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List of Device Numbers1 a7 X+ g0 v9 N/ d7 t6 w
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* 1 - Master Element0 ]* [) f3 x; r" R7 o0 \. v
* 2 - Time Delay Starting or Closing Relay
# w! U% o; t2 v * 3 - Checking or Interlocking Relay
2 u9 h0 Y' U1 a3 |6 K( K * 4 - Master Contactor7 a) d Y, H3 F# G+ d! D* I
* 5 - Stopping Device
* ^* B3 z V2 l) } * 6 - Starting Circuit Breaker( C* b# M& T Q7 L% n, ?1 Q
* 7 - Anode Circuit Breaker7 i8 t8 s8 ^% w$ @8 M6 K, i
* 8 - Control Power Disconnecting Device
& D% I1 O. @0 d6 t * 9 - Reversing Device2 }4 c' a* O* E+ X
* 10 - Unit Sequence Switch
' L! y7 M) {6 q" x * 12 - Overspeed Device4 W" a4 W( d6 H/ y, D+ W5 ^! O) W
* 13 - Synchronous-speed Device: b/ T4 t4 ?- B3 X0 p- }" {
* 14 - Underspeed Device
$ E" c8 B/ W* `$ ^; u * 15 - Speed - or Frequency-Matching Device9 X. V/ r0 [( ^/ w' M
* 21 - Distance Relay4 E( }9 m. [, [4 E8 w
* 23 - Temperature Control Device
& H A0 ?) A1 T9 ?3 ? * 25 - Synchronizing or Synchronism-Check Device" M9 T, ]* M: Y9 @+ F9 e* Q% ]
* 26 - Apparatus Thermal Device
1 q( D. z2 J3 T( D * 27 - Undervoltage Relay
9 I$ @: n k$ [! i; o' [% ^) g( k* Y * 29 - Isolating Contactor4 @, r. e# |) o
* 30 - Annunciator Relay
4 p# b1 \: O; P2 C# P * 32 - Directional Power Relay/ L6 q( ?+ R, x+ p" J- i# ?
* 36 - Polarity or Polarizing Voltage Devices: v' |- [! P5 E5 V
* 37 - Undercurrent or Underpower Relay
) F. e: U; L5 Y- m+ q * 38 - Bearing Protective Device; G1 ~5 L2 Q5 T: r, z3 I* }' m
* 39 - Mechanical Conduction Monitor+ j+ L2 Y/ J, v; ~
* 40 - Field Relay
3 D# ], A9 {- [6 c, { * 41 - Field Circuit Breaker/ S% o0 s5 {: _
* 42 - Running Circuit Breaker
F! @6 J1 x0 S4 { x, M4 ] * 43 - Manual Transfer or Selector Device
# o0 x2 m& q O" Z2 g * 46 - Reverse-phase or Phase-Balance Relay% L5 j$ l/ j' F; u4 X
* 47 - Phase-Sequence Voltage Relay
5 ~) }0 O# L# H6 T( e, C# ^; ~8 f * 48 - Incomplete-Sequence Relay
) {# @( I" @0 J; n/ ` * 49 - Machine or Transformer Thermal Relay/ u+ u; q2 x" R# W, ]& [4 x
* 50 - Instantaneous Overcurrent
; m1 e7 O( U% y) r * 51 - AC Time Overcurrent Relay7 J0 V' O1 c4 Y- Y# J: x. C1 E
* 52 - AC Circuit Breaker) E6 x7 l; `. w
* 53 - Exciter or DC Generator Relay4 ~8 a/ [- A8 g: U, b0 r& o
* 54 - High-Speed DC Circuit Breaker" w2 ~ n1 x: J- _+ E
* 55 - Power Factor Relay% Z. E: a3 ]( _4 r* S6 j, n
* 56 - Field Application Relay& B1 ?, m4 K ]( c1 r0 X
* 59 - Overvoltage Relay) O! B# O e0 ?) J) ]. n9 \6 ~' H: w
* 60 - Voltage or Current Balance Relay
( \! L' E- A# E * 61 - Machine Split Phase Current Balance
6 s% }5 C |4 I' I * 62 - Time-Delay Stopping or Opening Relay
) N; P) n4 L4 \+ T6 F4 L3 Y' R * 63 - Pressure Switch( D, {1 M9 V6 L0 E
* 64 - Ground Detector Relay
' l! L' Y1 B9 k% n& S1 D * 65 - Governor
: Y5 |' `" f P0 U9 | * 66 - Starts per Hour
* G. V- L, I: i2 R% z) U7 D9 ] * 67 - AC Directional Overcurrent Relay8 t- p0 o6 K' G; j* j. I* i. J
* 68 - Blocking Relay
" v( n$ U1 ~$ O2 Z. f * 69 - Permissive Control Device
7 ?7 t/ L$ ]- L3 ]7 }) [8 d" x * 71 - Level Switch& D0 J# m3 y2 S. F$ E: [' B; G
* 72 - DC Circuit Breaker' X0 f% t1 M; S4 p0 ^; F4 [* {
* 74 - Alarm Relay$ I' E: H: V( v/ l
* 75 - Position Changing Mechanism
. p' Z& r7 G! Y" ^, v$ p" H * 76 - DC Overcurrent Relay- d& G: M4 p6 R) S- Z
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
- q8 G+ t T. @2 h0 j# f4 H' Y/ ] * 79 - AC-Reclosing Relay
, k0 y* j! e' [3 G0 r% F% k * 81 - Frequency Relay1 L# b+ ] o0 ~+ X6 k' i
* 83 - Automatic Selective Control or Transfer Relay3 h( Q" p$ K G$ i8 ^" B
* 84 - Operating Mechanism: r" {" K F* u& `
* 85 - Carrier or Pilot-Wire Receiver Relay
. \5 l3 \9 ~/ r% A8 L. C# o- r5 U * 86 - Lockout Relay
6 x. G- x, x5 W9 X * 87 - Differential Protective Relay
" X# w& a4 [3 l. D6 n * 89 - Line Switch
( C) J2 |3 U, U * 90 - Regulating Device# A( b) p$ s1 X* C2 [8 {# {
* 91 - Voltage Directional Relay
$ X( a. s6 V# e2 H * 92 - Voltage and Power Directional Relay
+ E) D- f' v8 c* D f * 94 - Tripping or Trip-Free Relay
1 {0 Y. w6 I8 e( m T2 ^. V4 Z * 95 - Reluctance Torque Synchrocheck2 i2 I2 {/ U% h# Q r4 h w6 @
* 96 - Autoloading Relay |
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