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List of Device Numbers- V6 | Q( ~7 w8 O! D6 t
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. f9 [4 o( m2 D9 j' B4 X& [- I2 B * 1 - Master Element% R& V& V- p7 K' d7 a* A- O
* 2 - Time Delay Starting or Closing Relay
6 ~' k: @4 f6 E, e& A) u * 3 - Checking or Interlocking Relay
$ c% o, K8 I( i* F * 4 - Master Contactor& v% X+ n% Q$ `$ H
* 5 - Stopping Device3 n9 \' V& T) E
* 6 - Starting Circuit Breaker) g" o! x# W, R! p; K- T
* 7 - Anode Circuit Breaker
1 ~: E) b* C9 g * 8 - Control Power Disconnecting Device
1 u! }* z4 K; y. f7 e8 {6 W * 9 - Reversing Device
% ]4 _" K, m! l7 N% H * 10 - Unit Sequence Switch
( O# w" S/ G8 z * 12 - Overspeed Device
! B1 k9 q) r& ?5 W0 M# h0 ? * 13 - Synchronous-speed Device
/ N6 _ {: ?0 p! r( X9 T. U * 14 - Underspeed Device
3 k0 A4 K; Z- ]- S& z2 k) t * 15 - Speed - or Frequency-Matching Device
, ^. e8 m. G/ D1 M' ^0 W * 21 - Distance Relay* U" w! u- Q$ |3 M
* 23 - Temperature Control Device
7 V4 C3 T& J; l+ i, \5 r * 25 - Synchronizing or Synchronism-Check Device
' J5 v3 w& R+ }1 s * 26 - Apparatus Thermal Device
! w7 w. o6 w+ f H$ _ * 27 - Undervoltage Relay4 H, R* h2 U& _; K; O) U$ S
* 29 - Isolating Contactor) |0 O, y+ ]+ u0 p
* 30 - Annunciator Relay
$ l. x9 }- z' Y# \# Z * 32 - Directional Power Relay0 H" {& k( r4 v ?; R
* 36 - Polarity or Polarizing Voltage Devices
" j/ {0 ? P C0 {# p# [0 E9 @$ E2 I * 37 - Undercurrent or Underpower Relay
) Y) z" z5 h' b8 c5 } * 38 - Bearing Protective Device
9 U- x/ t2 L9 I: z * 39 - Mechanical Conduction Monitor& }: D. H) Y5 z) l6 c) j
* 40 - Field Relay0 P; |2 Z) k; ~0 v
* 41 - Field Circuit Breaker8 x. Z7 y. i* N4 {. H, V
* 42 - Running Circuit Breaker4 C4 x9 w4 {/ u* n- }
* 43 - Manual Transfer or Selector Device
$ }- W! d4 X' r# f/ ~1 M * 46 - Reverse-phase or Phase-Balance Relay
" Z! C1 x- S: f1 {: t* {- } * 47 - Phase-Sequence Voltage Relay4 y8 B) s8 ^( A6 G( ~
* 48 - Incomplete-Sequence Relay; R& H2 f; E' v& ?% D" k i
* 49 - Machine or Transformer Thermal Relay
) c5 P+ @, _- n" ?% I6 b * 50 - Instantaneous Overcurrent
2 t/ s. f, @6 e' y' t * 51 - AC Time Overcurrent Relay
( d, |- t0 x8 H8 c9 _% m * 52 - AC Circuit Breaker0 y3 \% |' L9 L) D. \, \ K( e) P
* 53 - Exciter or DC Generator Relay
: ^1 ^8 s8 t; I' r * 54 - High-Speed DC Circuit Breaker; |$ A" v$ B: w+ K% @4 I
* 55 - Power Factor Relay
; |( N+ g0 X- H# Y * 56 - Field Application Relay& j0 _1 Z. h* S/ j# J. F6 |8 f
* 59 - Overvoltage Relay
, M4 L8 g6 [8 G * 60 - Voltage or Current Balance Relay
: Z/ d- v2 q( r0 [. G* b * 61 - Machine Split Phase Current Balance, `$ b9 H% l* Y1 Z7 H5 _0 c$ A
* 62 - Time-Delay Stopping or Opening Relay
$ ?# Z: E6 p3 |0 A6 H * 63 - Pressure Switch" ~* q# e% y* O* w
* 64 - Ground Detector Relay
2 a$ E9 c- h9 G0 i6 l% J/ g, C * 65 - Governor* l, f/ l! |" o# X. _. F+ _3 i0 @* f
* 66 - Starts per Hour
, t, T! `9 G9 x0 W- @& P * 67 - AC Directional Overcurrent Relay2 @5 f& m/ g6 G, O
* 68 - Blocking Relay! A0 D7 {* j' _; i6 |5 Z. q
* 69 - Permissive Control Device, j! G2 P. Y+ T
* 71 - Level Switch
8 p% e% |# b& G+ B$ H1 K5 S * 72 - DC Circuit Breaker
! R8 |* U4 u: X2 {7 Z( M- E * 74 - Alarm Relay
8 A: ~# i0 A& z( I3 A/ K: d * 75 - Position Changing Mechanism/ ]2 M \' L: Z9 }
* 76 - DC Overcurrent Relay
4 E1 X; v9 |. K2 t! s' u1 q6 X * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
, K& @: h; U4 W% O * 79 - AC-Reclosing Relay+ G; O, c i1 F; a7 e. l. L+ z
* 81 - Frequency Relay4 k. U5 N9 c/ M6 G3 Y! K
* 83 - Automatic Selective Control or Transfer Relay
- Z, ]) i( {3 q1 f) O6 f * 84 - Operating Mechanism, W c* i" p! R v
* 85 - Carrier or Pilot-Wire Receiver Relay
4 J# g3 S! J- t * 86 - Lockout Relay/ U( |: T$ x1 r" v3 D- [2 a
* 87 - Differential Protective Relay
) {& i( H& E2 H$ S& C ^' X& @ * 89 - Line Switch8 d2 V' B& X7 ?. x# Z3 z
* 90 - Regulating Device( [( S0 `& K+ [. F
* 91 - Voltage Directional Relay- Z& z' E( X% |5 m. e$ J
* 92 - Voltage and Power Directional Relay
4 Z. r2 F. s6 u/ Z/ p * 94 - Tripping or Trip-Free Relay! o% r9 x$ u, }. ]
* 95 - Reluctance Torque Synchrocheck
. m5 `0 Q. R% s4 i8 n7 K9 d! F * 96 - Autoloading Relay |
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