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List of Device Numbers1 q2 U% c2 k% \$ V, w2 I9 @) A) `
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* 1 - Master Element4 F" @+ [! a; ]. U$ {4 `
* 2 - Time Delay Starting or Closing Relay
2 K8 [5 q; S* z6 \# b% k * 3 - Checking or Interlocking Relay
. ]4 ~( i8 X C, h$ b H i * 4 - Master Contactor
. T) U( N( \( m6 f5 `( M * 5 - Stopping Device+ ?$ W4 Q3 a7 V8 e) K
* 6 - Starting Circuit Breaker
: |. h' W0 A& | * 7 - Anode Circuit Breaker
1 R4 X+ u4 t9 H- T- E4 ? * 8 - Control Power Disconnecting Device" a& I" |1 r0 C
* 9 - Reversing Device
- F4 \! p& l3 _0 m2 @" z4 A4 q * 10 - Unit Sequence Switch
* h6 O2 D5 y' O- e8 t * 12 - Overspeed Device
" i! Z- s9 H+ l! A# H* P7 J * 13 - Synchronous-speed Device3 k* e) X- `6 G/ H' Y! A
* 14 - Underspeed Device
/ d1 X: y/ r5 u# }% ~. R * 15 - Speed - or Frequency-Matching Device
8 M& m- d- v- E: Z/ n4 s9 L+ M * 21 - Distance Relay* t/ r4 e0 M4 W! m! b" b3 z, X5 @
* 23 - Temperature Control Device
8 Q& x6 J. E. O7 Y% o * 25 - Synchronizing or Synchronism-Check Device S5 ~1 D$ `& ? E8 _
* 26 - Apparatus Thermal Device5 g7 q1 b5 j1 M+ Z( J, s" E
* 27 - Undervoltage Relay4 x' ]. L' E6 l) y. Z1 K/ ~2 a
* 29 - Isolating Contactor
8 ?! g' ]2 c9 F# ~* T( d$ q( l * 30 - Annunciator Relay/ k; a6 x) z0 P x9 W
* 32 - Directional Power Relay2 e9 N& Y* O9 _
* 36 - Polarity or Polarizing Voltage Devices2 q$ V B. X9 s) y
* 37 - Undercurrent or Underpower Relay: `/ a% G2 u9 h
* 38 - Bearing Protective Device
( {% I+ {+ C3 i * 39 - Mechanical Conduction Monitor! k' i5 ~5 b/ {# e: }6 [
* 40 - Field Relay( G3 Z) ^7 y9 e7 M3 i
* 41 - Field Circuit Breaker: b' n+ l" g/ U/ ?8 p9 j
* 42 - Running Circuit Breaker
$ O7 k2 Y1 d, D7 v) k! K0 e * 43 - Manual Transfer or Selector Device
% Q. Y2 Q. D/ d) o# c. |4 D * 46 - Reverse-phase or Phase-Balance Relay+ k) w' u" Y+ |; s
* 47 - Phase-Sequence Voltage Relay# e* a5 W! C$ ]
* 48 - Incomplete-Sequence Relay! c2 w$ Z o, l0 q( m
* 49 - Machine or Transformer Thermal Relay% ?2 n a9 e" M/ w7 C
* 50 - Instantaneous Overcurrent! @9 U& f) {3 P' |/ q' K7 b, \5 e8 R
* 51 - AC Time Overcurrent Relay
4 O; [% y/ u5 f * 52 - AC Circuit Breaker
1 U8 T/ P' D& I * 53 - Exciter or DC Generator Relay t- I9 `4 V8 }) a8 Q. q! |. z
* 54 - High-Speed DC Circuit Breaker0 J3 H z j; s
* 55 - Power Factor Relay0 h1 q( i% V: Y
* 56 - Field Application Relay
8 T2 I! w/ [# {# D* H- d * 59 - Overvoltage Relay8 c2 o5 V( e7 ^0 V
* 60 - Voltage or Current Balance Relay$ G# B5 y: X& Z; u5 G8 W. v$ M
* 61 - Machine Split Phase Current Balance
% R& E b& u( f! T5 k5 h * 62 - Time-Delay Stopping or Opening Relay
+ F# o0 o2 O! N1 {, c. h1 K * 63 - Pressure Switch) Q* [% l' d: S* S: W5 w9 H" W
* 64 - Ground Detector Relay& M, I6 Q9 H4 `& U4 O
* 65 - Governor
# R2 F- R% T0 ~; D( {: w. n# `$ l0 C * 66 - Starts per Hour
% ?7 x, g+ S1 t }, b * 67 - AC Directional Overcurrent Relay0 [' h5 H R3 I
* 68 - Blocking Relay
' `4 Y8 N' w- @% g" _+ ? * 69 - Permissive Control Device
1 h' B9 f$ _, M% [. t, J ] * 71 - Level Switch" v5 o+ T0 y, d- u' j
* 72 - DC Circuit Breaker0 c+ s2 d- ?, d- U
* 74 - Alarm Relay7 Z8 e2 \0 G1 J
* 75 - Position Changing Mechanism
& ^9 a3 B/ I' i# G; E5 c * 76 - DC Overcurrent Relay$ T. p8 d) ]6 [" G
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay, B/ r5 V2 @0 e) i" f
* 79 - AC-Reclosing Relay0 R B0 [3 q2 d0 A' P
* 81 - Frequency Relay; J( p& O7 k! V" P" U* L. D
* 83 - Automatic Selective Control or Transfer Relay
1 Y$ w' T& U$ F y * 84 - Operating Mechanism
1 ~* w+ T1 e: R. T' d- E * 85 - Carrier or Pilot-Wire Receiver Relay0 {/ z3 w( a" b* W" P6 r
* 86 - Lockout Relay
$ ^# q5 _0 Q+ U* O * 87 - Differential Protective Relay( T! G) f& T1 |; f- R
* 89 - Line Switch& ?6 n/ e- {/ q6 `3 ]; B- x# I) V
* 90 - Regulating Device$ Z9 F: ]6 q5 E$ J
* 91 - Voltage Directional Relay0 c5 D3 F, G4 |" Y, c0 D4 P
* 92 - Voltage and Power Directional Relay
9 o8 S/ d6 D* r: ~3 T" j, a * 94 - Tripping or Trip-Free Relay
( M) S8 E7 L7 o% m/ y * 95 - Reluctance Torque Synchrocheck
' X: b! h9 y( h1 \0 @ * 96 - Autoloading Relay |
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