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List of Device Numbers2 V# _5 b1 K0 n! ^
Click to learn more...: _6 |. n" e7 v) h1 D2 [, i
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* 1 - Master Element" V5 i5 H8 O9 ?' U# o# Y, p/ Q8 m
* 2 - Time Delay Starting or Closing Relay
0 m W) A9 j) G/ ~/ j" A! ~) @4 ? * 3 - Checking or Interlocking Relay
! |+ N4 U6 u( _. a6 A, i * 4 - Master Contactor
+ G+ u: s( @8 p, n; F) ] * 5 - Stopping Device
: Z3 }* D% G5 c1 F9 u% F' u; r: z2 I * 6 - Starting Circuit Breaker
! z1 x0 `# S. W+ _8 i. w * 7 - Anode Circuit Breaker
$ o; g1 D+ l, h+ j2 A# c * 8 - Control Power Disconnecting Device
! n6 p! A# F4 k * 9 - Reversing Device6 S* P2 p% L- k
* 10 - Unit Sequence Switch
; f' I' |5 u7 E3 L5 V * 12 - Overspeed Device# e2 {. ~' B8 k
* 13 - Synchronous-speed Device C _. B+ B- f
* 14 - Underspeed Device
! s) k; a+ a+ U5 R3 |* L4 u& f! r1 M * 15 - Speed - or Frequency-Matching Device* s8 L0 F9 @1 Y) E4 T
* 21 - Distance Relay8 P, u# y" p) m+ f
* 23 - Temperature Control Device& v! Q! @, k. H- P0 J' n' c/ @ `
* 25 - Synchronizing or Synchronism-Check Device* ^7 Y2 I' Q3 ^7 k6 Y- M8 l7 ~
* 26 - Apparatus Thermal Device5 I0 p/ O& a6 S
* 27 - Undervoltage Relay2 g% x! v6 ^' `- C: K* _
* 29 - Isolating Contactor& e4 h. [9 }& r( E0 o$ y* w
* 30 - Annunciator Relay l8 J, d5 P3 L$ s5 _* y7 w; t
* 32 - Directional Power Relay
, O- C4 n' y2 a) ~0 e! @* A * 36 - Polarity or Polarizing Voltage Devices
7 W4 h1 |8 s; s- s6 C * 37 - Undercurrent or Underpower Relay8 g- ^+ _+ v6 |
* 38 - Bearing Protective Device
) N+ t) g! b! K' x3 ~ * 39 - Mechanical Conduction Monitor
) ~/ E, b0 p9 ?6 _ * 40 - Field Relay
$ }! Q! O5 x9 p1 L. ~: N * 41 - Field Circuit Breaker O- l3 D* s0 k9 h" \; [3 ~
* 42 - Running Circuit Breaker
U7 e7 n# j1 x8 C6 b * 43 - Manual Transfer or Selector Device9 i: f' {6 v+ y1 H, x' }
* 46 - Reverse-phase or Phase-Balance Relay5 a; M0 `) H) o. e7 A P2 X: F
* 47 - Phase-Sequence Voltage Relay
) y Q, _2 m, w * 48 - Incomplete-Sequence Relay
$ |( M4 M1 M, x6 h) M, H" N. I+ D) J * 49 - Machine or Transformer Thermal Relay D6 A O4 z% r i, z
* 50 - Instantaneous Overcurrent
/ V' d. i: \; u; P$ j C4 J. u; Z * 51 - AC Time Overcurrent Relay
: _& K5 L9 u" ^7 q% k * 52 - AC Circuit Breaker& O4 I4 e3 X% s1 E/ }7 Q* I4 m
* 53 - Exciter or DC Generator Relay
% W; x6 ?3 _, b _5 p- h1 N * 54 - High-Speed DC Circuit Breaker$ y/ G! m- @# t' J
* 55 - Power Factor Relay
: e7 t/ E. V5 Q; e; g4 M! E * 56 - Field Application Relay3 I6 _ {1 n% E; B' ?# x
* 59 - Overvoltage Relay- B6 K& ]# E6 ` Z
* 60 - Voltage or Current Balance Relay
% E- j' [. w( _ * 61 - Machine Split Phase Current Balance, x" q8 C, y# U
* 62 - Time-Delay Stopping or Opening Relay
8 C! Z7 S. n0 l. _5 d+ S * 63 - Pressure Switch# L" p) I1 Q3 \" R/ g
* 64 - Ground Detector Relay
9 Z9 j( `+ `0 s1 V1 O# X3 E. B * 65 - Governor
n2 V! J D& n9 d/ y) @4 c * 66 - Starts per Hour
! }8 t4 n) d# } P& r- [! ?' j * 67 - AC Directional Overcurrent Relay/ s* @$ v- c+ e+ ^. x4 x' e; _9 S
* 68 - Blocking Relay
' O9 s5 g4 h9 a0 J' i. F! R * 69 - Permissive Control Device$ N# a9 I7 Y4 n k* b8 R5 O7 y9 L
* 71 - Level Switch
* t6 _3 m8 B9 g: b * 72 - DC Circuit Breaker% W+ t, E8 c) ~: k: q
* 74 - Alarm Relay6 F* `1 w1 m' ^& c8 {+ m
* 75 - Position Changing Mechanism
( E( ?, X8 v0 h# ?$ j+ |/ W; F * 76 - DC Overcurrent Relay0 c& g; u0 F6 ~- w$ D5 S
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
& n5 I1 }1 d/ y6 ?" h) ? * 79 - AC-Reclosing Relay$ H$ l: u9 R' O% V
* 81 - Frequency Relay
' V0 x4 S7 y W( Z+ [ * 83 - Automatic Selective Control or Transfer Relay: c r0 `- y7 s/ i, H) j7 D
* 84 - Operating Mechanism0 P3 C, O9 d9 E" c% X) ]
* 85 - Carrier or Pilot-Wire Receiver Relay
+ w. P* w* f! ^8 S2 s * 86 - Lockout Relay
' p% D+ {$ B4 T: N. r, g6 x * 87 - Differential Protective Relay3 Y0 N4 Y% n6 `8 ^
* 89 - Line Switch
# J9 P d# V* P& L1 \9 [- {9 u * 90 - Regulating Device
; k6 S: A5 R* J * 91 - Voltage Directional Relay# j6 T& v8 U6 v; i; [3 p
* 92 - Voltage and Power Directional Relay2 O3 m7 p0 X1 \; W9 b" b1 O) O
* 94 - Tripping or Trip-Free Relay, z2 f. ^- |$ [ E# m
* 95 - Reluctance Torque Synchrocheck
7 Q1 k4 U# i4 Q * 96 - Autoloading Relay |
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