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List of Device Numbers
7 e7 T* `! S+ bClick to learn more...$ ^) ]5 x0 J! H8 X& h
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* 1 - Master Element3 g( ?, {5 P! z) O0 N
* 2 - Time Delay Starting or Closing Relay
/ A$ o$ K: b6 ]+ [7 j- S8 L * 3 - Checking or Interlocking Relay' d% ^" s) T; r! }$ c! L4 {, q
* 4 - Master Contactor# g. L" q. e# r" d% H
* 5 - Stopping Device
# t. W# X! N; f7 G8 ?" P9 N * 6 - Starting Circuit Breaker
2 N( A* S. m) O% Y4 p2 i * 7 - Anode Circuit Breaker
" C R: T; I6 E0 T: @1 } * 8 - Control Power Disconnecting Device1 p+ j5 T) t) A2 B# @, T
* 9 - Reversing Device8 ]. ?# y. u) r, P% p
* 10 - Unit Sequence Switch: r5 ]9 }/ Q( {9 e5 A5 e
* 12 - Overspeed Device
$ S5 w6 q/ Y2 Q* Z. t; h * 13 - Synchronous-speed Device
N+ ^! V0 D% p8 E * 14 - Underspeed Device
6 t# u6 K8 L2 u9 c! | * 15 - Speed - or Frequency-Matching Device* u n1 |& B6 `. f& ?
* 21 - Distance Relay
3 _1 B( `* x3 v& W$ H7 J( l * 23 - Temperature Control Device
1 b7 M# ~% w6 V4 a v, g4 \ * 25 - Synchronizing or Synchronism-Check Device1 K |, v! v1 N2 T7 U& D+ p
* 26 - Apparatus Thermal Device
3 ]$ B. J- @* m1 g * 27 - Undervoltage Relay
' g" Q8 @; ^ B# S3 c * 29 - Isolating Contactor# J( i0 K0 X* ^
* 30 - Annunciator Relay4 K$ U' ~2 d, E. |, b, @
* 32 - Directional Power Relay$ w5 z+ e" \/ ^, u$ }3 k
* 36 - Polarity or Polarizing Voltage Devices
- G" D4 d1 z5 K2 x4 a0 ~ * 37 - Undercurrent or Underpower Relay
7 g# ^! v: Q$ |) N+ I3 U; y * 38 - Bearing Protective Device
, A- ~+ s, I; h. u2 ?( y' T, ] * 39 - Mechanical Conduction Monitor3 g, p- ~3 M5 z. z4 H: H o+ E
* 40 - Field Relay
+ f( T4 _: B1 J2 J8 [* A! ? * 41 - Field Circuit Breaker
- D/ G3 H, ?! O" z: O# m! e6 H * 42 - Running Circuit Breaker
: ^$ T2 Q3 d- K6 c6 s * 43 - Manual Transfer or Selector Device
! O$ R7 D2 t0 u+ N9 D4 o1 J2 i * 46 - Reverse-phase or Phase-Balance Relay+ x* M# e+ j; j* v9 @1 r |5 l
* 47 - Phase-Sequence Voltage Relay3 W! ^: L0 H1 R- K2 y4 C, ?! Z E5 j
* 48 - Incomplete-Sequence Relay
0 ~4 e8 o9 z; U U * 49 - Machine or Transformer Thermal Relay0 E z' A8 ^. U# ^: i& `
* 50 - Instantaneous Overcurrent
' I3 @: w0 J& n: x7 H) s * 51 - AC Time Overcurrent Relay, k' W# s3 G" }
* 52 - AC Circuit Breaker& r: C" O6 P5 Q$ J. G0 u
* 53 - Exciter or DC Generator Relay
5 e/ m6 H- u3 R5 d+ p# V& @ * 54 - High-Speed DC Circuit Breaker& U7 ~: Y1 @ U- E3 O2 @$ w: E
* 55 - Power Factor Relay8 b; m8 |' `6 V2 A. k
* 56 - Field Application Relay% V& S2 @& G3 X( A: R
* 59 - Overvoltage Relay5 E7 O" i1 e# k# y* [& A
* 60 - Voltage or Current Balance Relay, A1 e" T! A0 n% a/ t K R$ L
* 61 - Machine Split Phase Current Balance) ]% `' X! ^- ^ Q2 l5 Q
* 62 - Time-Delay Stopping or Opening Relay
0 g7 ^0 Q$ w0 e9 K * 63 - Pressure Switch a4 q" R$ I5 y) j5 U. o( L, ?
* 64 - Ground Detector Relay( _& s4 S# W3 g3 {. V' ?, B
* 65 - Governor' \3 Z! L0 v. j8 v
* 66 - Starts per Hour x7 F: S8 f$ ]& R
* 67 - AC Directional Overcurrent Relay: s0 @( t( N' t1 H* ^
* 68 - Blocking Relay
8 e! [8 ^/ P0 B4 P8 L3 I2 l; o6 G * 69 - Permissive Control Device% j! B$ x5 B C8 l, x6 ~
* 71 - Level Switch% b0 b3 p' l3 R6 T% ?
* 72 - DC Circuit Breaker
+ h. n1 u, T. \9 M1 {3 i& F; q * 74 - Alarm Relay
8 T& d3 ?' H! `# v * 75 - Position Changing Mechanism5 q) e1 w0 `6 ?% ]3 G; ` k) z+ h9 L
* 76 - DC Overcurrent Relay
: `' E4 y5 W" C+ D( Q- I * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
: ~9 C2 D6 W* `+ Y# h9 F* V% Z. a * 79 - AC-Reclosing Relay
/ H) A+ x1 P/ w- p# B4 H * 81 - Frequency Relay- K3 ?' I, D4 H# X4 R- N* s
* 83 - Automatic Selective Control or Transfer Relay# m- z4 ?5 v& G3 N( z
* 84 - Operating Mechanism* D6 Z9 }: T! r% {; t: d0 {; L: I
* 85 - Carrier or Pilot-Wire Receiver Relay
! O) F+ Y+ ~) i9 ?& q* d2 S * 86 - Lockout Relay
4 R9 I; o! x: \. ?$ k- n* Z! ] * 87 - Differential Protective Relay1 }1 ^/ m6 E R8 E0 F
* 89 - Line Switch
/ c S8 ]6 n* K0 J; `& @- Y+ u! | * 90 - Regulating Device
' ^9 K( n# m7 h * 91 - Voltage Directional Relay; L! ?0 {0 _, W$ _, _% ^
* 92 - Voltage and Power Directional Relay2 r! k- s: ?) \
* 94 - Tripping or Trip-Free Relay$ h% ~ z. r6 R9 I% x& i8 ^1 U
* 95 - Reluctance Torque Synchrocheck* x" }$ M* b: `8 ]/ b" E, e
* 96 - Autoloading Relay |
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