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List of Device Numbers
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' C8 _( p: V0 m8 ~' @7 ` * 1 - Master Element9 k, ~2 W- k% m5 X
* 2 - Time Delay Starting or Closing Relay
* u- j& c# L" \5 G0 _ * 3 - Checking or Interlocking Relay
4 F& h2 b1 Q, Y% l2 n0 S2 f5 b* [ * 4 - Master Contactor
# Y$ T4 l: v) c. z( B! v * 5 - Stopping Device
& b- r. Z; {1 R1 S * 6 - Starting Circuit Breaker
2 p) _2 [2 @0 T" Q" b* f * 7 - Anode Circuit Breaker- ?; @) w1 e& f) N5 j. W
* 8 - Control Power Disconnecting Device
7 \) \$ v L( r * 9 - Reversing Device
- _1 R, o G2 F- L" U * 10 - Unit Sequence Switch$ u1 |8 u$ A7 m! a8 X; a$ @: s( F
* 12 - Overspeed Device
, u7 c2 |$ k7 L( G! x) @9 ]" u * 13 - Synchronous-speed Device- S1 x: A3 B, a4 r, G$ Y
* 14 - Underspeed Device, ^, \. m3 `/ |# s- b" r* J# S
* 15 - Speed - or Frequency-Matching Device. p" u! _" c6 h e! H9 D% n/ w
* 21 - Distance Relay
0 W1 h# x: }0 A6 Y. @1 T * 23 - Temperature Control Device
" p# t8 b% o0 \" H# t4 L. \6 P5 y * 25 - Synchronizing or Synchronism-Check Device
5 T& @+ n+ G; e+ p( k3 Z* Z * 26 - Apparatus Thermal Device9 G& U9 y. A3 E- g6 |
* 27 - Undervoltage Relay3 T5 l8 N% i! J* l* s( r# a
* 29 - Isolating Contactor
) H+ D+ a. [/ F" o * 30 - Annunciator Relay
# ]- }5 B* S; X1 z8 y; o * 32 - Directional Power Relay
& c. @% I- b9 k% c4 i3 d * 36 - Polarity or Polarizing Voltage Devices
& ^6 p$ b" a2 T5 F' t * 37 - Undercurrent or Underpower Relay' N. X/ H2 l! n& s
* 38 - Bearing Protective Device
9 R4 Z5 s! M% ]$ Q6 [- d * 39 - Mechanical Conduction Monitor
! Q% i' K' u$ s$ J% U% z * 40 - Field Relay
' j% T4 u% O/ ^* V1 S0 F * 41 - Field Circuit Breaker
, I1 d0 {( s: S* h9 |2 y% [# {4 x * 42 - Running Circuit Breaker
+ p) w1 w* F4 b0 g * 43 - Manual Transfer or Selector Device0 x* |& `* y; ?* h B
* 46 - Reverse-phase or Phase-Balance Relay
$ A* d. `' [8 [& |+ } * 47 - Phase-Sequence Voltage Relay7 [ ?+ B: M+ i+ x g ^' B
* 48 - Incomplete-Sequence Relay
) D0 Y4 F- e: z3 z+ e$ b2 r5 N * 49 - Machine or Transformer Thermal Relay
5 s6 k: W3 f/ i, X4 R2 O * 50 - Instantaneous Overcurrent7 ]% s. o! n, H+ ~/ m
* 51 - AC Time Overcurrent Relay/ B+ |% ]# N- Z8 L/ H
* 52 - AC Circuit Breaker/ X1 T3 ?8 o5 A2 W5 W, M$ k& O$ g
* 53 - Exciter or DC Generator Relay
- X- z8 j" L4 x; C3 Q+ B * 54 - High-Speed DC Circuit Breaker! v( W5 y4 D, [0 F+ W. V
* 55 - Power Factor Relay: Q3 e& Z* w! L
* 56 - Field Application Relay
$ Z2 h: h' U( `$ i9 c * 59 - Overvoltage Relay
7 m& K8 _% F( {4 ?, j* m; s' |5 D * 60 - Voltage or Current Balance Relay7 Q! P+ j8 p; D$ M/ k
* 61 - Machine Split Phase Current Balance- b! O: Q7 a0 {3 k
* 62 - Time-Delay Stopping or Opening Relay
, u: B! q' M( n( ?1 \! q * 63 - Pressure Switch7 S" G5 E2 |& p0 l5 e3 U+ G- @
* 64 - Ground Detector Relay
3 a$ Q8 n5 R+ c4 Q+ {6 Q2 ~ * 65 - Governor
) ^) X- D7 ~7 ?% ` * 66 - Starts per Hour
% p8 d/ c4 m6 V$ M/ L4 G. m * 67 - AC Directional Overcurrent Relay) `2 ]- S0 _4 T, _
* 68 - Blocking Relay
( U9 H+ n- @: f# N- }8 e * 69 - Permissive Control Device
4 B* [* K. P8 _ * 71 - Level Switch7 L. r6 c0 C" T/ C, o4 t
* 72 - DC Circuit Breaker6 r# a' y% m2 f4 J) g4 {- e4 L* k5 g% a
* 74 - Alarm Relay
9 u" l9 b; @' y) y! j' T * 75 - Position Changing Mechanism
2 Y m' f% i0 e3 }) z1 @ * 76 - DC Overcurrent Relay# m \; n7 R' M" z* v5 c
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
$ L! g; J6 m8 b7 Q K * 79 - AC-Reclosing Relay
' A" ]) x+ q+ z6 Z, l$ w6 w * 81 - Frequency Relay
& I5 b8 M. P: p5 Q$ b- `* l2 O3 s * 83 - Automatic Selective Control or Transfer Relay
5 t$ H) b1 |9 `' g * 84 - Operating Mechanism
, S# x* D( N" l* X6 U% e * 85 - Carrier or Pilot-Wire Receiver Relay
( j [/ n& l6 V" E$ `" E6 m * 86 - Lockout Relay* s* K. }9 ?1 n! S5 k0 m/ z, v
* 87 - Differential Protective Relay4 q; L& [. ]. _: H
* 89 - Line Switch
* [ P$ s2 W3 c1 T * 90 - Regulating Device$ N3 Z% H+ C C1 k+ B
* 91 - Voltage Directional Relay
, P3 R; Z3 p7 h3 s1 {/ x * 92 - Voltage and Power Directional Relay
2 O8 E9 r! ?0 ]% Z9 L( O0 d * 94 - Tripping or Trip-Free Relay
2 K! c+ n3 e% G. f1 [ * 95 - Reluctance Torque Synchrocheck- q- a/ [* v# u3 O; ~6 l) B
* 96 - Autoloading Relay |
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