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List of Device Numbers
" I' @. P# W3 T: S; ]) ?3 @6 QClick to learn more...
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( b* g2 k1 ^# O7 k * 1 - Master Element0 S* M# W0 c; r6 K2 T3 z
* 2 - Time Delay Starting or Closing Relay! v0 y! w/ ^( ]
* 3 - Checking or Interlocking Relay: M1 H: R0 g$ L8 B7 e
* 4 - Master Contactor% F; O( w" A% a( b' E+ n0 V" [* c
* 5 - Stopping Device6 ]1 x) T. C* E- ~% W% e. {& c) F
* 6 - Starting Circuit Breaker
+ ]9 j( N2 f- @$ g0 Z/ l+ j0 d * 7 - Anode Circuit Breaker- w& N( l, R4 a! U, r5 R
* 8 - Control Power Disconnecting Device2 T9 o- {5 X# f X
* 9 - Reversing Device9 u/ ]. K" p0 }" ~, I0 Q/ z6 x m
* 10 - Unit Sequence Switch
1 [! r, G/ R9 b! F, v * 12 - Overspeed Device
. s& E9 j( A: n5 P9 A * 13 - Synchronous-speed Device& A2 U9 }7 I2 P, j- F
* 14 - Underspeed Device, B/ Z. ]: ?+ q: z2 ^. W1 [" p6 L, y
* 15 - Speed - or Frequency-Matching Device
; L, G( `3 O6 b * 21 - Distance Relay9 C% W" ]2 ~3 g! y
* 23 - Temperature Control Device- R5 ?0 M& ]' U6 p$ R& b
* 25 - Synchronizing or Synchronism-Check Device- u9 f; {( f. A
* 26 - Apparatus Thermal Device
8 s1 }/ B2 z& b6 u* D0 U( }) m- @ * 27 - Undervoltage Relay
; m6 ], ?+ {. q M5 o * 29 - Isolating Contactor
5 X9 Y, _( Y! v% i$ i5 ~ * 30 - Annunciator Relay
. c6 g: \6 e' l/ T* R! L9 w * 32 - Directional Power Relay. f8 M% Z- s1 O$ ]( c
* 36 - Polarity or Polarizing Voltage Devices w" J/ `* y, b# c* S
* 37 - Undercurrent or Underpower Relay
9 x% |2 w. ^0 o * 38 - Bearing Protective Device! u7 n% g0 ^/ ^6 y, i
* 39 - Mechanical Conduction Monitor
! H3 b9 O. S: w4 _, v% s * 40 - Field Relay2 z7 u- \+ _0 k( _$ n6 [
* 41 - Field Circuit Breaker
- x% K7 k% ?, W t * 42 - Running Circuit Breaker
7 F) B, W! x. t! c$ a * 43 - Manual Transfer or Selector Device
! X8 B' w+ Q$ m$ y2 n0 C * 46 - Reverse-phase or Phase-Balance Relay- g* g( N; l. [: h5 z4 `) F7 {6 _
* 47 - Phase-Sequence Voltage Relay- l2 _# L$ O5 x# W8 ?
* 48 - Incomplete-Sequence Relay5 ?; @( r* I# |4 {, Q
* 49 - Machine or Transformer Thermal Relay1 q- P( T/ L$ W! x9 s- N
* 50 - Instantaneous Overcurrent
, f, `& q7 e! x& y: A9 I3 l * 51 - AC Time Overcurrent Relay
% O8 q& r" n" B1 d$ o * 52 - AC Circuit Breaker
' _1 X1 b5 V N6 X0 u * 53 - Exciter or DC Generator Relay. U' F/ r% I$ {8 R
* 54 - High-Speed DC Circuit Breaker
" L( H; W2 }3 j- ? * 55 - Power Factor Relay: T. H1 I7 W* t
* 56 - Field Application Relay( \( k4 L: E5 b) o# s4 O
* 59 - Overvoltage Relay7 o3 X2 D7 x; m# C, e" z
* 60 - Voltage or Current Balance Relay$ t9 i( k7 ^0 O2 o* {
* 61 - Machine Split Phase Current Balance
( j2 O9 d3 @3 z * 62 - Time-Delay Stopping or Opening Relay# _$ p p# E0 k7 X/ Q) u, b
* 63 - Pressure Switch
# K% z0 r: v' P3 |* S * 64 - Ground Detector Relay
6 U5 i. ^5 ]5 Q" J' S * 65 - Governor
# t; A5 k# C2 d * 66 - Starts per Hour7 j0 y$ D3 D6 v1 @
* 67 - AC Directional Overcurrent Relay# z( `" A9 q. b4 h; S5 D
* 68 - Blocking Relay
+ s( V$ K/ }: ?3 m7 @& L * 69 - Permissive Control Device
$ `3 f; J& {+ k3 ?% ~1 T * 71 - Level Switch- ^ p2 t5 D+ B8 O5 U
* 72 - DC Circuit Breaker/ {' N% |" p/ j5 c
* 74 - Alarm Relay
6 } }$ @4 ]# E5 k * 75 - Position Changing Mechanism
% e* t6 d/ l$ ]4 x) N4 g * 76 - DC Overcurrent Relay1 d5 c I: P" {
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
# a9 g$ r3 @# ` @, Z' f, H1 n: W * 79 - AC-Reclosing Relay
, {' x6 D( W0 {4 B3 ?6 s * 81 - Frequency Relay a; E) T& H" y) \! p+ M0 g! X0 `/ |
* 83 - Automatic Selective Control or Transfer Relay$ a9 B7 V u2 m, I N, B) Z
* 84 - Operating Mechanism
5 B) {5 ]: S1 R7 V * 85 - Carrier or Pilot-Wire Receiver Relay4 Y5 @* [2 [8 X: i9 M
* 86 - Lockout Relay8 P6 d! D3 J% Q5 v% T X6 r
* 87 - Differential Protective Relay
7 R; R9 ?" R" \0 G ^+ ~ * 89 - Line Switch3 n$ n! J* r- @. t) c4 t) a
* 90 - Regulating Device% l D- n$ b# M. x
* 91 - Voltage Directional Relay5 D c s7 ]4 v
* 92 - Voltage and Power Directional Relay$ w7 @2 b, Z/ ?/ p$ i+ Y* y
* 94 - Tripping or Trip-Free Relay& R; D) k! W I. l( c
* 95 - Reluctance Torque Synchrocheck, h; A `$ f) G4 A2 ]) x
* 96 - Autoloading Relay |
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