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List of Device Numbers2 X: Q# O6 G9 M9 O8 h
Click to learn more...0 C0 F2 l# X6 c$ ^- O# H
1 U$ Q) P" E! D, V
* 1 - Master Element5 R. }0 M D2 Z) Q- Y5 @, R
* 2 - Time Delay Starting or Closing Relay
5 Q% N0 ?8 D- c( F# L- @ * 3 - Checking or Interlocking Relay
# c i4 T4 j0 _& N0 e& D* m1 L1 ^" d * 4 - Master Contactor
3 {- D4 T* ^! M# H8 ? * 5 - Stopping Device
: k, }' H% F0 w6 U+ z' q, m * 6 - Starting Circuit Breaker
3 d0 ?- y ?# g8 n5 x7 b * 7 - Anode Circuit Breaker' x! D1 k. g8 u: y, O
* 8 - Control Power Disconnecting Device
4 o" r1 E& ~ c; V7 D/ e * 9 - Reversing Device2 g t8 j: K( s; p/ t
* 10 - Unit Sequence Switch" r( g2 h& j" G1 ~1 a/ l
* 12 - Overspeed Device$ o# w1 q! w: j8 ~/ f
* 13 - Synchronous-speed Device
4 z- `# b+ q- `! } * 14 - Underspeed Device
: p( \) U7 ]4 Q0 |" F! p * 15 - Speed - or Frequency-Matching Device
/ v0 o- Z' B4 t * 21 - Distance Relay
+ W- D/ S% @% I8 L m6 ^ * 23 - Temperature Control Device
" G, g6 N$ A y$ J/ J% V * 25 - Synchronizing or Synchronism-Check Device
8 E+ D7 [/ V x# b) H * 26 - Apparatus Thermal Device6 s+ O5 r! U j3 L) D v, g+ J
* 27 - Undervoltage Relay
M; ~' R. y. ^+ g9 T' G * 29 - Isolating Contactor& K4 s- T) r9 @
* 30 - Annunciator Relay* i4 }8 ?* h. l; F
* 32 - Directional Power Relay# {: m$ h/ P$ S' @5 A
* 36 - Polarity or Polarizing Voltage Devices
6 |* U7 g, {3 w) N * 37 - Undercurrent or Underpower Relay- K0 `& g: p4 q: C/ S
* 38 - Bearing Protective Device
, X4 m. @1 ~, {' c * 39 - Mechanical Conduction Monitor- m) m3 T; z1 W; f+ G: e
* 40 - Field Relay
9 Y7 w& K& p. e2 }3 I3 I7 G' P * 41 - Field Circuit Breaker) z' w, s0 l4 I3 m7 x& o- N
* 42 - Running Circuit Breaker3 U2 ~) h$ u. W3 ?
* 43 - Manual Transfer or Selector Device
8 |' L6 [7 y) J4 X) P7 G1 p& d * 46 - Reverse-phase or Phase-Balance Relay
9 F( u @( T% G: x' E * 47 - Phase-Sequence Voltage Relay+ l; K) d E/ D
* 48 - Incomplete-Sequence Relay
+ K1 t/ K- L" Z! h: c* _ * 49 - Machine or Transformer Thermal Relay
1 q, j/ Y9 E" X * 50 - Instantaneous Overcurrent8 C/ ^2 m+ i) I' U$ S" v) x, {
* 51 - AC Time Overcurrent Relay
3 Z: H2 ?+ ]1 K- P& @# K4 F2 ~0 P * 52 - AC Circuit Breaker
# {% v5 }9 W1 U) f% p- O! O * 53 - Exciter or DC Generator Relay
^2 b$ X; n; K, Q * 54 - High-Speed DC Circuit Breaker6 v6 K/ \- M7 }9 B
* 55 - Power Factor Relay3 {$ e7 q- o* B1 M5 l
* 56 - Field Application Relay9 ^! f' k% A T
* 59 - Overvoltage Relay
7 Z) [' E) s0 S * 60 - Voltage or Current Balance Relay
' d& m6 d. y1 K, `/ v, J * 61 - Machine Split Phase Current Balance
. q6 `# b5 h+ l; ?3 _ * 62 - Time-Delay Stopping or Opening Relay* f. F7 K7 F% [$ N: v
* 63 - Pressure Switch. K, h& s" i& y3 e9 }2 D( w6 U
* 64 - Ground Detector Relay
/ u4 S) Q8 A, x( }5 c" o$ t * 65 - Governor$ s6 u8 G- E0 C1 E0 r" X9 C
* 66 - Starts per Hour
: d7 z5 Q+ u; ~4 F$ s4 y' [ * 67 - AC Directional Overcurrent Relay- b1 Q5 r6 ^, }6 h. c, {
* 68 - Blocking Relay
- B2 S# I; F3 |; d" c * 69 - Permissive Control Device
3 T, X4 z. p3 l2 |7 f+ i * 71 - Level Switch
1 O% a2 v8 z% K/ M1 [# v& p * 72 - DC Circuit Breaker
5 W) ^3 A9 m V& a8 @ * 74 - Alarm Relay
1 ]8 w( T/ ~ ^1 \# E * 75 - Position Changing Mechanism9 k' R ^& v' C+ i
* 76 - DC Overcurrent Relay% ?1 e' f% w5 C, v: g- D2 b
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay" J \; ^4 Q6 }* V& ]$ `
* 79 - AC-Reclosing Relay, o" p- B' B* E: n# F
* 81 - Frequency Relay
. z B7 f* ]$ ~5 L. ~2 C$ p * 83 - Automatic Selective Control or Transfer Relay
. }% z$ x5 q" ^) V: T# M * 84 - Operating Mechanism+ u6 q9 `& T4 d$ ]" ~8 u+ X
* 85 - Carrier or Pilot-Wire Receiver Relay
% n, n9 y; e" i$ E( f* h( ]8 Y * 86 - Lockout Relay
6 }9 u& @0 M$ J( Y ]* ^ * 87 - Differential Protective Relay
5 \2 C# e" H& k6 w * 89 - Line Switch6 F4 s9 U) P/ m' ]& C0 O
* 90 - Regulating Device
1 p s" X2 p* q2 m * 91 - Voltage Directional Relay
+ G9 s6 p& K+ D; r * 92 - Voltage and Power Directional Relay7 R) J8 {6 m: U' j6 l
* 94 - Tripping or Trip-Free Relay% z, n8 P2 x0 y H/ |: p+ `
* 95 - Reluctance Torque Synchrocheck
& G# {. W$ ]& A' C * 96 - Autoloading Relay |
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