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List of Device Numbers' c' a$ q+ A3 S( t8 ]0 K
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. d& v! B5 J2 x, @ * 1 - Master Element
6 p% b$ L4 `' ^: W! L * 2 - Time Delay Starting or Closing Relay
# V3 ` ?% B0 ?9 V0 m * 3 - Checking or Interlocking Relay7 J# Q/ b$ H0 x8 V
* 4 - Master Contactor2 P% y3 r2 k7 ^3 _ a! x5 T
* 5 - Stopping Device9 Q4 ~9 J( N. h* n. H& i; |$ a. a
* 6 - Starting Circuit Breaker
' |1 ` x: O7 U8 N$ Z+ a8 k * 7 - Anode Circuit Breaker" U3 d% z: N$ y X6 }
* 8 - Control Power Disconnecting Device2 J) [8 u3 [" X/ ^3 T
* 9 - Reversing Device- {6 }0 U+ A+ i; l6 ?% f
* 10 - Unit Sequence Switch
* W+ y" X( G7 g5 g, v4 y- Y& y) |6 D * 12 - Overspeed Device6 I) _. g, o, M2 q9 l+ ~* b. C
* 13 - Synchronous-speed Device
. }! P. |$ _7 R2 a5 `% j { * 14 - Underspeed Device6 W9 o( Q, D& g, r0 x
* 15 - Speed - or Frequency-Matching Device/ X6 Q9 q, m( E1 F3 |: c9 h5 V
* 21 - Distance Relay
; Y, H0 ?( N8 T! b1 I0 b! ?* k1 f * 23 - Temperature Control Device
: k; B: q, y2 u( l1 l * 25 - Synchronizing or Synchronism-Check Device' c- `5 A0 i" ]! F
* 26 - Apparatus Thermal Device- @$ {; q3 B3 o k
* 27 - Undervoltage Relay) a+ M- f. ^ |! C. H
* 29 - Isolating Contactor% C# m1 z! m, D* `- t
* 30 - Annunciator Relay7 \- _: o2 c4 q( `. t2 _
* 32 - Directional Power Relay; w l# g) M6 o3 `
* 36 - Polarity or Polarizing Voltage Devices( S$ Q; m+ ]2 T3 n' Q' J$ l& Y$ t
* 37 - Undercurrent or Underpower Relay
$ z, U2 C1 \. [0 ` * 38 - Bearing Protective Device
: C3 [7 u) G; Y0 g: [9 Z * 39 - Mechanical Conduction Monitor! y5 D, O% B6 m8 f. w7 a/ d9 {
* 40 - Field Relay
@1 t& d9 n2 v5 r1 x* q0 C * 41 - Field Circuit Breaker
- a. s* o- y) T {0 T: m m" K * 42 - Running Circuit Breaker0 Q5 j' [" N' P, D2 o& z6 w
* 43 - Manual Transfer or Selector Device* d5 y3 h6 b; n3 T4 G. f" A1 F
* 46 - Reverse-phase or Phase-Balance Relay1 P# N' p- o: \5 G2 F7 G3 A
* 47 - Phase-Sequence Voltage Relay/ T) m4 S' s: d4 `! b( z
* 48 - Incomplete-Sequence Relay
8 ]2 r6 R$ V' n# T/ M+ S * 49 - Machine or Transformer Thermal Relay
9 N$ X j( C1 ^8 \ * 50 - Instantaneous Overcurrent
5 K! b5 A+ R: Z2 _1 j7 d * 51 - AC Time Overcurrent Relay" r) W9 c4 ?8 [) O
* 52 - AC Circuit Breaker
2 ` w6 d+ @% ^ * 53 - Exciter or DC Generator Relay
. p) V; d4 z9 s) K * 54 - High-Speed DC Circuit Breaker \/ ?, `$ @* }/ a+ v/ C; [
* 55 - Power Factor Relay; |* ?: l2 x8 K2 W g
* 56 - Field Application Relay4 L# Z: h2 k, N3 h5 u
* 59 - Overvoltage Relay
6 v- i; i: o3 m; M * 60 - Voltage or Current Balance Relay) F( z* d3 U) y4 C. b5 ~5 j4 e0 M# y
* 61 - Machine Split Phase Current Balance
" L. k5 Q V8 I/ W * 62 - Time-Delay Stopping or Opening Relay
6 H3 X% I$ T% A5 a2 ^# Z. A# d * 63 - Pressure Switch9 a9 `$ h2 W7 w$ n5 J$ _7 V) G
* 64 - Ground Detector Relay, m O. Z: f, h
* 65 - Governor H- s" J! R' x- t
* 66 - Starts per Hour; Q6 Q5 ^8 I) L4 U7 p4 A
* 67 - AC Directional Overcurrent Relay+ b/ l* m; N" r. A7 \. F& B
* 68 - Blocking Relay! h+ g& n5 x1 j8 f: k
* 69 - Permissive Control Device$ p8 B/ K* u! P7 X8 b
* 71 - Level Switch) x7 N# I9 U1 C0 W) j G8 y9 j
* 72 - DC Circuit Breaker
; L4 ?3 p9 E8 q7 C; }" I( s * 74 - Alarm Relay
" q, M7 p9 z6 M+ X# _ * 75 - Position Changing Mechanism# t0 j9 d# Q& n* M8 k
* 76 - DC Overcurrent Relay
/ W+ f% Z J2 N) I) x+ }, J1 Q6 n& _ * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
* J! g: R& Y$ I * 79 - AC-Reclosing Relay
' F5 t$ Q, v! |9 T * 81 - Frequency Relay
; V$ P3 t. ~2 @- W7 k( x8 c0 v * 83 - Automatic Selective Control or Transfer Relay
0 G/ \" ]! w. K/ }9 d% G$ F * 84 - Operating Mechanism% T4 _) e, v$ H; L9 h) y
* 85 - Carrier or Pilot-Wire Receiver Relay5 L j+ |4 \! p2 o& a3 _
* 86 - Lockout Relay0 o4 T& i" P! I5 C" y( u X
* 87 - Differential Protective Relay) B' z# Z, a& B8 [6 e# F( `
* 89 - Line Switch
9 c( S& a! K% @. V% e2 ^/ _ E * 90 - Regulating Device& S5 e$ [" Z: l6 W T2 P
* 91 - Voltage Directional Relay
4 J$ I1 z& `* k) {3 b, E% Y( A * 92 - Voltage and Power Directional Relay
" c U( i+ g6 U7 J * 94 - Tripping or Trip-Free Relay+ i `- ]. d. Z1 B
* 95 - Reluctance Torque Synchrocheck
' a5 C% R" S% D# d P * 96 - Autoloading Relay |
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