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List of Device Numbers$ E' ^, K/ [# U2 I/ i, Q+ c$ Q
Click to learn more...* P5 B: {$ ` u( D
" O4 i! I* w R2 e& w * 1 - Master Element. } k; a& Q* v- V% Y' Y, g
* 2 - Time Delay Starting or Closing Relay
$ Q( Y, ^* A0 M, G: A * 3 - Checking or Interlocking Relay+ z" E7 N% ]4 Y n
* 4 - Master Contactor
/ B* J% H2 N9 e3 H7 S * 5 - Stopping Device' y. A( j) `9 _3 E- ^. S( C+ A
* 6 - Starting Circuit Breaker `% @; H: ~2 T+ y
* 7 - Anode Circuit Breaker
3 _' s5 {. T+ f. C3 Z * 8 - Control Power Disconnecting Device3 g' G+ t6 k7 e( y# n7 _
* 9 - Reversing Device
! r+ m9 h" L/ Q0 Y) c7 R8 h * 10 - Unit Sequence Switch; J* W/ `0 i) U2 O) H
* 12 - Overspeed Device) G( k; H, }* x$ z
* 13 - Synchronous-speed Device( J0 |1 @9 T7 t( ^* D# T/ s: s* b$ J
* 14 - Underspeed Device
$ @) e4 u' Q, M( [) r * 15 - Speed - or Frequency-Matching Device
5 X/ v5 |: j5 w( G Y, ` * 21 - Distance Relay
0 R1 i7 o+ p% R- j5 x- V * 23 - Temperature Control Device
: s3 m0 Z5 D( z5 d0 M$ m * 25 - Synchronizing or Synchronism-Check Device
- p) l4 r8 ]5 P9 h7 D0 O; ?4 P, ` * 26 - Apparatus Thermal Device3 Z9 o" @ s6 f) R. X- T" j
* 27 - Undervoltage Relay
& G* O( V8 U* P4 o * 29 - Isolating Contactor
: D2 w. j: _2 y' M* x) N* C0 a * 30 - Annunciator Relay
1 Q9 b. X4 z5 G& |( ] * 32 - Directional Power Relay e, i; P2 F9 X2 H5 u9 a* F! U% f6 B
* 36 - Polarity or Polarizing Voltage Devices+ I8 f% I* P' K$ j" c/ m) U5 y0 p. B
* 37 - Undercurrent or Underpower Relay q8 s7 a1 h8 D4 ?
* 38 - Bearing Protective Device k# l) h) g5 b2 l2 @1 d+ e
* 39 - Mechanical Conduction Monitor
* J. f5 J9 K+ {' t6 a3 B2 { * 40 - Field Relay+ W- `, N6 d: _7 w
* 41 - Field Circuit Breaker
8 k% w9 ]9 B8 N j0 v- h * 42 - Running Circuit Breaker% K2 Y& u; s( \
* 43 - Manual Transfer or Selector Device- f3 T5 u9 ?" H( m: i% E
* 46 - Reverse-phase or Phase-Balance Relay
* N. s8 f5 e3 x6 h7 S8 a * 47 - Phase-Sequence Voltage Relay
7 _5 u5 x1 \$ [& C* z' H! w * 48 - Incomplete-Sequence Relay
1 E; D6 k% C( J7 y. ~ * 49 - Machine or Transformer Thermal Relay
! _! ^5 o8 a: g. S! r5 A; A * 50 - Instantaneous Overcurrent4 z! R a# `! P$ x* F$ ], ?, j
* 51 - AC Time Overcurrent Relay- T. J% g# Z; `* x
* 52 - AC Circuit Breaker8 d; R2 T- S" y3 {! f8 [( y0 t
* 53 - Exciter or DC Generator Relay: s" N5 a* m [7 M
* 54 - High-Speed DC Circuit Breaker
2 B# |2 a+ u5 C * 55 - Power Factor Relay
( b9 I% H& o* u' I! X# g: j0 G! e/ m * 56 - Field Application Relay
. |/ c3 X( _- u) x& _8 n * 59 - Overvoltage Relay4 c6 z6 X5 x# L; J; y. c) i2 h e0 M
* 60 - Voltage or Current Balance Relay/ |( E& i v/ q/ E" B: F* |
* 61 - Machine Split Phase Current Balance
0 f K' b" H# P * 62 - Time-Delay Stopping or Opening Relay
0 q$ L" j( K1 T; G2 T) h# ^) {9 N& S( y1 S * 63 - Pressure Switch3 x/ p3 }2 a5 U; u' [2 R* s5 Y
* 64 - Ground Detector Relay
$ N; J5 Z% q/ O2 [, K: | * 65 - Governor; X/ C# A9 w+ u) z5 ?
* 66 - Starts per Hour
" G5 h, `5 l# x8 p' m2 j& D- ^8 C * 67 - AC Directional Overcurrent Relay
5 D7 R& b7 l) L4 V$ o * 68 - Blocking Relay
9 {* ~+ P2 `* f! W9 q4 c( o * 69 - Permissive Control Device) e! k! i7 b9 ?9 N2 H' u& H* s
* 71 - Level Switch
# x* q" Q7 `5 ]7 ` * 72 - DC Circuit Breaker3 m7 P; i7 W' H7 _: }( T
* 74 - Alarm Relay2 Y k: E! _$ }4 W; X8 w4 B' |. K
* 75 - Position Changing Mechanism" q: j Q9 v* Y2 F- Q# g
* 76 - DC Overcurrent Relay
. y7 o5 @! ?/ b( \ * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
' {9 X) w; H, N. Q * 79 - AC-Reclosing Relay
! \# b# G6 s; G8 c" D2 q! B * 81 - Frequency Relay* V1 X; m K! s6 `( U1 ]- K
* 83 - Automatic Selective Control or Transfer Relay4 ~8 a8 \; u3 t- U9 h" q3 n L
* 84 - Operating Mechanism
( | D$ F2 w0 Y$ m3 v4 L$ O i * 85 - Carrier or Pilot-Wire Receiver Relay
% N9 u: Y0 v' v: N, G * 86 - Lockout Relay
1 t. V; O3 ~! i * 87 - Differential Protective Relay4 a6 V9 T* o8 v$ x# N
* 89 - Line Switch, X3 G c* M4 K1 U9 n
* 90 - Regulating Device
6 }$ j! x" j$ c9 O7 R * 91 - Voltage Directional Relay
- B$ x, Y, o) I$ t; c5 ~ * 92 - Voltage and Power Directional Relay; D9 }2 z) P( E3 j0 K# h
* 94 - Tripping or Trip-Free Relay
- e6 v4 M0 u/ g * 95 - Reluctance Torque Synchrocheck
& l9 z w2 u+ f2 k+ \6 u * 96 - Autoloading Relay |
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