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List of Device Numbers
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* 1 - Master Element" R8 _& Z- b6 b4 k" k
* 2 - Time Delay Starting or Closing Relay
& w3 u' }, r1 ~) F4 q8 T * 3 - Checking or Interlocking Relay
; [) W$ r6 y) g2 J1 X1 U2 y * 4 - Master Contactor
1 _+ A; b$ R7 X( K * 5 - Stopping Device
" r& k1 a( j6 a$ L2 e * 6 - Starting Circuit Breaker
) j3 L1 I+ S' d: N, b * 7 - Anode Circuit Breaker G! ~6 |( E- g7 k K3 K0 u
* 8 - Control Power Disconnecting Device" w& L5 g. S7 t( o) ?7 l
* 9 - Reversing Device
g3 q% ]' n6 }' B * 10 - Unit Sequence Switch
% E1 G, C6 r) {3 u1 [: a3 [+ u * 12 - Overspeed Device: \0 U5 N+ s' p. b) W3 x/ o/ I
* 13 - Synchronous-speed Device
5 |. ]- p! p, C, S * 14 - Underspeed Device
! m# |& q5 y" D* M8 n) B0 S * 15 - Speed - or Frequency-Matching Device8 D8 r, ^; X5 u6 K
* 21 - Distance Relay4 D& Y. L2 N; f4 \, v2 D
* 23 - Temperature Control Device
6 h! n2 a4 K' A T4 u * 25 - Synchronizing or Synchronism-Check Device* i+ T" \( F s/ f' P
* 26 - Apparatus Thermal Device
& R$ K: P- W9 e8 P# s$ A * 27 - Undervoltage Relay
6 B/ `8 s8 I2 l * 29 - Isolating Contactor, C. l- d( [. {' K/ t/ X4 l
* 30 - Annunciator Relay
4 W- G1 G5 v$ s" h * 32 - Directional Power Relay G- X1 [ H4 _# R0 j& p
* 36 - Polarity or Polarizing Voltage Devices+ [1 ], r. ^2 b- y2 A1 [% T
* 37 - Undercurrent or Underpower Relay" G9 x0 K4 p- F+ l0 V6 w
* 38 - Bearing Protective Device2 _% S# _7 Z' R# t
* 39 - Mechanical Conduction Monitor7 O8 M) W, T* }
* 40 - Field Relay5 l8 p$ d! P7 D b$ ]
* 41 - Field Circuit Breaker
0 Q7 }; I" {- u- G) @( |2 b * 42 - Running Circuit Breaker
0 M: ]" b$ m; X5 x' d3 C * 43 - Manual Transfer or Selector Device7 M" ~9 M& e: R& J* a k6 H( I
* 46 - Reverse-phase or Phase-Balance Relay
# L& }/ l$ j( e- k/ A * 47 - Phase-Sequence Voltage Relay
1 U0 f8 \, E; Y; U1 Z( ] * 48 - Incomplete-Sequence Relay
/ s1 P' }! K e- }2 y1 W2 z * 49 - Machine or Transformer Thermal Relay! }2 ]3 Z" D9 {5 U2 P5 w+ c( h
* 50 - Instantaneous Overcurrent1 O& ?. X4 _+ X' Q. [$ z
* 51 - AC Time Overcurrent Relay
$ H* J0 s6 v4 g) ? * 52 - AC Circuit Breaker
( C A8 T) z. B+ d * 53 - Exciter or DC Generator Relay
9 Z8 ^6 i7 d4 {+ F M: S7 v * 54 - High-Speed DC Circuit Breaker- r4 z* v. n* r
* 55 - Power Factor Relay7 Z/ Q5 k) ?/ p, F' S& Y- K
* 56 - Field Application Relay
% ~/ g) v# k; W, P) ]) @ * 59 - Overvoltage Relay- |8 J( G! P/ |3 Y! F+ A
* 60 - Voltage or Current Balance Relay
/ {$ O2 n$ [2 T3 g3 `6 l * 61 - Machine Split Phase Current Balance7 q }, G9 X1 X) H
* 62 - Time-Delay Stopping or Opening Relay
6 V+ |9 g( B2 F$ B* X* K * 63 - Pressure Switch- O) {' b! v( y) s2 A# w
* 64 - Ground Detector Relay: c5 t j+ W5 Z7 z& ?, i
* 65 - Governor. R+ d, F [8 O) F$ R
* 66 - Starts per Hour& ~- ]7 m }1 `1 K, f$ _
* 67 - AC Directional Overcurrent Relay
$ w% }- d( n4 ~ * 68 - Blocking Relay2 Q8 D1 a$ I ~: ?
* 69 - Permissive Control Device% K8 |# z: p/ F( K6 ~& \, y
* 71 - Level Switch
' P3 k2 k9 _# ? * 72 - DC Circuit Breaker' T0 F6 x7 g8 z- E5 X2 Y
* 74 - Alarm Relay
9 V5 E9 l0 o0 f/ J * 75 - Position Changing Mechanism+ s% J6 |6 G, n1 z, U3 m
* 76 - DC Overcurrent Relay
! C: ?/ E! P' ]7 \5 t& s3 ~ m * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
4 {" g1 U% `' e4 E$ h * 79 - AC-Reclosing Relay
$ E( y2 A7 ? C% e2 {- c * 81 - Frequency Relay k- A3 _% X: `$ M6 s
* 83 - Automatic Selective Control or Transfer Relay/ Y% x, \) O! h& M9 k; j, q1 e6 ` C
* 84 - Operating Mechanism
( N7 G5 F$ x1 h4 k) H0 g! ~, J+ } * 85 - Carrier or Pilot-Wire Receiver Relay) K+ X% ]1 d6 ?( v* x0 X
* 86 - Lockout Relay6 G2 P5 ~6 B# k: q# _" H1 f
* 87 - Differential Protective Relay
8 [& {& T) _3 W1 U% ^ * 89 - Line Switch. v/ n# @! D5 U8 |) F3 t6 Z
* 90 - Regulating Device N7 F9 j: F3 h5 z3 D+ g5 a
* 91 - Voltage Directional Relay
6 F+ |$ ^ G2 {! k * 92 - Voltage and Power Directional Relay N/ ~! s, f3 S! j+ K
* 94 - Tripping or Trip-Free Relay
* o9 A1 a$ L; g2 ]- C- X * 95 - Reluctance Torque Synchrocheck( b6 V2 E2 F/ h0 n0 T0 r
* 96 - Autoloading Relay |
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