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List of Device Numbers
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* 1 - Master Element2 h0 j7 p" }8 D- m1 `1 K/ z J+ F
* 2 - Time Delay Starting or Closing Relay5 r$ }/ r0 Z9 \' \) }( A0 d
* 3 - Checking or Interlocking Relay
7 I: f. r: A1 w8 a* g' T * 4 - Master Contactor
. m1 L5 a& s8 S) ~; e5 `8 R * 5 - Stopping Device' M4 H& K( B5 j
* 6 - Starting Circuit Breaker) u. R# T# e9 `) x6 L7 O
* 7 - Anode Circuit Breaker
2 j0 ~4 V6 k1 O% J a7 |( _6 O+ I * 8 - Control Power Disconnecting Device
" U9 X$ `6 r) o/ t * 9 - Reversing Device
7 |; I( F5 @) m. N* y7 X * 10 - Unit Sequence Switch
l: P" K5 Z. K, o8 V' w * 12 - Overspeed Device
$ j; o% ~" S& f * 13 - Synchronous-speed Device
* ]* F1 r1 Z2 G% _# u$ M1 T, z# { * 14 - Underspeed Device
5 |4 z# P0 p+ ?+ m) u+ i5 A" x. p * 15 - Speed - or Frequency-Matching Device U' g6 y: E, |# o9 E5 f9 S& A
* 21 - Distance Relay
. z+ w+ O. x. c" ?5 S% s3 V( u. S * 23 - Temperature Control Device7 S' F/ h- @( s! v& ?
* 25 - Synchronizing or Synchronism-Check Device( K2 c. R% {8 n7 {; l7 C/ V# \
* 26 - Apparatus Thermal Device* a$ u9 p5 s6 j; ]: x9 i: U
* 27 - Undervoltage Relay
- B- C; I' k, D, V3 N- O * 29 - Isolating Contactor1 G) x0 D* ?- r' X) X, ?
* 30 - Annunciator Relay
1 U. B5 }: X3 t2 d) q: v * 32 - Directional Power Relay& x% [2 W0 ?$ [) N' m1 `
* 36 - Polarity or Polarizing Voltage Devices) l; Z& o! O+ n# Q1 X3 {( v
* 37 - Undercurrent or Underpower Relay: ~ S* I% n( C' y9 d$ U0 {1 V
* 38 - Bearing Protective Device
$ k; B! w/ J7 P0 Q; g * 39 - Mechanical Conduction Monitor
5 k# \5 u4 }" t. \/ I/ X# S5 [. D * 40 - Field Relay& g3 w& y1 v0 Y& l. }9 y
* 41 - Field Circuit Breaker
/ h- p( ]! Z# n* R5 U" U * 42 - Running Circuit Breaker1 `) O* u& \ _
* 43 - Manual Transfer or Selector Device
2 v: K1 o5 G& y * 46 - Reverse-phase or Phase-Balance Relay
! J% H8 v# B1 P( R; Q+ N * 47 - Phase-Sequence Voltage Relay: u- N. S9 }' h h `
* 48 - Incomplete-Sequence Relay
. J# d9 r p& y( ` * 49 - Machine or Transformer Thermal Relay# t* a3 _) U, X2 }" `
* 50 - Instantaneous Overcurrent0 y% J- [1 K4 z5 |) G/ J
* 51 - AC Time Overcurrent Relay
! I! V2 w5 n! I$ `$ x4 Z * 52 - AC Circuit Breaker- k! @! q1 X7 y; f% W
* 53 - Exciter or DC Generator Relay7 H& Y) O7 ~8 V1 ~
* 54 - High-Speed DC Circuit Breaker
( a5 {$ ?& P3 n# w* n * 55 - Power Factor Relay) s9 l1 |, F0 j; ]
* 56 - Field Application Relay
5 k6 C4 S5 Z7 X$ @3 Q4 w/ [0 ~3 U * 59 - Overvoltage Relay
; k6 A7 F% P( s3 R* z. C * 60 - Voltage or Current Balance Relay
4 H, _) E5 [, G& f, [. K' m * 61 - Machine Split Phase Current Balance. {+ r, j6 _& X0 ~' g; [
* 62 - Time-Delay Stopping or Opening Relay1 |6 {! o% T* g, q, s* O1 Y" Q$ M. H
* 63 - Pressure Switch
$ V# G2 O$ t6 \2 g* T* B * 64 - Ground Detector Relay+ N' ^6 E5 Y& q) ?* E3 g# [
* 65 - Governor* m5 |- d7 C. U# z- x/ ^% I3 K F
* 66 - Starts per Hour8 o9 n" H* c( d/ R* F9 h
* 67 - AC Directional Overcurrent Relay7 }3 g) G2 I4 h! ?3 x0 I# x
* 68 - Blocking Relay0 E b, o+ O( t8 v' ~: A; t; w
* 69 - Permissive Control Device1 X( c8 h$ {1 P' g% K0 q
* 71 - Level Switch
: m, `7 |; d# S m; l9 u$ _ * 72 - DC Circuit Breaker
2 P/ ?0 U, W4 x7 b * 74 - Alarm Relay0 F& a. x/ n9 g" \' |, @
* 75 - Position Changing Mechanism9 K+ m- \( U' i% }$ C
* 76 - DC Overcurrent Relay
, p( d- m# A, j5 }& R b# a * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
8 Y) f& a9 ?% `5 q6 P' ^ * 79 - AC-Reclosing Relay5 b8 k$ {. J: J7 |6 c3 Y
* 81 - Frequency Relay
( k/ d2 o2 U+ _. o * 83 - Automatic Selective Control or Transfer Relay
" k6 u% f% ~+ i0 J * 84 - Operating Mechanism
) v) A/ D A/ n+ X @3 d * 85 - Carrier or Pilot-Wire Receiver Relay k# I; H& \! p" u
* 86 - Lockout Relay9 P" |0 `) f( L# T
* 87 - Differential Protective Relay: o" `) l4 d8 u
* 89 - Line Switch
8 o: i& }3 R% B* J: _: J * 90 - Regulating Device
W; e1 r9 z7 i0 I: n- F0 S- N * 91 - Voltage Directional Relay
8 n! I. O8 _; e# }1 N( R * 92 - Voltage and Power Directional Relay0 ?/ r a9 N9 O, w# @
* 94 - Tripping or Trip-Free Relay
2 f2 _& M0 @* v, O * 95 - Reluctance Torque Synchrocheck2 @* j3 C! K. W% }: s
* 96 - Autoloading Relay |
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