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List of Device Numbers/ A9 h1 Z+ L' R: T! J
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6 Y; o& A& E- E! [ |: a% w5 _ * 1 - Master Element
! K7 H+ C1 |$ e0 K2 p$ |/ s, W * 2 - Time Delay Starting or Closing Relay2 \4 F6 O7 _: y" n- l: T8 ^; X3 ?
* 3 - Checking or Interlocking Relay0 x/ z! l6 h% b: e) L7 V
* 4 - Master Contactor
9 D: k9 m$ {0 v * 5 - Stopping Device
" q5 ^; { J' D# u$ B * 6 - Starting Circuit Breaker4 { t9 u2 `' ], E2 S
* 7 - Anode Circuit Breaker
8 c y! i* C4 |) o * 8 - Control Power Disconnecting Device1 Q2 H" l* m. I* ?* b6 @/ [
* 9 - Reversing Device
$ T+ b( }3 j& s * 10 - Unit Sequence Switch1 O2 z8 }1 B- s- f5 ]" V7 C, ^
* 12 - Overspeed Device/ c/ d7 w4 u( A2 k# q5 E
* 13 - Synchronous-speed Device
4 v+ P6 |' W" a * 14 - Underspeed Device& J( ], w4 x4 d
* 15 - Speed - or Frequency-Matching Device
) l m9 k, B* u( [ * 21 - Distance Relay
4 v) B) N+ i1 f/ ?4 t * 23 - Temperature Control Device4 W# d: Z& l* \# N7 h9 K/ ]/ b/ I
* 25 - Synchronizing or Synchronism-Check Device' T" }/ }, _' U& P6 ^
* 26 - Apparatus Thermal Device/ I. s, J8 x! g( z% ?) N* z1 W
* 27 - Undervoltage Relay) X( _0 X- f2 a3 `) x4 w
* 29 - Isolating Contactor
' {, N5 n" l% Y [ * 30 - Annunciator Relay9 a: u: R: k0 G' N S* E/ T
* 32 - Directional Power Relay, a% s5 Q0 z8 L- Y: d: r
* 36 - Polarity or Polarizing Voltage Devices
9 k/ ?, `( S. G* k% E* C! Y * 37 - Undercurrent or Underpower Relay& A5 k: Z- D' B6 L, k
* 38 - Bearing Protective Device
: b4 @- c l0 s \ * 39 - Mechanical Conduction Monitor/ j, o4 \4 h; x7 V( W H
* 40 - Field Relay+ E% \( q7 {) l7 {' C
* 41 - Field Circuit Breaker
$ r; G! p5 f t$ E' c } * 42 - Running Circuit Breaker
4 \8 B( {) T3 P * 43 - Manual Transfer or Selector Device, z F& ]7 B" W: ~- a/ |
* 46 - Reverse-phase or Phase-Balance Relay0 {$ J) ?6 o& F; \/ C4 x
* 47 - Phase-Sequence Voltage Relay( D3 m2 x2 ^- E2 V
* 48 - Incomplete-Sequence Relay
, F0 [; D$ h+ u; @; o) C * 49 - Machine or Transformer Thermal Relay; @8 ?: m: B j! ]4 l$ v! E3 O
* 50 - Instantaneous Overcurrent
K, L: D @0 q1 s( a' g* l: M * 51 - AC Time Overcurrent Relay
_( b. U4 D4 o" Z: P * 52 - AC Circuit Breaker& r! h* S1 f+ r: R: [6 Y
* 53 - Exciter or DC Generator Relay" Q8 y& w. f3 x) n; v
* 54 - High-Speed DC Circuit Breaker8 }8 `/ P% }, u: K2 q# h
* 55 - Power Factor Relay
- [# M7 o& [( \$ I4 N/ S * 56 - Field Application Relay4 A: |0 Q$ A0 s$ y$ S5 @
* 59 - Overvoltage Relay
' b9 b. E9 y3 K* ^+ r/ Z2 N * 60 - Voltage or Current Balance Relay
, t5 F3 @- ]/ s: ?9 p * 61 - Machine Split Phase Current Balance- V$ W1 l5 s$ z6 v$ n7 N
* 62 - Time-Delay Stopping or Opening Relay
- j1 W' H/ Q: c/ Q m * 63 - Pressure Switch" e# x d8 e% s- |
* 64 - Ground Detector Relay
7 G) d# l( q- `; u* q * 65 - Governor6 Q/ t7 ^0 z- [( {1 C+ J- x9 R1 n3 ]1 q- {
* 66 - Starts per Hour
$ j5 J( O; D7 E( @ * 67 - AC Directional Overcurrent Relay7 _' {$ D2 c) c/ g& \: s6 P
* 68 - Blocking Relay
* n( p0 w' ^7 p * 69 - Permissive Control Device( z# o& e# p2 p" q
* 71 - Level Switch n" L t5 O0 B& A- \# z. `
* 72 - DC Circuit Breaker) L' k$ L! ^7 X% c
* 74 - Alarm Relay: ]8 c R& e" n9 P3 B
* 75 - Position Changing Mechanism
% j, o1 W) a# M* A1 g' K0 G0 v/ s, F * 76 - DC Overcurrent Relay4 Y q; N7 O; I g8 f
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
1 h6 E6 S( ?9 }5 z" Z, N * 79 - AC-Reclosing Relay4 U8 \1 d, }' d
* 81 - Frequency Relay
1 k( `( A# U/ S% Y2 T * 83 - Automatic Selective Control or Transfer Relay; i* c+ Y. c2 G' k/ Y1 i
* 84 - Operating Mechanism
0 m, S! ~* l4 V' L" B9 i. {$ b6 i * 85 - Carrier or Pilot-Wire Receiver Relay
+ s- N) U# U* g- Z * 86 - Lockout Relay3 i1 O( ]/ }' i8 n
* 87 - Differential Protective Relay6 v" I* Q8 |" E3 y
* 89 - Line Switch
/ {! N" c+ }# ?: h9 s * 90 - Regulating Device- n, B3 c9 i5 X, J8 `
* 91 - Voltage Directional Relay
$ U& l0 X0 W7 e * 92 - Voltage and Power Directional Relay+ E* F' \; T2 @# e
* 94 - Tripping or Trip-Free Relay' ^' ^% A+ q' J7 m& [
* 95 - Reluctance Torque Synchrocheck
% N9 A' Y& L9 W9 `7 j, N: l; g * 96 - Autoloading Relay |
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