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List of Device Numbers5 z ~" K* a* w" n( \* h; X- D0 G
Click to learn more...# X- g; _/ F5 \, I
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* 1 - Master Element
1 t. U. X/ }# y( C- P) l$ |0 @- y * 2 - Time Delay Starting or Closing Relay
( ]( Q) v! I+ f* g. ^7 A * 3 - Checking or Interlocking Relay. f2 P) H q: O6 B
* 4 - Master Contactor
7 B; k4 R/ n/ o$ Z0 t( } * 5 - Stopping Device
! u" O' Y( V, {/ @5 N& @ * 6 - Starting Circuit Breaker m4 u" d3 f8 y7 Z( y/ [
* 7 - Anode Circuit Breaker& v e3 t$ H9 D8 P7 s+ y
* 8 - Control Power Disconnecting Device
- \$ ]. N% O! m" ?5 c# V& F * 9 - Reversing Device
L. `* u: P& E- d9 U" l9 B) ~ * 10 - Unit Sequence Switch
o8 C. e5 f) b& d * 12 - Overspeed Device
! G% i; P4 F. W; K' u! ]+ z& U * 13 - Synchronous-speed Device3 q9 T& u" \8 c- Y! v
* 14 - Underspeed Device
6 @4 S* W' Q1 H- W * 15 - Speed - or Frequency-Matching Device* U, v! s2 I; I( L
* 21 - Distance Relay+ z O# {% [( h# s
* 23 - Temperature Control Device e" r: {" O* s* \ @
* 25 - Synchronizing or Synchronism-Check Device
/ l% V# C) e. z# R" o * 26 - Apparatus Thermal Device% i( i: D0 y5 t4 U; P5 W
* 27 - Undervoltage Relay! c; k$ s2 d4 x4 \, g
* 29 - Isolating Contactor2 b8 P+ V5 a! q2 s
* 30 - Annunciator Relay- M+ N$ _: E& ]- h1 S5 m% H( ]
* 32 - Directional Power Relay0 r, i+ p- \# o; Q3 m% m8 @: J) ?
* 36 - Polarity or Polarizing Voltage Devices
. J% H; y3 ^% O4 K3 d2 `( f) W * 37 - Undercurrent or Underpower Relay
& W1 s7 y9 l+ Y+ p6 e * 38 - Bearing Protective Device
! L9 \- C# a5 O- H * 39 - Mechanical Conduction Monitor
0 T+ y: \ N y( [ * 40 - Field Relay. J/ F. ^: i7 n) s0 X2 y! d; d9 {
* 41 - Field Circuit Breaker
1 E2 F6 x3 _) w4 w+ E7 N) R# [ * 42 - Running Circuit Breaker. L5 C9 I# {) R" K P) |6 D2 \2 I
* 43 - Manual Transfer or Selector Device; v2 I* [3 A: N0 P$ Q8 T+ {
* 46 - Reverse-phase or Phase-Balance Relay; N9 o Z( c' y7 R) g
* 47 - Phase-Sequence Voltage Relay( {/ }: B" l+ Z, v) s% L& j) M
* 48 - Incomplete-Sequence Relay
3 ^' |9 l- R! `. L9 @5 `+ R* {) R * 49 - Machine or Transformer Thermal Relay: P9 u9 O7 D& Y) P! Q
* 50 - Instantaneous Overcurrent5 e; }' N, B5 q3 h0 g, E. r( \7 I
* 51 - AC Time Overcurrent Relay
: [( e/ Z& y1 G * 52 - AC Circuit Breaker! a. O) ~7 o3 S, A- k5 k- K- n
* 53 - Exciter or DC Generator Relay/ t( R/ `2 z* {0 u: Z
* 54 - High-Speed DC Circuit Breaker
_9 U% F! w6 |" {7 O Q/ q * 55 - Power Factor Relay$ z% z$ [- h( o6 T- n/ }
* 56 - Field Application Relay$ g" ~4 A; L9 i1 ?! Y' Y0 s
* 59 - Overvoltage Relay
3 }/ u! |! K8 O* K5 S i) J7 J * 60 - Voltage or Current Balance Relay |! ~# }* N0 d
* 61 - Machine Split Phase Current Balance
- @& h, g8 L- c/ c# } * 62 - Time-Delay Stopping or Opening Relay$ L. O$ J. I$ g& `+ t( P# s+ n
* 63 - Pressure Switch
7 q5 I, T- B: {: r * 64 - Ground Detector Relay6 r8 S# p# Q6 s+ F2 A; Z
* 65 - Governor
* p1 N4 v! Y! r% D. X# [ * 66 - Starts per Hour; J# w1 b0 `. \" V4 H3 k! r m/ c
* 67 - AC Directional Overcurrent Relay* m( v1 L; q/ b7 ]" ?6 t
* 68 - Blocking Relay2 W% g4 j* _/ u
* 69 - Permissive Control Device! D6 N* J/ c3 ] @0 M
* 71 - Level Switch
; S/ @7 T3 c7 ?$ q * 72 - DC Circuit Breaker
& ^, ]2 P5 A. M* [( E, B * 74 - Alarm Relay7 a) K0 O- n3 p1 q0 J
* 75 - Position Changing Mechanism7 ?+ z) e H$ k
* 76 - DC Overcurrent Relay% p2 h( q+ H n8 \! t( a/ q) t
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
% a0 ~- X" T- H7 q( ^+ e7 b( T% p * 79 - AC-Reclosing Relay& x; d8 j7 Y# G( _, r. q
* 81 - Frequency Relay% U' h0 v. l4 c+ D6 i
* 83 - Automatic Selective Control or Transfer Relay
% J, I9 H- g6 P/ Z x * 84 - Operating Mechanism+ M9 j' x8 y( @5 E( f& H4 I
* 85 - Carrier or Pilot-Wire Receiver Relay6 @, O" @6 u O8 m$ W6 b
* 86 - Lockout Relay( L6 B" p3 {3 l+ U+ s
* 87 - Differential Protective Relay
% m" k5 _7 `. D0 V M * 89 - Line Switch
+ Q4 |. O, ~8 g * 90 - Regulating Device
8 N7 C. J" }' k! H% Z * 91 - Voltage Directional Relay
, K% b+ P- r W * 92 - Voltage and Power Directional Relay$ e" o5 P5 y R
* 94 - Tripping or Trip-Free Relay
, ~ b' r; s( c3 ]. p * 95 - Reluctance Torque Synchrocheck' \+ L; q/ `7 J) |+ ` p& U i
* 96 - Autoloading Relay |
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