receiver Relay* _! h% o1 _ H3 g6 h
* 86 - Lockout Relay. m$ S3 e# h* s ?& J) [( i( a
* 87 - Differential Protective Relay# a# b) k$ y' b) }7 \8 d& H I$ d. \
* 89 - Line Switch# h- k, J3 L- C4 `( }$ e* Y+ |+ [
* 90 - Regulating Device8 F- W4 o; l& N- J/ p1 S: \
* 91 - Voltage Directional Relay
, H7 r, c- a1 _3 o. H; t& F * 92 - Voltage and Power Directional Relay
% ]# G. F% y+ [1 b) u * 94 - Tripping or Trip-Free Relay+ S! j6 o+ j9 w( r) Z# v
* 95 - Reluctance Torque Synchrocheck9 ?0 R) d! y* s. ^, M
* 96 - Autoloading Relay |
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