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List of Device Numbers9 b$ b1 G5 a3 }" K, o3 P
Click to learn more...6 X# c6 B+ e& z% G. V/ y( G
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* 1 - Master Element. z2 ~2 b" t& W+ C4 ?" o7 F, l- Q# [2 y
* 2 - Time Delay Starting or Closing Relay
1 f3 m8 ~! a: ?. g3 Q * 3 - Checking or Interlocking Relay! ?6 u. ~ X- v0 a+ v
* 4 - Master Contactor
( K5 Q3 D- i: ]$ l6 j8 M9 G * 5 - Stopping Device
, z* z5 W# K" h0 T; J * 6 - Starting Circuit Breaker. l7 a$ [/ F* h3 E& P% ?
* 7 - Anode Circuit Breaker
. b, t! j3 @' ]+ {8 n; B/ q * 8 - Control Power Disconnecting Device0 A* s% y7 z2 G# d2 u
* 9 - Reversing Device" V3 p1 s4 O4 I/ i8 ^, H
* 10 - Unit Sequence Switch- l, N8 a9 {+ N, K1 t3 x
* 12 - Overspeed Device
- o0 k" D+ v" X, W1 _: o * 13 - Synchronous-speed Device! M5 s; u/ x( C* p% X1 U
* 14 - Underspeed Device' n: n& O7 b3 A* y0 _4 a
* 15 - Speed - or Frequency-Matching Device$ S5 |7 P1 z& J: ] l# u' y
* 21 - Distance Relay
5 e S$ ?' E( K* S * 23 - Temperature Control Device) b: o0 x0 u/ B: J: F- J) O5 h
* 25 - Synchronizing or Synchronism-Check Device
/ `$ e5 }2 ?. N7 [% d% { * 26 - Apparatus Thermal Device
8 ~% u# q8 C" x+ ^# z * 27 - Undervoltage Relay
. `( X/ x* j \0 _ * 29 - Isolating Contactor
; T4 {- r* q6 D( f * 30 - Annunciator Relay3 r. E* Y9 U* J+ k) L, }
* 32 - Directional Power Relay( w5 E1 h0 J: M
* 36 - Polarity or Polarizing Voltage Devices
' t: y- e$ b( _/ w/ A * 37 - Undercurrent or Underpower Relay
0 W; b* `9 B9 G! i * 38 - Bearing Protective Device9 ~7 c9 u. X. @+ x/ M, s8 b
* 39 - Mechanical Conduction Monitor
, T4 T! m/ s8 `6 v% L7 \: `: ~ * 40 - Field Relay
# [3 ]0 ?& [% N, O* w& \ * 41 - Field Circuit Breaker9 `+ z1 c" O: T0 e; z0 I% q2 {* e5 K5 M
* 42 - Running Circuit Breaker
" d( e# M! h. H+ P * 43 - Manual Transfer or Selector Device1 G0 y) \) _( \ J
* 46 - Reverse-phase or Phase-Balance Relay$ H+ N( A5 P9 C! e( ]# T0 w m
* 47 - Phase-Sequence Voltage Relay
% |5 S, R7 C0 o" R" F* ~8 J- Q * 48 - Incomplete-Sequence Relay
1 u3 L4 f6 J3 i2 Y3 u& W. { * 49 - Machine or Transformer Thermal Relay
3 n0 i! V2 K% h, a! C! N * 50 - Instantaneous Overcurrent" b/ T+ \* m- e6 d$ u+ T- X. A" y9 Y
* 51 - AC Time Overcurrent Relay
% b; A" D p; I6 x! Y5 A * 52 - AC Circuit Breaker1 d1 d$ R! B6 y& s" |
* 53 - Exciter or DC Generator Relay D( z7 Z+ j2 T$ T+ V
* 54 - High-Speed DC Circuit Breaker
+ F- N# O( r# R. U+ Q * 55 - Power Factor Relay
" Y1 C" N3 S a" D) |" Z9 X * 56 - Field Application Relay
. J9 m8 `! G+ e# @0 j * 59 - Overvoltage Relay
/ }6 ^# k2 @/ U. q; U6 v * 60 - Voltage or Current Balance Relay
4 N. L' D8 r9 y2 x/ I9 [6 u * 61 - Machine Split Phase Current Balance! P: m1 o5 H9 _& k
* 62 - Time-Delay Stopping or Opening Relay
: a- p1 X- B: m$ d9 u4 t# q * 63 - Pressure Switch1 r& p4 k& N, n: K2 E
* 64 - Ground Detector Relay' G8 P% a6 H3 H' j) Z
* 65 - Governor
: Q2 [2 Q- B, [/ |. H * 66 - Starts per Hour
! `! I7 E! x1 [, e * 67 - AC Directional Overcurrent Relay
7 D6 J: i9 G' I9 Z' @4 f * 68 - Blocking Relay0 ?4 J9 p3 b) q% e; [* }
* 69 - Permissive Control Device
! T. u2 x$ F5 j5 ^& F2 x * 71 - Level Switch: `2 f6 d5 G% u- b* x( d/ d; l
* 72 - DC Circuit Breaker
. [- a. c; }+ _8 E8 k2 M6 \/ z * 74 - Alarm Relay- d G9 H+ b3 C4 m
* 75 - Position Changing Mechanism
3 J5 I* c! b9 B; o, ^2 ^* u * 76 - DC Overcurrent Relay$ }3 b4 [0 i u
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay' O) ]( Q; i) e' x- f6 b6 g
* 79 - AC-Reclosing Relay% ^- h' e8 w) I0 x" r2 o
* 81 - Frequency Relay
( Q( W, ]- U7 ?4 x s3 z/ i3 _" _ * 83 - Automatic Selective Control or Transfer Relay' L' ^, ]& p' D; I
* 84 - Operating Mechanism
% e) d3 c+ ?8 \! ]* D2 u7 z0 K$ v * 85 - Carrier or Pilot-Wire Receiver Relay
! c5 Q& w% e9 r. p& ` * 86 - Lockout Relay) r+ }0 Q$ n( b( }/ V5 A. m, B
* 87 - Differential Protective Relay
+ [/ Y" C% U, \' B/ M * 89 - Line Switch# E. n! h9 @7 W8 n
* 90 - Regulating Device7 w U% _ J) x, p) ^$ \
* 91 - Voltage Directional Relay5 H% R/ i5 Z4 a7 F3 R. n- w: ^
* 92 - Voltage and Power Directional Relay
' L7 ?& q* E" I' @ * 94 - Tripping or Trip-Free Relay
0 V' r5 i- P P+ T$ ^+ @: m * 95 - Reluctance Torque Synchrocheck
6 Y. a9 x2 p' ~. p5 t * 96 - Autoloading Relay |
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