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List of Device Numbers& I6 P9 S* U: \. c5 |( h, W1 ?
Click to learn more...! x: T% \2 [ x' o& j# o* [7 w
: d# C" V& f3 S+ l! F0 q9 @, i * 1 - Master Element
! b0 c5 l0 z% n) j: Z9 S' i * 2 - Time Delay Starting or Closing Relay0 Q. B4 Q7 e1 {, a5 j" @$ u2 a0 K
* 3 - Checking or Interlocking Relay
: R( K: l3 |7 C. B- A * 4 - Master Contactor* |7 c3 T; E5 W' u: l
* 5 - Stopping Device2 B( v5 U$ K$ F
* 6 - Starting Circuit Breaker$ H. m3 H3 ? A% P6 e% X$ Y6 U
* 7 - Anode Circuit Breaker7 }; N) u: i' n' u
* 8 - Control Power Disconnecting Device) O: O4 H( A" x# M8 P* b, c' [- @
* 9 - Reversing Device
1 v) \6 ^; D2 v* S/ t; | * 10 - Unit Sequence Switch( w: v6 s, |& G+ p. S% D
* 12 - Overspeed Device7 ], O/ {/ O3 ?4 ~8 p) o
* 13 - Synchronous-speed Device
) P& C. m3 O7 ?8 Q; x * 14 - Underspeed Device) K* h `, e5 t2 o1 i: Y
* 15 - Speed - or Frequency-Matching Device1 y) Q, g6 ]& ~" {% ^" r
* 21 - Distance Relay
: W7 i5 v) C( H7 x& ~7 J. f: w8 k * 23 - Temperature Control Device
0 k) A8 [4 A/ U9 W* N * 25 - Synchronizing or Synchronism-Check Device
, [- d# M) g; ^* W. z% L * 26 - Apparatus Thermal Device4 @' {6 j0 `! ?8 \' I7 |$ W& ^# ?
* 27 - Undervoltage Relay1 v% ?, i' ~( b5 C% ]* r
* 29 - Isolating Contactor- O. Z8 u% q9 @* {2 g& V
* 30 - Annunciator Relay; q- U% Y% M: v! b3 s. t
* 32 - Directional Power Relay" `8 w2 j# k9 m5 x$ V
* 36 - Polarity or Polarizing Voltage Devices
p. A" x) [$ ?: `/ [) b * 37 - Undercurrent or Underpower Relay
3 U) O7 _' G0 O, ]/ ^) w * 38 - Bearing Protective Device. K' [$ ~. p3 I
* 39 - Mechanical Conduction Monitor5 B! l* N# v2 r" K
* 40 - Field Relay
$ b, S& f; ]& U- ~0 z! T; N" T * 41 - Field Circuit Breaker
- j6 @+ k, j- ~) M+ K * 42 - Running Circuit Breaker
1 Q8 H6 ?3 i; h$ _0 Z * 43 - Manual Transfer or Selector Device4 M3 d! K" Y. ]
* 46 - Reverse-phase or Phase-Balance Relay4 w* [: O- m- L9 ?; g# v7 J
* 47 - Phase-Sequence Voltage Relay F* E3 m# d9 R& h: B6 J1 w
* 48 - Incomplete-Sequence Relay- t7 `" S3 I: h. D0 M+ A7 _
* 49 - Machine or Transformer Thermal Relay9 M1 i9 o( u. @, g) W1 z0 W
* 50 - Instantaneous Overcurrent; C: J* r2 Y1 X. {5 ]0 E( A. {
* 51 - AC Time Overcurrent Relay
: d9 r- K% v: Z: l5 Z: ^ * 52 - AC Circuit Breaker* o& x* X- o5 i( j+ L/ ~2 C' q! P# i
* 53 - Exciter or DC Generator Relay% ~* \( e5 k$ T9 [
* 54 - High-Speed DC Circuit Breaker; T$ J0 B, {4 O$ a. Z1 T
* 55 - Power Factor Relay
9 L6 o$ |% a8 G J * 56 - Field Application Relay
/ V6 _$ o" w/ P * 59 - Overvoltage Relay6 Q" B% s0 i6 }+ o- o2 c
* 60 - Voltage or Current Balance Relay
5 M' x. r! d) K1 p2 ]; v- ~ * 61 - Machine Split Phase Current Balance
1 r0 x9 n/ T7 H9 ^ * 62 - Time-Delay Stopping or Opening Relay" S) H G- n0 X- I
* 63 - Pressure Switch
' }3 [. l9 V* l0 S0 b' U/ d * 64 - Ground Detector Relay
: `$ c& M( D4 o- Q- | * 65 - Governor* d9 f% l, }' U+ U3 K' V
* 66 - Starts per Hour9 A3 ~- L7 v! q. ^; l m' r
* 67 - AC Directional Overcurrent Relay
+ ]: U! X% d% e * 68 - Blocking Relay
0 k5 `6 F5 b: ~% h* e B& _" L * 69 - Permissive Control Device. V D4 A' E0 T5 h7 c
* 71 - Level Switch
! g9 Y# y1 c. i; K$ ?# T3 J' x * 72 - DC Circuit Breaker
+ M( w( O/ n; x8 M5 ?" N( v * 74 - Alarm Relay
1 `1 y) d. A) O' D2 o! p/ M2 R * 75 - Position Changing Mechanism4 r! ?3 R0 y: A; h
* 76 - DC Overcurrent Relay) r' x! `7 S) ^6 ^6 e3 P$ {
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
9 d" b" Y* o! H * 79 - AC-Reclosing Relay
9 `* b, s# }7 s6 _# ? * 81 - Frequency Relay
$ e. }* a) e- }& l4 P/ }) @( k * 83 - Automatic Selective Control or Transfer Relay, H9 O: q+ m0 I& C5 x6 j) J b3 Y
* 84 - Operating Mechanism0 X: V# ]9 d! S, \+ ]
* 85 - Carrier or Pilot-Wire Receiver Relay' I6 e/ S. e- l p
* 86 - Lockout Relay
3 a% a. K B; \. h * 87 - Differential Protective Relay
4 e+ ]1 {! T* z A1 O9 p * 89 - Line Switch6 ^! r( [7 Z% m" C3 d1 l) h
* 90 - Regulating Device
( |% ?7 `9 h) S. s8 ?# W1 {4 }& _, w * 91 - Voltage Directional Relay
* M" F6 P+ |9 {9 H * 92 - Voltage and Power Directional Relay
5 ]; B& Q/ Y2 W. `. d* a* l * 94 - Tripping or Trip-Free Relay
' B4 K% f9 R/ m6 R. y6 F * 95 - Reluctance Torque Synchrocheck
! u. i+ w) C, X * 96 - Autoloading Relay |
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