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List of Device Numbers
0 S: s$ h1 x7 w+ Y. G1 XClick to learn more...
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, x9 m& `1 ]4 S( s/ b3 E9 U * 1 - Master Element: R; _9 n6 d0 w+ D! Z! |2 r* L8 X
* 2 - Time Delay Starting or Closing Relay% B. Z* k2 A& [
* 3 - Checking or Interlocking Relay
- _3 c _3 L% a5 f( m+ |, x2 `0 C * 4 - Master Contactor/ T6 Y. p( P4 A. E+ o7 y7 I/ z
* 5 - Stopping Device
( t3 D9 Z+ x7 K' G * 6 - Starting Circuit Breaker, Q9 g0 z# P' ~
* 7 - Anode Circuit Breaker+ Z( W1 V( O. P
* 8 - Control Power Disconnecting Device
, x* ~; N8 T4 X' z * 9 - Reversing Device" {1 P7 Z" |/ L3 Y) Z
* 10 - Unit Sequence Switch: z+ v. i" D% \" C
* 12 - Overspeed Device
9 ?5 R7 Q# N1 z; E * 13 - Synchronous-speed Device+ T$ S1 ?/ q/ R( H% {3 a
* 14 - Underspeed Device
( A5 i% v ~+ i& e * 15 - Speed - or Frequency-Matching Device1 A: D, h. _- z, S
* 21 - Distance Relay( t: d( X8 H1 S; [2 `3 ?( a0 M3 O* L
* 23 - Temperature Control Device
1 U7 u3 p# H3 o * 25 - Synchronizing or Synchronism-Check Device' P# F6 I$ p/ u
* 26 - Apparatus Thermal Device
! {3 |+ Q/ @7 J/ ]" T9 v * 27 - Undervoltage Relay
, J V# ~% o5 R. j4 I * 29 - Isolating Contactor
! K8 [0 q* M: N2 i; {' k7 w6 s * 30 - Annunciator Relay- T$ Y) B8 n* r A6 c) X3 M# {; O
* 32 - Directional Power Relay
' U. B7 S! D- Z x# u/ k * 36 - Polarity or Polarizing Voltage Devices
9 V y7 ~% K; V% d% O+ R+ c* A * 37 - Undercurrent or Underpower Relay
& M, R% y8 `: y- | G * 38 - Bearing Protective Device
' t6 k; ^) h7 k# k% u * 39 - Mechanical Conduction Monitor! Y% X3 F! Q K8 [% G9 f+ C; H: \
* 40 - Field Relay
. ~; }# D2 n2 F; {2 H3 v0 @, ^. R * 41 - Field Circuit Breaker8 |& v) r( g6 n, e
* 42 - Running Circuit Breaker
6 V, f. j, F! f: z8 R6 j+ u* M * 43 - Manual Transfer or Selector Device6 @2 {* L' P; M8 B: A! `
* 46 - Reverse-phase or Phase-Balance Relay
) x- |% W/ K* }' ^ * 47 - Phase-Sequence Voltage Relay
4 z4 d3 X: D7 l7 K* w9 f. F * 48 - Incomplete-Sequence Relay: ^9 ?1 V) x* a6 D
* 49 - Machine or Transformer Thermal Relay
! s% _& J5 L8 `, E: P4 Z6 t * 50 - Instantaneous Overcurrent: {) n2 Q, a- [! M
* 51 - AC Time Overcurrent Relay
% h5 G* B- ]" ?7 f * 52 - AC Circuit Breaker
( N' j4 B. M g* g) M3 \* D( I * 53 - Exciter or DC Generator Relay
) g5 _9 o% n. P' a# i4 q * 54 - High-Speed DC Circuit Breaker0 v: s; U! S6 p! u0 y
* 55 - Power Factor Relay& g) a% ]# r. r; U& t! [6 q; q
* 56 - Field Application Relay3 d& {, O& @5 W' Y1 m
* 59 - Overvoltage Relay3 V3 z7 b5 h$ `+ ]6 U Y
* 60 - Voltage or Current Balance Relay* |" Q* V% g+ `0 p$ N7 k
* 61 - Machine Split Phase Current Balance% g7 b3 }0 ]7 P% C8 a- F; @
* 62 - Time-Delay Stopping or Opening Relay0 V+ P( U* i7 ^/ |" G( b
* 63 - Pressure Switch
) \; h( b/ Y0 h8 ?8 G' a" B1 s+ x * 64 - Ground Detector Relay
+ g. b8 q; j( r7 Z u * 65 - Governor
; S* N* V: Z; g+ f/ }- d0 ] * 66 - Starts per Hour5 c U+ s2 x% n; L5 ^2 E, `
* 67 - AC Directional Overcurrent Relay, o& N" b% M1 l p2 a$ C% n5 G6 ]9 ?
* 68 - Blocking Relay) _& Z) x6 ?) n- ?
* 69 - Permissive Control Device$ B% X& o5 l+ _' C% A
* 71 - Level Switch/ h- {+ l$ b" O6 z- W0 t2 ^; w2 P6 W
* 72 - DC Circuit Breaker
- {1 I$ S3 u5 t* C h * 74 - Alarm Relay
6 j) T8 e% ^% q) ]# q6 l * 75 - Position Changing Mechanism
8 o: o6 H3 n! x4 H" T1 g * 76 - DC Overcurrent Relay
% o$ A" c. j; q- W' q * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
" F; X+ ]1 N/ I# \: n' t * 79 - AC-Reclosing Relay
/ r; ?; s; }: y' r- K+ C * 81 - Frequency Relay ~5 X3 o q$ w: N* y- l
* 83 - Automatic Selective Control or Transfer Relay. i+ z; K( a7 \
* 84 - Operating Mechanism
" C0 r6 G4 M; J. |; j! J * 85 - Carrier or Pilot-Wire Receiver Relay, X O4 [) g8 ^, }$ e6 C
* 86 - Lockout Relay
% F% M1 g0 \6 F+ D5 p7 ` * 87 - Differential Protective Relay* j" Q- Z& j( ]* q, K! c: n8 G) l
* 89 - Line Switch1 u# Q: V; Q4 C3 f/ f' p
* 90 - Regulating Device
; }# q3 I* a& q9 t/ L * 91 - Voltage Directional Relay6 o- `8 ~/ ]8 C! B- e2 u
* 92 - Voltage and Power Directional Relay
' p6 ^) c5 ]( D" C' T, p8 V l * 94 - Tripping or Trip-Free Relay
, e& ~; J ]4 i( W' y s * 95 - Reluctance Torque Synchrocheck& ?/ C0 M+ L% W3 a3 C5 u
* 96 - Autoloading Relay |
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