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List of Device Numbers- Q3 e; h7 F, b7 N3 |* Q% _
Click to learn more..., q# W2 p- e6 f* v6 C/ i) C$ U
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* 1 - Master Element+ Z% J6 J! ?( g" A6 B/ p
* 2 - Time Delay Starting or Closing Relay. u% W, M7 W* z9 ^8 k% b% g
* 3 - Checking or Interlocking Relay7 m' u: q% [7 I1 `
* 4 - Master Contactor
6 K% u: Q; l9 j q * 5 - Stopping Device3 R+ j% [; N' p, l& i) e
* 6 - Starting Circuit Breaker! Z6 q, _% |% H7 D
* 7 - Anode Circuit Breaker
3 w5 ]+ D& W0 L/ `5 K1 t5 `1 n * 8 - Control Power Disconnecting Device U7 [, L& `# X j
* 9 - Reversing Device
0 b! }& k) z, W- @% A$ ~ * 10 - Unit Sequence Switch% Q4 f' d0 q+ {; B% P/ n/ n( [
* 12 - Overspeed Device
) r* v" m( |; v8 `; E" U O' X * 13 - Synchronous-speed Device
# y$ F( u9 g" C9 [( a ` * 14 - Underspeed Device+ X6 S# M0 m& O3 `( _$ G( r* v
* 15 - Speed - or Frequency-Matching Device
7 F5 G- u+ g6 q' Y4 ?, P5 O * 21 - Distance Relay
% T4 z" F' K* x0 l) A) c * 23 - Temperature Control Device
; l1 p6 |/ x6 }' D6 M3 Z5 l * 25 - Synchronizing or Synchronism-Check Device
0 E1 c2 r/ i9 n& u/ d6 J * 26 - Apparatus Thermal Device- u5 H/ t7 ^! {3 J2 t
* 27 - Undervoltage Relay9 I! `7 i- a- R/ |( u) F/ J% I
* 29 - Isolating Contactor
* b4 t& ?9 Z9 m9 |' q1 h4 Y * 30 - Annunciator Relay
9 v! ?/ @# c- p. R6 N1 a' A * 32 - Directional Power Relay/ _8 m- X" L2 u/ z
* 36 - Polarity or Polarizing Voltage Devices
& w: U% M- _! P * 37 - Undercurrent or Underpower Relay
9 e& o) Z& Q( p7 A6 L: k9 \ * 38 - Bearing Protective Device6 e9 f2 W6 W$ q; R% J
* 39 - Mechanical Conduction Monitor
$ T" N* q: T( u6 u* [ * 40 - Field Relay
, z2 |/ G, _8 w( G7 R: i * 41 - Field Circuit Breaker
- E ^% g2 b0 v) N6 f1 R' C * 42 - Running Circuit Breaker
2 w) k1 B3 f! ~% M * 43 - Manual Transfer or Selector Device
2 `5 v [$ Q3 x8 ~ * 46 - Reverse-phase or Phase-Balance Relay- B0 P, n2 n7 @- Q7 x5 _
* 47 - Phase-Sequence Voltage Relay
& m1 @, f$ Z, r0 D/ X: b. W: ~ * 48 - Incomplete-Sequence Relay
: {" \8 m) W4 [0 r) U * 49 - Machine or Transformer Thermal Relay; U4 m% g0 }3 k% ]( C5 I7 d2 V
* 50 - Instantaneous Overcurrent
" D/ |# { L* G( R' g6 |' A$ v * 51 - AC Time Overcurrent Relay
, c$ z: f# F3 ^. \6 Z6 y5 a o8 ] * 52 - AC Circuit Breaker! j- Z6 g# S3 |5 ?/ Z: M; d8 G
* 53 - Exciter or DC Generator Relay; W7 X$ f( z: }$ F9 d9 x
* 54 - High-Speed DC Circuit Breaker
: b2 M( S- O& w3 a * 55 - Power Factor Relay
4 ]" V5 T$ R5 z6 ? * 56 - Field Application Relay
: [# w' ]/ J8 M8 r& f1 V& n * 59 - Overvoltage Relay; X* i& n/ C1 v1 G% ?2 l
* 60 - Voltage or Current Balance Relay+ a, t* U6 R9 @; E7 [' m
* 61 - Machine Split Phase Current Balance
" ^" F* a% g8 p% u& \ * 62 - Time-Delay Stopping or Opening Relay
; g$ G; G1 G! X3 p: r( i * 63 - Pressure Switch; h" z5 j+ O( d; G3 v( ^( {
* 64 - Ground Detector Relay7 H, y+ N( w% i( Y) r$ g1 Y a
* 65 - Governor. M l# _; N9 P
* 66 - Starts per Hour) }7 w7 }. j3 o. B# m$ |5 q
* 67 - AC Directional Overcurrent Relay1 n/ D* S/ z6 w
* 68 - Blocking Relay
, v( z: Z0 D8 x' k1 G. }5 k * 69 - Permissive Control Device
: h/ w( k: O5 {5 c3 k * 71 - Level Switch: X: C! h$ ~9 ~( p
* 72 - DC Circuit Breaker
- T% E$ ?# t2 N2 o2 X * 74 - Alarm Relay: c: {( C6 O6 C3 e, J, p' o3 D! T K
* 75 - Position Changing Mechanism7 Z, U. E3 L1 g- @4 M- E8 K
* 76 - DC Overcurrent Relay! [0 X. ~4 K7 Q) ^. b, F9 o3 d+ x
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay/ J$ w3 W% j8 E/ d5 m, a
* 79 - AC-Reclosing Relay
% U' ?2 E& k/ n! `5 k) l/ w0 w * 81 - Frequency Relay
2 ] H1 S% q( p8 C, { ]3 v * 83 - Automatic Selective Control or Transfer Relay
5 P' R7 B4 s g# ]6 u% D * 84 - Operating Mechanism
; w5 \- J8 G: q# h+ i * 85 - Carrier or Pilot-Wire Receiver Relay
+ Q7 g7 x: ^0 |, |, L- u' L * 86 - Lockout Relay
0 ?7 z$ C A/ N# Y2 ~: Q% N * 87 - Differential Protective Relay: z0 w. C5 R' n
* 89 - Line Switch/ B) l% A+ K9 K- w
* 90 - Regulating Device
5 e4 u0 b* p% `3 {; ]6 B* G4 b * 91 - Voltage Directional Relay
( r% ^# U5 J9 G5 t * 92 - Voltage and Power Directional Relay+ i( q) f0 w9 E; g+ m$ U$ d
* 94 - Tripping or Trip-Free Relay
6 q# T4 Q' S$ z4 p) T( y0 X) w * 95 - Reluctance Torque Synchrocheck
8 c/ h. T! Z. s# o @ * 96 - Autoloading Relay |
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