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List of Device Numbers
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* 1 - Master Element2 z0 [5 n2 l0 p5 T0 H' l' F7 |
* 2 - Time Delay Starting or Closing Relay
1 E/ J- o% K) p# P" W' T * 3 - Checking or Interlocking Relay
6 d; L X0 P, e7 K. c | * 4 - Master Contactor
7 F% a7 T/ B2 b+ r; z * 5 - Stopping Device
6 f O3 V# u0 z8 K5 k2 v * 6 - Starting Circuit Breaker: v8 I3 Z3 S+ m% F8 }2 X
* 7 - Anode Circuit Breaker$ d& H. z _9 O |
* 8 - Control Power Disconnecting Device$ A6 q& o- ~# H% Z& M" y/ F4 y5 v
* 9 - Reversing Device* \% P( d S1 R4 |4 o a% }
* 10 - Unit Sequence Switch h* ?. a0 q& A
* 12 - Overspeed Device3 {6 a* j8 j- ]5 J: t
* 13 - Synchronous-speed Device* b3 z: x6 O0 I4 X |: E
* 14 - Underspeed Device2 B& B7 k, r) Y4 C
* 15 - Speed - or Frequency-Matching Device; e7 G8 _' U# N. d/ _
* 21 - Distance Relay
5 U& L2 h* t+ h1 e. x+ Z * 23 - Temperature Control Device( c2 H# `/ h( u! r5 g9 ?
* 25 - Synchronizing or Synchronism-Check Device
5 Q, I! m% [# Y; b * 26 - Apparatus Thermal Device
, h* i# e$ U- K. W * 27 - Undervoltage Relay
) @0 ^; L( [9 e7 ? * 29 - Isolating Contactor: w$ W; V- z0 H6 k7 z( X E
* 30 - Annunciator Relay( J" ~, y% L! F! c1 \! x: i
* 32 - Directional Power Relay
9 K: E" ?9 l) c0 i) P# X * 36 - Polarity or Polarizing Voltage Devices
9 w, B- B# P, k * 37 - Undercurrent or Underpower Relay9 {+ \$ i, [- W h, Y* R2 z0 D7 l
* 38 - Bearing Protective Device
, C9 h# t% ^; ?* `! u4 N * 39 - Mechanical Conduction Monitor
% R& g; f& N4 p1 u, P * 40 - Field Relay
0 m4 ] |/ K+ F0 A$ ]9 r * 41 - Field Circuit Breaker# ?; q2 A, v, z4 c9 e! ~
* 42 - Running Circuit Breaker, ^ s% y) y2 g+ N8 ^+ Q# n7 C: Q
* 43 - Manual Transfer or Selector Device
' B# W4 d/ B1 g; E m * 46 - Reverse-phase or Phase-Balance Relay
* |5 J* m! u* k- m1 I1 V' a * 47 - Phase-Sequence Voltage Relay: C- n' S- p# w* J6 O
* 48 - Incomplete-Sequence Relay" M: j7 ~! \% ]' H
* 49 - Machine or Transformer Thermal Relay
: Z p( ^: }, {6 s% M& x * 50 - Instantaneous Overcurrent, `' D: k0 D. e( L1 P
* 51 - AC Time Overcurrent Relay* G: C) P" {) h( ?0 B
* 52 - AC Circuit Breaker
( ^) R% O1 u9 W* a; \7 x _; ] * 53 - Exciter or DC Generator Relay# {! `( M- Y r' |. D
* 54 - High-Speed DC Circuit Breaker
$ t4 ~5 }3 e& ^0 D * 55 - Power Factor Relay( D4 _" R" ]7 k8 O8 w
* 56 - Field Application Relay) ?# C9 N% O! ]5 E4 Y& x/ T( b
* 59 - Overvoltage Relay
5 W. U( K& Y: P5 }6 s * 60 - Voltage or Current Balance Relay
5 L' s. u9 m" i8 z# u. O4 P& E9 _ * 61 - Machine Split Phase Current Balance
) h9 |1 ^. h0 C& ^7 y; l * 62 - Time-Delay Stopping or Opening Relay- s8 \8 u0 x. b) A
* 63 - Pressure Switch
! G$ Z; }! [ F4 s& f; V% s) j) l( ] * 64 - Ground Detector Relay" ^) _0 J1 @5 S$ g( j7 b
* 65 - Governor
' R6 H( f( ^3 W# x9 D; y* l" Z * 66 - Starts per Hour! T* H8 K1 H. x2 p$ u+ ~
* 67 - AC Directional Overcurrent Relay
8 o, d% ~* c+ a; P * 68 - Blocking Relay- d* L5 ^2 v, m @- R0 q% v1 d( ~. Q9 [
* 69 - Permissive Control Device
! q/ m) L- b2 p: [ * 71 - Level Switch+ V& @ T3 H, ?
* 72 - DC Circuit Breaker6 a% y3 |$ f" b& ?! N
* 74 - Alarm Relay
9 h/ n9 B/ r4 I; F% e% U5 v * 75 - Position Changing Mechanism3 s3 F8 V- i( `& f. ~
* 76 - DC Overcurrent Relay
4 z1 m( x. H6 W8 j * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay& B0 K0 i U2 x) V/ I$ D
* 79 - AC-Reclosing Relay8 F3 X) E" f& K' W( i( B1 h7 V
* 81 - Frequency Relay2 g1 v4 `: I' E1 d
* 83 - Automatic Selective Control or Transfer Relay
( L( ^1 c' s6 E1 `# ? * 84 - Operating Mechanism" g5 `1 C4 o, w6 N+ s; I
* 85 - Carrier or Pilot-Wire Receiver Relay
) P) a8 E4 e ` * 86 - Lockout Relay
% }2 `( e# V/ F * 87 - Differential Protective Relay
) i6 a2 d: i0 k$ e7 W. \ * 89 - Line Switch' V4 J J0 S' _3 S2 h
* 90 - Regulating Device: ^3 m8 ]8 s; {/ S5 D0 M
* 91 - Voltage Directional Relay8 r' X4 j: G( U. M" k' a: Q
* 92 - Voltage and Power Directional Relay
9 I& Z9 e& w9 ]0 C4 @) n% t- }) F5 Z * 94 - Tripping or Trip-Free Relay$ X+ C, U3 u8 D8 c3 Y3 D6 r& D
* 95 - Reluctance Torque Synchrocheck
; K5 t& L8 Z) Y" w * 96 - Autoloading Relay |
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