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List of Device Numbers& y- q# e7 s: }1 X3 t2 p7 B8 [( |
Click to learn more...6 d$ `; x. Y" I3 i0 K; L4 \
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* 1 - Master Element7 w- m3 o6 Y" {* ] R, t9 T, |! i0 w
* 2 - Time Delay Starting or Closing Relay
' @$ I0 O# z$ C, r6 E7 \ * 3 - Checking or Interlocking Relay% Y1 u, k9 C* g p7 u0 K' u$ E
* 4 - Master Contactor
6 {* @4 }% p& p! m7 T ~ * 5 - Stopping Device( ?7 Y) _+ f! g' t
* 6 - Starting Circuit Breaker
* c' r2 L2 U- s) ~6 c% U2 T3 ]+ a6 a* w * 7 - Anode Circuit Breaker2 ]3 l- C0 p6 w9 j
* 8 - Control Power Disconnecting Device* G5 q0 g. L. K
* 9 - Reversing Device; D- Y2 p( K: p# m) ^6 b5 L
* 10 - Unit Sequence Switch
6 D( S2 p- {' S! M2 A * 12 - Overspeed Device
. N' T4 m8 ?6 s5 | * 13 - Synchronous-speed Device
8 [6 A0 |0 w7 }; f- Z) Q5 W * 14 - Underspeed Device" E- }$ i- \& D: G F) H: J
* 15 - Speed - or Frequency-Matching Device4 i/ E: E. e! h9 T% E( ?* m! Z
* 21 - Distance Relay4 v& O0 z& X3 a/ I0 C$ J1 z1 T
* 23 - Temperature Control Device K2 O$ \7 c; P% D& Y
* 25 - Synchronizing or Synchronism-Check Device' V1 a! j' S+ x' v: P: Y7 m/ q* N2 @$ C
* 26 - Apparatus Thermal Device
9 q9 S D1 w4 @8 `: v( B K5 B * 27 - Undervoltage Relay
2 g$ p/ H5 H5 H6 Y$ j7 I6 |1 L4 w * 29 - Isolating Contactor
; f* n! A* t! s; {+ `8 k* @ * 30 - Annunciator Relay
. J$ N" `' m6 p8 {. M * 32 - Directional Power Relay9 I" \! s$ q: z9 \/ I) \
* 36 - Polarity or Polarizing Voltage Devices' ]6 ?1 m( Q3 k) s- H" h' [& M
* 37 - Undercurrent or Underpower Relay' S9 u6 g! w0 ?- J
* 38 - Bearing Protective Device
% E) C- c) |6 V n% p * 39 - Mechanical Conduction Monitor) [9 j- U+ z2 L
* 40 - Field Relay
/ q$ X# s, I$ [: O; k * 41 - Field Circuit Breaker- B9 k2 X; z+ W) u
* 42 - Running Circuit Breaker
5 u, D: ]9 X8 C+ Y * 43 - Manual Transfer or Selector Device
, v! p) f {1 M; N- c0 f/ J. q$ F * 46 - Reverse-phase or Phase-Balance Relay# j- ^" B$ ^. P4 }7 X; S5 x( [
* 47 - Phase-Sequence Voltage Relay
! X1 o3 o2 y8 h * 48 - Incomplete-Sequence Relay L$ V8 F2 c; z
* 49 - Machine or Transformer Thermal Relay
/ d! n0 r" b- `3 |7 J: Z * 50 - Instantaneous Overcurrent
7 H1 r: Q. u* f! [1 N. h * 51 - AC Time Overcurrent Relay6 l, R. f0 N" d! \
* 52 - AC Circuit Breaker1 M. Z3 q; w& K
* 53 - Exciter or DC Generator Relay$ Y0 }& C" Z4 }; W9 P6 Z; E& B
* 54 - High-Speed DC Circuit Breaker9 f# I: ?5 R' H
* 55 - Power Factor Relay7 a2 O: m2 C8 M8 o% t" q$ G* _* t+ Y
* 56 - Field Application Relay
8 p; j8 M' e+ s4 f( d# O0 R * 59 - Overvoltage Relay% J! {4 R' R! j8 z% s
* 60 - Voltage or Current Balance Relay
! Q) [: ^' r. R- w/ F* ? * 61 - Machine Split Phase Current Balance
9 W, I+ ^/ |9 u- o: d * 62 - Time-Delay Stopping or Opening Relay
7 i7 W. y" r f) t5 W * 63 - Pressure Switch3 e, e! v, d# `
* 64 - Ground Detector Relay6 ^' d$ ^* v3 o) d# X6 B. z5 _* d
* 65 - Governor
/ A ~3 t" Q# C: S$ S * 66 - Starts per Hour: N* j( x7 b5 O& i% K: S3 O0 C
* 67 - AC Directional Overcurrent Relay
% n% o% f( G1 P2 D& S * 68 - Blocking Relay }+ K, n9 C3 z" h+ u( N
* 69 - Permissive Control Device
: Q, U- e! u6 K5 r * 71 - Level Switch
. X T% Y: D K- E5 w! n * 72 - DC Circuit Breaker! u; m1 _" E- C) Q; l) |4 y* N
* 74 - Alarm Relay
3 L7 Z# N5 y/ ~9 K- ?8 _, t * 75 - Position Changing Mechanism
2 j* P" X8 E" v- f( l8 @ * 76 - DC Overcurrent Relay
( z0 t6 Y- O; L. h4 q * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
& e* P3 M# N/ ^5 G" x * 79 - AC-Reclosing Relay2 x0 [' e& u8 c. Z; S: P
* 81 - Frequency Relay
# M) [1 ?- r& u; o1 m1 m) R, L * 83 - Automatic Selective Control or Transfer Relay
/ A# S+ b# t+ l( A4 w: f/ ] * 84 - Operating Mechanism$ I0 T% S# E. R% C5 v f# A
* 85 - Carrier or Pilot-Wire Receiver Relay% X9 `: Q \" A
* 86 - Lockout Relay
$ I5 K# w+ V# l+ W, ]7 F" X" |3 n; l5 n * 87 - Differential Protective Relay- l+ W9 c& o% U( X
* 89 - Line Switch
) `! g; [1 h# j+ | * 90 - Regulating Device
& D& D# Y, |( L' n7 D @4 j * 91 - Voltage Directional Relay7 P, B s* Y! ]/ n
* 92 - Voltage and Power Directional Relay9 C2 V6 W, q# c7 t. r) Z8 M
* 94 - Tripping or Trip-Free Relay
% b6 h1 Q7 f6 u) J; F * 95 - Reluctance Torque Synchrocheck: M6 M) `% u1 v' R: R/ @/ ~3 \
* 96 - Autoloading Relay |
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