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List of Device Numbers
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* 1 - Master Element+ |; A! X7 W: x4 V
* 2 - Time Delay Starting or Closing Relay7 c, X$ X9 ?7 `0 h8 Y* b
* 3 - Checking or Interlocking Relay
) x9 B; _3 Q, X, s* `& V * 4 - Master Contactor
) C6 H5 n" D: N! @) B * 5 - Stopping Device
' b+ b% `3 T' [) B4 v * 6 - Starting Circuit Breaker
9 j& l- p' @5 Y1 {, V: y7 b* Z * 7 - Anode Circuit Breaker T' b6 o; `- U! ~9 e
* 8 - Control Power Disconnecting Device1 O E) B* ?/ s/ e: R' n
* 9 - Reversing Device5 p7 t+ V6 x4 g# G# x# v% K
* 10 - Unit Sequence Switch
8 N: k) r& E5 `$ P- o: o * 12 - Overspeed Device
% O c' e$ m! u% S& y% _: K. O: V * 13 - Synchronous-speed Device
' @% g& [7 }+ l * 14 - Underspeed Device
" B! x5 {1 j$ b% x. G$ C: b * 15 - Speed - or Frequency-Matching Device
l1 K% |) U2 i) t1 E" l * 21 - Distance Relay# S" s" r6 a; x* V2 G
* 23 - Temperature Control Device
/ t* X9 R6 j# W& l! w * 25 - Synchronizing or Synchronism-Check Device
8 `+ C! x& [* l: @8 |4 p2 Q * 26 - Apparatus Thermal Device% n# x# l: b+ Z8 i) X$ S7 J
* 27 - Undervoltage Relay5 R& ^$ j1 j% l4 l
* 29 - Isolating Contactor% A ?& E' ^3 y& O# L) c: o* E
* 30 - Annunciator Relay4 J, `* O0 W. A! ]! W! c) R
* 32 - Directional Power Relay* \6 Z0 j1 N$ p7 p7 H
* 36 - Polarity or Polarizing Voltage Devices
- a: X# ]2 c. N: }$ b * 37 - Undercurrent or Underpower Relay
# m6 {5 P1 I% m# F8 |( c * 38 - Bearing Protective Device
0 t' Q/ _$ k5 j3 {, O& A * 39 - Mechanical Conduction Monitor$ ]1 e( o/ x! N
* 40 - Field Relay3 ?' r9 }: O. d# k# i) ?& P
* 41 - Field Circuit Breaker
0 q% k0 D2 _) D. l * 42 - Running Circuit Breaker2 y* I8 N! }, z+ r
* 43 - Manual Transfer or Selector Device/ ?$ g1 a6 f+ s5 p3 ~$ p. ^: b, D
* 46 - Reverse-phase or Phase-Balance Relay2 I0 u- F* n: h
* 47 - Phase-Sequence Voltage Relay9 u# L; m( w5 V X9 N
* 48 - Incomplete-Sequence Relay
4 O3 [. H/ [+ ^; F- T * 49 - Machine or Transformer Thermal Relay
, W9 d" G6 _& r0 a R$ f * 50 - Instantaneous Overcurrent
# I" D8 ^% K I+ D * 51 - AC Time Overcurrent Relay
* G" F7 p9 k1 C9 U, D$ \$ A * 52 - AC Circuit Breaker- f. Z* h3 J2 Z
* 53 - Exciter or DC Generator Relay2 R+ K5 I Q0 ]8 f
* 54 - High-Speed DC Circuit Breaker: h% Y& l5 K' s0 u& w i- |
* 55 - Power Factor Relay
3 B% n5 C6 A' s) s+ i. ~ * 56 - Field Application Relay
4 A4 O( m6 k+ \- k * 59 - Overvoltage Relay5 O; o" b" C1 V+ K' Z* `
* 60 - Voltage or Current Balance Relay8 I2 A: p' k+ ^ D/ x# o% B
* 61 - Machine Split Phase Current Balance
. G8 }6 _+ L1 u; P' h% H* B * 62 - Time-Delay Stopping or Opening Relay
. \/ i. h9 s+ z. u9 Y( w$ @ * 63 - Pressure Switch
7 N- |, U7 i' a * 64 - Ground Detector Relay
/ k) e( l* d+ N; @2 l * 65 - Governor
) z) v) Z4 [9 z9 H * 66 - Starts per Hour
8 i% _% ^ Q" j1 `" s+ a * 67 - AC Directional Overcurrent Relay# g0 b, W/ C+ o8 X
* 68 - Blocking Relay
, F0 f( o1 _& q9 F* i2 W# k * 69 - Permissive Control Device3 }* _' K Q3 I2 A6 n; b y# n$ ^8 w
* 71 - Level Switch: Y7 ^- T1 b' b7 B7 J+ M( p
* 72 - DC Circuit Breaker' w+ C! Z1 v- i1 v) m4 ~. o5 X
* 74 - Alarm Relay
" E. P$ l1 }( v * 75 - Position Changing Mechanism) J. f" Y6 h5 R+ n. Q* h- r
* 76 - DC Overcurrent Relay/ C' T& b$ z# t, g
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
* R1 t. H8 h% Z. L- @% E * 79 - AC-Reclosing Relay, D. O$ m8 x" J6 X' b2 t: N
* 81 - Frequency Relay
. u8 S5 X/ N2 ?2 p( \ * 83 - Automatic Selective Control or Transfer Relay& J. s. P5 N$ j2 H. [
* 84 - Operating Mechanism; `% j' b v; }4 Z- ]: `, q
* 85 - Carrier or Pilot-Wire Receiver Relay
4 S1 V3 F" C0 m * 86 - Lockout Relay
7 y0 x [; U# k2 D6 H3 z( i * 87 - Differential Protective Relay
( J4 y- i3 q$ b0 Y' G, T$ B7 P1 A * 89 - Line Switch
! l& s9 R9 @+ t7 ?# b+ O1 X * 90 - Regulating Device
# ]& ~, L! R" a * 91 - Voltage Directional Relay
* B# N) m" W- O6 {, J' | * 92 - Voltage and Power Directional Relay( @+ }4 N4 q4 v" z Z0 v3 D1 ?
* 94 - Tripping or Trip-Free Relay, f3 r$ E1 B) ]5 p9 `7 R+ W% E' s
* 95 - Reluctance Torque Synchrocheck8 T) x; R! e6 S9 K8 `
* 96 - Autoloading Relay |
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