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List of Device Numbers" V* G) Y: D. i7 n ]3 j; r6 v4 X
Click to learn more...0 R9 `/ R8 D( T! `8 |6 a* o8 @
! T' { C' {6 w- _4 o0 u * 1 - Master Element
( ?, [' n$ Y' h# ~. B2 u* Y' q7 T * 2 - Time Delay Starting or Closing Relay H n- }0 @' a
* 3 - Checking or Interlocking Relay8 t, Q. o' f0 |: K/ o6 E
* 4 - Master Contactor
# K; \ _5 f' `4 P * 5 - Stopping Device
3 `2 S7 d1 P3 S% a i * 6 - Starting Circuit Breaker! U( n& E. d# ]. ]/ n
* 7 - Anode Circuit Breaker3 J! j% @8 q. ?5 n g% X. r. w
* 8 - Control Power Disconnecting Device) n6 J7 t) A1 M' z8 J$ Y6 w
* 9 - Reversing Device
" f2 I; t! Q" x. x) F, C/ I! c * 10 - Unit Sequence Switch
* Y# g! A9 R, n# t9 O * 12 - Overspeed Device$ {) I' Y! M, l- |$ x9 h
* 13 - Synchronous-speed Device. e5 {7 J+ Z! V# w, J; G
* 14 - Underspeed Device
. G9 G% H* O' C6 W7 \/ Y * 15 - Speed - or Frequency-Matching Device
/ A D/ |2 o% R# ?; `: C * 21 - Distance Relay. `. }; d) a' ?- p
* 23 - Temperature Control Device
+ L# z# b. t% C' g/ ]& H' e/ B * 25 - Synchronizing or Synchronism-Check Device& W5 d6 R2 y( c/ i% D
* 26 - Apparatus Thermal Device
, B9 `9 b$ s& N2 S * 27 - Undervoltage Relay
: o! s6 R) j! d' y+ X7 `1 T * 29 - Isolating Contactor
. K! U, V* A, N. F+ S7 l/ ^ * 30 - Annunciator Relay/ a% e# \' T/ s+ D, X* a# d
* 32 - Directional Power Relay0 N. Y" v, Q/ Y. N* F
* 36 - Polarity or Polarizing Voltage Devices
& T) [' D$ U" b3 i) l$ S * 37 - Undercurrent or Underpower Relay7 t! u, K3 F8 f& [3 ]
* 38 - Bearing Protective Device1 S4 k* X5 {, Q8 |
* 39 - Mechanical Conduction Monitor" M( _+ v. F& b' w0 P
* 40 - Field Relay
* [& O5 m0 ]5 o8 h0 [- O * 41 - Field Circuit Breaker8 _, e* C/ E: c, R
* 42 - Running Circuit Breaker
; D) X) Q2 [ a+ V* V1 U * 43 - Manual Transfer or Selector Device/ V) r8 q7 D1 q4 I1 ~
* 46 - Reverse-phase or Phase-Balance Relay
. r ~8 c5 g. L * 47 - Phase-Sequence Voltage Relay
! r" Q1 N6 N* O- F7 x * 48 - Incomplete-Sequence Relay2 K& G! k* W8 E" E9 m2 L
* 49 - Machine or Transformer Thermal Relay
: I) g' n4 v% f; w# v, i- M * 50 - Instantaneous Overcurrent
7 J& N4 c4 C& a' ?5 r& v9 k. k& B- y+ h * 51 - AC Time Overcurrent Relay
* a' [+ ~+ E! p; t: s+ W * 52 - AC Circuit Breaker2 s% E$ n& Q0 }/ ]5 }( `0 f
* 53 - Exciter or DC Generator Relay- o6 p j" d) g2 ~& h
* 54 - High-Speed DC Circuit Breaker
4 w% |/ f* ]; C" X; ` * 55 - Power Factor Relay
/ M6 H( y( G# N0 ^) Y- ~7 l * 56 - Field Application Relay3 ^! L% Y& M5 @3 H. s- z) _$ q
* 59 - Overvoltage Relay
3 d* M3 |6 K/ b* K4 i3 z3 } * 60 - Voltage or Current Balance Relay9 D4 U+ z- ]% C' X6 S2 S2 e" y: o% a
* 61 - Machine Split Phase Current Balance
- v( d* }3 ]- V& e$ G0 x ~ * 62 - Time-Delay Stopping or Opening Relay
$ C: t! B3 c, N/ D * 63 - Pressure Switch
% I) M3 H' ~) K * 64 - Ground Detector Relay6 U+ F, b2 x& u" c2 X. A/ `
* 65 - Governor9 D) i: H) Q1 W3 E: B3 P2 V
* 66 - Starts per Hour
* z; `5 A- C. u1 B2 R2 I1 L * 67 - AC Directional Overcurrent Relay
! q9 M; u# }) Y7 e% h! ]- K * 68 - Blocking Relay# I8 E$ j% }. x# x( r
* 69 - Permissive Control Device2 _% T8 U) _4 \/ q0 N( @. Q0 i
* 71 - Level Switch
. [, W- {! i( F( O& Z; G * 72 - DC Circuit Breaker
% V% U2 W" Z. r * 74 - Alarm Relay$ Y& i7 I/ p% L* L) Z
* 75 - Position Changing Mechanism& j8 Y" _' P4 r5 _1 W" d7 W5 x
* 76 - DC Overcurrent Relay
, ]+ P% O9 @( W7 p5 @: [; c * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay1 _2 M" \& _# Q/ T. {/ H/ N
* 79 - AC-Reclosing Relay
' T0 U9 b$ }( `# l! U4 D- s * 81 - Frequency Relay
- O2 ?+ b! p* v4 I8 Y1 b * 83 - Automatic Selective Control or Transfer Relay
9 i* }1 K8 g2 G9 s" {" M0 o * 84 - Operating Mechanism% T! P6 f# N1 T$ P/ g3 F* G ]8 V
* 85 - Carrier or Pilot-Wire Receiver Relay/ Y9 h9 |; e) @; m$ F7 y* ]4 ?. S
* 86 - Lockout Relay" y8 r1 F1 e# L( V( F/ R
* 87 - Differential Protective Relay' d6 Y* l* U0 S8 f1 Y- K% {
* 89 - Line Switch; L% `% a- p$ a: b, y2 ]+ d7 V
* 90 - Regulating Device# L9 i# A0 Q2 W7 K: p8 P
* 91 - Voltage Directional Relay- f5 o+ o# @0 I, J
* 92 - Voltage and Power Directional Relay
% t0 L; [' ]! ]+ K/ w * 94 - Tripping or Trip-Free Relay- `1 K1 T: t1 O& a. D
* 95 - Reluctance Torque Synchrocheck% w D T; m$ K' V
* 96 - Autoloading Relay |
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