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List of Device Numbers
6 Y, V3 ?4 p1 M; l `Click to learn more...$ R" S. o4 X- ^) P: d4 d
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* 1 - Master Element% V9 J7 L. D3 A
* 2 - Time Delay Starting or Closing Relay
1 J; X$ T% \+ p) T9 L5 {9 [ * 3 - Checking or Interlocking Relay
* ~* g; Z3 U/ N5 h. y * 4 - Master Contactor6 j% Z3 @2 M; A1 B7 I
* 5 - Stopping Device
, e% Z& [) X* q& E/ F * 6 - Starting Circuit Breaker
9 H8 l @1 ~( r: i9 _# \8 w * 7 - Anode Circuit Breaker7 h! R3 X- h, y( ?% {1 B
* 8 - Control Power Disconnecting Device
) M# I+ N5 T+ [! F- g( G/ l * 9 - Reversing Device
" v& C6 y2 R: k * 10 - Unit Sequence Switch* S- X3 f8 r& w& e# A, z
* 12 - Overspeed Device
5 A7 G( ^) ~8 m. C. N * 13 - Synchronous-speed Device% s2 @7 y, ?$ k* n, q! A: b
* 14 - Underspeed Device3 o+ B; p; D: E: Z5 A# C9 Z; E) c
* 15 - Speed - or Frequency-Matching Device
& X1 O* { n a9 h5 @ * 21 - Distance Relay
- ~* n9 L1 S# M * 23 - Temperature Control Device
# ~; p' d/ E$ X5 s * 25 - Synchronizing or Synchronism-Check Device
% a- C% v# l3 G" E- Q0 F, R; { * 26 - Apparatus Thermal Device: w- g% i+ d2 o i7 r$ d
* 27 - Undervoltage Relay
: Y* ~1 k9 s! d' s! y * 29 - Isolating Contactor& o* D) i; H$ P7 K8 D" x
* 30 - Annunciator Relay" }9 o9 U. u/ ^4 N+ q
* 32 - Directional Power Relay4 O9 E7 H* @1 v" W; g1 E& W0 |
* 36 - Polarity or Polarizing Voltage Devices2 Q9 b4 ^7 p) Q6 H2 \, H& G
* 37 - Undercurrent or Underpower Relay
) Y; Z7 X. Y" O- a- s7 @) k$ T. B * 38 - Bearing Protective Device
& x0 u) l6 j4 a- O0 W( m7 Y * 39 - Mechanical Conduction Monitor
" u" z' r8 Q3 z4 E! O * 40 - Field Relay5 G/ u8 p, F; q- S& u4 Z
* 41 - Field Circuit Breaker A& n- [0 }0 Q* b& H& R' E
* 42 - Running Circuit Breaker* l: E" v/ l, X2 L/ `) `
* 43 - Manual Transfer or Selector Device7 f- a0 h- q! r5 m* ~, r8 Y9 B y# e
* 46 - Reverse-phase or Phase-Balance Relay# N. p& O& }, g$ d+ Q# d8 b
* 47 - Phase-Sequence Voltage Relay
* [7 Y) t( @8 c* E# y * 48 - Incomplete-Sequence Relay1 H1 N" R; C6 v7 c5 k) [/ c
* 49 - Machine or Transformer Thermal Relay1 y) W" e1 e3 X7 W% X0 \3 I* J
* 50 - Instantaneous Overcurrent" N! ]& Y( }, G j. V7 O
* 51 - AC Time Overcurrent Relay
: E( v4 t6 H. f, w& g& a1 T7 p0 n * 52 - AC Circuit Breaker
& h$ B6 v. ?. r- b * 53 - Exciter or DC Generator Relay
1 E" m8 m' s/ l; |; D) W * 54 - High-Speed DC Circuit Breaker! q5 ]: S1 y3 |- \: M8 X
* 55 - Power Factor Relay8 X! y: U a0 v4 K7 u. d3 ?. K
* 56 - Field Application Relay
9 D4 D' W6 U3 J' [ * 59 - Overvoltage Relay, C, e, f; T- @
* 60 - Voltage or Current Balance Relay
2 ^8 s' r" a. P- S * 61 - Machine Split Phase Current Balance5 E, L" T6 V; ^9 }" `9 w2 p) |. L
* 62 - Time-Delay Stopping or Opening Relay+ P7 }* O' ]- |: L: h
* 63 - Pressure Switch' y8 o; S2 { @' d8 f
* 64 - Ground Detector Relay
+ i* n' c; f. f3 g1 { * 65 - Governor# e) ]9 d) q1 b2 i6 h! w, I( c
* 66 - Starts per Hour
O# K# j7 n. `% K) o+ U0 e * 67 - AC Directional Overcurrent Relay- ?: i5 z0 E! ` g3 V" m
* 68 - Blocking Relay
8 i) r) _* ]. Q% @, y. p; { * 69 - Permissive Control Device4 {0 T: m! Z3 H3 U, d
* 71 - Level Switch4 H; y/ g. _) V* a& Z
* 72 - DC Circuit Breaker4 O3 ~- U. J9 }& w1 E% b1 \ b
* 74 - Alarm Relay2 c l2 D, f. @! J8 d. ?
* 75 - Position Changing Mechanism2 U" x) l+ A# {
* 76 - DC Overcurrent Relay. l' @# T7 E0 V* k8 m; Z
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay' B9 j0 [8 ~" L$ K1 B6 \" ]
* 79 - AC-Reclosing Relay
; s0 c0 P* E7 y. U1 ?" T * 81 - Frequency Relay
. O! g. {# l+ P+ e * 83 - Automatic Selective Control or Transfer Relay
: j2 ?8 _* z' _! N+ f * 84 - Operating Mechanism
4 ?+ w0 i s$ u0 Y4 M0 ~1 | * 85 - Carrier or Pilot-Wire Receiver Relay
r& h6 Y! D/ [6 X) G * 86 - Lockout Relay. @+ e3 @4 W% Y3 E' j: a; |, f
* 87 - Differential Protective Relay
, H7 Z2 r0 n" N& b9 b7 w * 89 - Line Switch
7 J8 l7 }+ T; h, o * 90 - Regulating Device( I# f9 D5 i6 h+ d8 j( C: a7 K' ]5 d
* 91 - Voltage Directional Relay. [7 a& k) z2 h1 P$ u6 U( r7 F
* 92 - Voltage and Power Directional Relay
: j+ v+ ]+ y. i( u- I% ? * 94 - Tripping or Trip-Free Relay
+ E* a0 u, u( A+ o7 M/ Y% c+ n; e * 95 - Reluctance Torque Synchrocheck$ q; w e7 l. V: T) K+ y
* 96 - Autoloading Relay |
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