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List of Device Numbers
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* 1 - Master Element
! Z: }' L! E4 A2 f) j * 2 - Time Delay Starting or Closing Relay
3 w6 U" R! q8 k: S * 3 - Checking or Interlocking Relay8 d6 E$ @, D* @
* 4 - Master Contactor
2 F! D# y+ n6 Y& ?3 E( T * 5 - Stopping Device' ^, L* W: u- f% a ~+ R4 [
* 6 - Starting Circuit Breaker
/ N+ x9 h: @7 J O/ v * 7 - Anode Circuit Breaker
* I% i# g8 h% f, o% ?0 h' R * 8 - Control Power Disconnecting Device8 R5 ] y# j" X$ w3 c- f: [1 i
* 9 - Reversing Device
+ c J1 S( w. H8 O0 u9 @9 Q * 10 - Unit Sequence Switch1 [7 c9 v* }" Y- L' X2 P
* 12 - Overspeed Device& m3 K6 p3 z* h
* 13 - Synchronous-speed Device
5 M W7 b$ M3 a2 ^1 _/ u * 14 - Underspeed Device
$ x. V# P2 I0 B1 q* M+ A+ ?& y * 15 - Speed - or Frequency-Matching Device' J: D+ x& {. E0 `2 O: W/ ~
* 21 - Distance Relay) |" J. A( Y4 p7 ^( }
* 23 - Temperature Control Device
; C( }# Y+ J5 L( s/ O9 U( @ * 25 - Synchronizing or Synchronism-Check Device% @* t }6 S, u7 c& e
* 26 - Apparatus Thermal Device) j( n$ ^- G: g5 M! k/ i, W I
* 27 - Undervoltage Relay
. K* t9 S. G& V/ F! O% [7 X * 29 - Isolating Contactor6 |- K# R3 K* @& u: t1 V% Q
* 30 - Annunciator Relay+ W+ e4 `; q! _4 `6 X6 B) c
* 32 - Directional Power Relay
2 n% D" ~$ L5 g * 36 - Polarity or Polarizing Voltage Devices
6 Z) Q9 u1 `8 p/ z1 d K * 37 - Undercurrent or Underpower Relay
: q m; W9 ]$ Q4 u `) Z, G * 38 - Bearing Protective Device' c8 i! Q- Y' z% }5 Q, ^
* 39 - Mechanical Conduction Monitor4 i: X) A4 C- v8 n; s8 L& F4 b9 v
* 40 - Field Relay
y6 T( ]* z3 q# b& s * 41 - Field Circuit Breaker
( e& C3 ?7 S8 M$ R# e * 42 - Running Circuit Breaker3 z; X1 H8 j- L; S' k
* 43 - Manual Transfer or Selector Device; V6 p# G. _! B% Y" K* K2 C
* 46 - Reverse-phase or Phase-Balance Relay+ a3 ~7 |6 P( A
* 47 - Phase-Sequence Voltage Relay: }6 f- P, z3 j& {
* 48 - Incomplete-Sequence Relay% y, I' o5 |' ?
* 49 - Machine or Transformer Thermal Relay) ^) G" O; I* z. e `/ L3 ?
* 50 - Instantaneous Overcurrent
& X: M( T, X, l- F) I; ]# } * 51 - AC Time Overcurrent Relay
( a w! }6 F) W* E# q * 52 - AC Circuit Breaker# ^& Q5 |9 I- z; t% d6 ^/ ]5 `2 D' M9 `
* 53 - Exciter or DC Generator Relay
! ~* h5 i% l* Z * 54 - High-Speed DC Circuit Breaker
% D! V* Y6 G" x, p+ S' c * 55 - Power Factor Relay. F0 t% m* x% k8 s9 A# P
* 56 - Field Application Relay5 N% H& u, |4 G
* 59 - Overvoltage Relay
! o+ F6 P" f! N* P! F' o! s" J: u% S6 U * 60 - Voltage or Current Balance Relay
! a% _( C; A% _1 S" E/ T$ T * 61 - Machine Split Phase Current Balance4 J% y$ r% Z8 I5 R1 K. e0 n
* 62 - Time-Delay Stopping or Opening Relay
& k; X- l" \+ G, W * 63 - Pressure Switch
2 `7 t B0 A: X. u# H; n; D& ~ * 64 - Ground Detector Relay7 O7 M7 ^( R7 c2 l
* 65 - Governor0 {; f* H- [) U1 y5 _" O8 [3 G
* 66 - Starts per Hour, H9 H* V& K3 J5 v' X
* 67 - AC Directional Overcurrent Relay/ [) g5 v' W2 \, N" d9 z# W
* 68 - Blocking Relay2 x- a* v6 B: }: {: @
* 69 - Permissive Control Device5 {+ p, n1 I+ K0 F
* 71 - Level Switch- y+ @6 a( P3 `
* 72 - DC Circuit Breaker/ R1 g% G0 ^: r: ~* K
* 74 - Alarm Relay
1 z6 P4 q. J( K3 a * 75 - Position Changing Mechanism4 a8 K: Y; B3 |! ?, s4 h
* 76 - DC Overcurrent Relay
2 G, V5 F2 Z7 n * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
8 o) L( V. O( {$ e9 P# ? * 79 - AC-Reclosing Relay
. z7 O4 L/ h7 C* S; ~. W * 81 - Frequency Relay: ~) {0 d& F8 F8 Y# N0 f8 l) Y
* 83 - Automatic Selective Control or Transfer Relay
1 [7 d9 q. L& ]" l2 i+ Y; b * 84 - Operating Mechanism+ S" a4 \+ N$ ^" G8 j
* 85 - Carrier or Pilot-Wire Receiver Relay: H. ~1 q. c3 m/ e G
* 86 - Lockout Relay
9 i1 K m% k7 Z) f4 d2 i& C * 87 - Differential Protective Relay8 v: ` ?4 C" U s, _
* 89 - Line Switch+ ^6 I: @4 `$ v
* 90 - Regulating Device9 g d7 K# z( Z) y/ ?" M/ ?
* 91 - Voltage Directional Relay5 @6 ]: S' J1 r3 v6 |2 q
* 92 - Voltage and Power Directional Relay4 d( B1 x" j: }/ j7 C
* 94 - Tripping or Trip-Free Relay
, y+ H1 T# }* c j* X/ J. { * 95 - Reluctance Torque Synchrocheck$ u3 I7 Z% q3 N2 r8 o! ^
* 96 - Autoloading Relay |
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