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List of Device Numbers' V9 Y4 N+ a ^# s H
Click to learn more...6 e; F" t9 K; U1 U, Y
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* 1 - Master Element0 ?8 E5 ^* H5 F u- R
* 2 - Time Delay Starting or Closing Relay% T) r: V+ }3 M* Y" y V9 r
* 3 - Checking or Interlocking Relay
" a0 m3 B% m) ~. U" t2 d5 i * 4 - Master Contactor+ |- a# ?) |+ j* T; u5 p' n' O
* 5 - Stopping Device" [. B" M% F% H3 o( y& m$ u
* 6 - Starting Circuit Breaker
9 I {( U4 S* `$ a" u * 7 - Anode Circuit Breaker
" R9 l+ k0 B. H0 r" w0 |9 V* J9 r * 8 - Control Power Disconnecting Device
9 Q1 |) k) z; _4 L$ f$ M0 h7 F" i * 9 - Reversing Device0 C& _) T& |9 k7 U, [7 N4 L
* 10 - Unit Sequence Switch
& D3 N ?+ K4 r0 o * 12 - Overspeed Device# [1 B+ n! X4 Q* P
* 13 - Synchronous-speed Device3 {% ]* N# Y, g: }' W& y
* 14 - Underspeed Device! l5 X8 a5 ^& r9 }
* 15 - Speed - or Frequency-Matching Device
( y, H& f9 D' Q- n. N * 21 - Distance Relay0 C8 [. a/ W& k! f
* 23 - Temperature Control Device! q6 d$ F& D4 |
* 25 - Synchronizing or Synchronism-Check Device
* m$ q, z& b" P- f; ?5 A6 A * 26 - Apparatus Thermal Device# }! ]& s+ l& p+ f! D _
* 27 - Undervoltage Relay
8 t' {. t- j3 i/ h! A * 29 - Isolating Contactor
* j Q1 @+ G, [* t * 30 - Annunciator Relay# \) B/ Q" z6 S* i3 F: s) y
* 32 - Directional Power Relay3 A) p( T8 }7 u' Q# x) d
* 36 - Polarity or Polarizing Voltage Devices
/ @2 w; C, C$ D+ U" O3 \% e) x * 37 - Undercurrent or Underpower Relay; b5 P& y; U. _) F/ C
* 38 - Bearing Protective Device2 A1 i' X/ L! c) f( K3 Y% F
* 39 - Mechanical Conduction Monitor
0 C; l* o- D9 r* Y * 40 - Field Relay
3 \ @& n* i+ z9 F' q * 41 - Field Circuit Breaker
_0 \- J: y; D$ h' m/ c* ~9 m * 42 - Running Circuit Breaker0 q) j7 E n% s6 `8 Z& t; q
* 43 - Manual Transfer or Selector Device; p% @' @8 t8 c0 h0 Y% s. x
* 46 - Reverse-phase or Phase-Balance Relay
4 w1 a1 i8 ]) ^; h% b. U6 Q# Y * 47 - Phase-Sequence Voltage Relay
& J- k; s e% ^& M, ] * 48 - Incomplete-Sequence Relay) W$ i- ^ P- X
* 49 - Machine or Transformer Thermal Relay; g$ d/ p# e- p4 O* y
* 50 - Instantaneous Overcurrent- t7 \! T U6 i& ?6 N
* 51 - AC Time Overcurrent Relay
6 T5 z$ x1 Q2 b. B) m; M2 f * 52 - AC Circuit Breaker
9 ^. Q6 V1 \2 q \ * 53 - Exciter or DC Generator Relay
% E* S3 V) f C7 z4 D9 w0 `3 n2 g * 54 - High-Speed DC Circuit Breaker; }& c( T- U7 x$ ~! A
* 55 - Power Factor Relay
) E8 }( c' U# D * 56 - Field Application Relay: u8 F7 z& |5 Y x5 V9 a
* 59 - Overvoltage Relay8 s L* s' a) y
* 60 - Voltage or Current Balance Relay/ t$ C( T7 e7 Y( x
* 61 - Machine Split Phase Current Balance# l2 J$ ^' v9 k# ]( R J
* 62 - Time-Delay Stopping or Opening Relay. D6 u+ o# T9 e- [, ^7 X, I
* 63 - Pressure Switch1 Q: p3 F- ?8 e8 q
* 64 - Ground Detector Relay
k+ Y6 s" r3 E6 m; @ * 65 - Governor! b" J6 t. l0 Y6 p" c5 n" |: F
* 66 - Starts per Hour
_, L# m0 D) c- e; P- f" X * 67 - AC Directional Overcurrent Relay1 Z \% |4 d) W/ s. r3 j
* 68 - Blocking Relay
C% q, ]7 f- Z * 69 - Permissive Control Device
" u9 u# c; W6 {3 X3 d/ h7 W * 71 - Level Switch
, T" ?/ Q) J3 ^. z * 72 - DC Circuit Breaker
+ h4 [7 }9 @) I( `/ @6 T * 74 - Alarm Relay" X, m8 m4 ]$ ]1 @1 D! l' H0 G; l
* 75 - Position Changing Mechanism
- F9 Y3 E: Z/ M2 F/ F * 76 - DC Overcurrent Relay$ q. h; C, X$ s
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay0 U G6 G! z$ L$ |' M& ^* e0 Q5 e
* 79 - AC-Reclosing Relay
% E* b! F; r' K * 81 - Frequency Relay
8 P/ f9 T! f/ N' m, z * 83 - Automatic Selective Control or Transfer Relay
: h$ {3 E* M; r) Y, U0 w * 84 - Operating Mechanism( v+ F D" Q" A. M: a% c" l/ ^
* 85 - Carrier or Pilot-Wire Receiver Relay( y% }. T5 A: b- @ z2 J( b
* 86 - Lockout Relay% `9 r7 x- N" j- K
* 87 - Differential Protective Relay
3 X2 v& M' J3 ?* m2 E3 n * 89 - Line Switch& {$ T4 R* \+ _6 P; w/ L- \
* 90 - Regulating Device7 x# @$ k: F6 p, u; @
* 91 - Voltage Directional Relay9 ^' ?" O- y( Z7 [* g$ G% `
* 92 - Voltage and Power Directional Relay9 x/ u& |; `4 V) L
* 94 - Tripping or Trip-Free Relay
& P5 B$ K& i6 b! G0 _$ q+ @ * 95 - Reluctance Torque Synchrocheck
+ V; S5 z* T' I, I * 96 - Autoloading Relay |
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