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List of Device Numbers
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9 e" ?. [$ v& {+ d5 R) j7 z9 ]) D& @* G) z3 D- _! X6 ]8 {' y
* 1 - Master Element
( e! Y- p W" v. R * 2 - Time Delay Starting or Closing Relay" j. X; E. j# |1 @, I
* 3 - Checking or Interlocking Relay
* @' t. x, t2 P' X) q8 l * 4 - Master Contactor
7 ?) T# \; e0 ^! P* x7 {* X- f9 Z/ i * 5 - Stopping Device
0 ]2 r4 D- W" p* w+ v n. T2 l' Z * 6 - Starting Circuit Breaker% Y" E; a5 ]; G: `9 Y! L' Z
* 7 - Anode Circuit Breaker
0 \* R+ y w6 E * 8 - Control Power Disconnecting Device! g0 J" |! Z; R. K/ a6 T3 h
* 9 - Reversing Device5 Q4 l$ s) Z) H4 @5 G
* 10 - Unit Sequence Switch
! s' @0 g* o5 z0 x8 ^ * 12 - Overspeed Device9 V }- O9 W8 v3 d
* 13 - Synchronous-speed Device$ i6 W" h/ M1 ]9 U7 r0 L
* 14 - Underspeed Device4 [" ^6 ?0 j) x) A, ^; ^
* 15 - Speed - or Frequency-Matching Device( C! ?* b; D$ B" ?/ }7 H4 l
* 21 - Distance Relay1 f! G! q8 ~: t
* 23 - Temperature Control Device9 c4 @+ ]! K: V- z
* 25 - Synchronizing or Synchronism-Check Device+ x* _' O- h$ `& y0 Q0 D* H
* 26 - Apparatus Thermal Device
8 ~- X3 V# [, X3 U+ ?3 v0 F# [( F * 27 - Undervoltage Relay
, A0 n7 z: Q7 l; k/ Y' _# h! X * 29 - Isolating Contactor
1 Y' }+ g* R: ~/ u: \ * 30 - Annunciator Relay
& V+ ? d5 E6 p! _& T: Y" L. h * 32 - Directional Power Relay- a- {6 _% E/ S. ]0 m9 \
* 36 - Polarity or Polarizing Voltage Devices* t7 J8 P' w8 M3 g
* 37 - Undercurrent or Underpower Relay
0 a# G3 [' {- E$ q& D * 38 - Bearing Protective Device
) Y6 @6 `1 s8 [6 ~! \. U * 39 - Mechanical Conduction Monitor
( n9 z8 i: j. x4 t * 40 - Field Relay" p- H# W4 n- \5 \; U
* 41 - Field Circuit Breaker
' ]+ T9 ?& m1 V* m4 |6 W * 42 - Running Circuit Breaker
/ V) X/ ]3 a4 n3 u* m. U3 W * 43 - Manual Transfer or Selector Device
' }, ^% M. a( S8 m& [& f# m9 _ * 46 - Reverse-phase or Phase-Balance Relay9 I6 W9 P: o* K/ c- Q; J" b V+ f
* 47 - Phase-Sequence Voltage Relay: w* @4 z" l) F' L5 w
* 48 - Incomplete-Sequence Relay
9 [3 _, P6 v9 n. B * 49 - Machine or Transformer Thermal Relay
, _6 A5 x' O# ~ * 50 - Instantaneous Overcurrent6 R9 T% ^) K( J. K2 |3 Z* V
* 51 - AC Time Overcurrent Relay* A, C) X' y4 C
* 52 - AC Circuit Breaker
) A/ v: O* S9 \6 Y * 53 - Exciter or DC Generator Relay
3 ?: k, X! O# _6 K * 54 - High-Speed DC Circuit Breaker
: [7 y/ H& Q7 o' y# Z& x$ O * 55 - Power Factor Relay6 D) ~# T! F7 o6 P" ~. N
* 56 - Field Application Relay% {/ n% D+ m: M2 K& {
* 59 - Overvoltage Relay
1 B: |; L7 b0 Q4 w, r8 w * 60 - Voltage or Current Balance Relay" X4 Z- l# D1 t6 G! k
* 61 - Machine Split Phase Current Balance ^2 j8 z+ l/ A6 H7 p! C; u& S
* 62 - Time-Delay Stopping or Opening Relay
3 \4 u7 @/ c3 j2 k( Y4 a2 U8 \7 N * 63 - Pressure Switch2 Z7 e6 \" i4 R5 n5 D
* 64 - Ground Detector Relay
0 M8 d) }$ {. y" k6 M* u * 65 - Governor6 t: l' k# w m" a
* 66 - Starts per Hour5 @$ [+ I/ M1 ~; X4 m
* 67 - AC Directional Overcurrent Relay
" M* U+ N7 y1 w# V9 i1 M * 68 - Blocking Relay
- x2 o a, G" E$ | * 69 - Permissive Control Device8 x) G9 O% t4 R/ ~- D- R& P+ o
* 71 - Level Switch
& c' J' N) } l* r6 {. } * 72 - DC Circuit Breaker
: u3 x, p. w' t/ x- o * 74 - Alarm Relay6 }7 p* D2 O8 {5 U7 M5 B
* 75 - Position Changing Mechanism
% s* [ U+ Y/ l * 76 - DC Overcurrent Relay
, e8 T8 O( _6 h# |% P0 w U * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay0 g' S5 S6 {# E% o" o7 K
* 79 - AC-Reclosing Relay
1 X* A k- [" N! ^$ A7 a n* I * 81 - Frequency Relay
X, I, Y, x* n1 W7 l6 Z * 83 - Automatic Selective Control or Transfer Relay3 k, L; ]9 _! f# o0 a; n
* 84 - Operating Mechanism
) f" J- m% h+ b9 g * 85 - Carrier or Pilot-Wire Receiver Relay
, L/ y. T6 c; N$ g5 d * 86 - Lockout Relay
5 o8 r% f t$ [& k * 87 - Differential Protective Relay3 S3 r8 F# P; E% z9 n
* 89 - Line Switch
0 ~& _. o. s8 T/ L1 e$ ` L * 90 - Regulating Device4 U7 p! L- C% i1 q( I0 Q
* 91 - Voltage Directional Relay
/ l' P5 J, X, b8 K- _ * 92 - Voltage and Power Directional Relay9 ]: P4 a4 |+ t& \4 u/ e- k
* 94 - Tripping or Trip-Free Relay C7 t5 @4 o% Z t0 _
* 95 - Reluctance Torque Synchrocheck. m% {" z5 ?: h X3 E% ~4 R
* 96 - Autoloading Relay |
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