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List of Device Numbers- F, t# V$ `4 q7 @) Q4 c) j
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2 N+ H) U7 f% v
2 s: K. g/ j, Y3 \" r5 Y * 1 - Master Element% B, b9 K# p$ b' ^
* 2 - Time Delay Starting or Closing Relay' t2 p9 D* s2 A6 h b
* 3 - Checking or Interlocking Relay
# ]& y$ v/ J7 t4 `' w } * 4 - Master Contactor
# D; o3 I) S( t! M+ S" l0 _5 h6 \ * 5 - Stopping Device
/ t1 I& X. O; @; I) d& Y/ [ * 6 - Starting Circuit Breaker
/ d+ y& N5 ~. M+ D0 ~9 | * 7 - Anode Circuit Breaker9 J( G3 j. F$ M- T# r6 W$ k
* 8 - Control Power Disconnecting Device B; m3 i& e& B* d
* 9 - Reversing Device, [% Q% }: s3 Y* N. b; M
* 10 - Unit Sequence Switch7 W2 f5 J. O5 \( ^0 }1 C
* 12 - Overspeed Device4 U% `6 V. f* F7 D F
* 13 - Synchronous-speed Device
) v; S# o! _! b- {; c4 j( j * 14 - Underspeed Device7 |* I' D2 k( Q. r4 V
* 15 - Speed - or Frequency-Matching Device
+ `7 m4 i; M6 C. x* E( H; q * 21 - Distance Relay% Y& D/ P. S4 r9 r9 l8 @
* 23 - Temperature Control Device1 A3 c3 j; K7 T7 \5 k
* 25 - Synchronizing or Synchronism-Check Device3 q7 a. M. x9 i' e% ~; W
* 26 - Apparatus Thermal Device3 ^$ Q& L7 O7 a F$ @, j5 {
* 27 - Undervoltage Relay
& u4 x5 f. Q! h * 29 - Isolating Contactor# r" d/ z. T% X9 z
* 30 - Annunciator Relay
! @% ]4 X) Q% u. z: W w6 }, e1 P7 y& L * 32 - Directional Power Relay
( K' m5 i! }) Z# h2 m3 s * 36 - Polarity or Polarizing Voltage Devices
L" f! W$ ?5 z' e5 {& F" F * 37 - Undercurrent or Underpower Relay% Y/ k5 t& i/ w( k
* 38 - Bearing Protective Device
' {2 ^0 [7 X, B' }0 } * 39 - Mechanical Conduction Monitor8 f0 ^& Q$ m. l/ ~4 W6 X
* 40 - Field Relay
2 h4 l2 @, I" ]6 N" B * 41 - Field Circuit Breaker0 Z. g: B; `+ ^% \' g
* 42 - Running Circuit Breaker1 i0 Q6 Y3 {9 T
* 43 - Manual Transfer or Selector Device
0 U6 |; @, _/ ` * 46 - Reverse-phase or Phase-Balance Relay' l( h; {% f! j( U2 ~8 t8 z A: M
* 47 - Phase-Sequence Voltage Relay# V3 F/ Q4 U. Y5 c7 w$ ~
* 48 - Incomplete-Sequence Relay6 Z" {* B, j) Y( G. `# ~% u
* 49 - Machine or Transformer Thermal Relay9 C, f- k8 E2 e% O* A3 I
* 50 - Instantaneous Overcurrent
2 r* @6 p: S$ W. k- u& u \) b * 51 - AC Time Overcurrent Relay
S+ k. z2 \- ^ * 52 - AC Circuit Breaker
" ^: w, c0 @( j7 B9 ^ * 53 - Exciter or DC Generator Relay3 j1 M1 E8 T* ]
* 54 - High-Speed DC Circuit Breaker3 z+ z" i" H1 {
* 55 - Power Factor Relay8 z# B* d! S( t! L2 {9 U0 l, [3 q
* 56 - Field Application Relay; |9 w2 Y+ i' P1 f: @
* 59 - Overvoltage Relay: ]7 p R$ Z7 S, X* ?
* 60 - Voltage or Current Balance Relay$ L# f j3 u0 A( C8 O$ _" B
* 61 - Machine Split Phase Current Balance
8 L% Y+ p- _6 q9 J2 R * 62 - Time-Delay Stopping or Opening Relay
2 a3 N0 E" y0 ]& z& y9 i5 ^* r * 63 - Pressure Switch. T- |% G5 C1 c; d+ T/ x7 A, {
* 64 - Ground Detector Relay
% B. O$ z1 s+ ]1 f7 h6 u7 [. w9 a: ] * 65 - Governor: B X U/ {: V" X& G
* 66 - Starts per Hour
* {* _& A2 s1 m9 T! b * 67 - AC Directional Overcurrent Relay7 I- q( ?" F* ?7 p
* 68 - Blocking Relay
+ T3 Z9 w. E, B9 ]" y3 \ * 69 - Permissive Control Device2 z9 @' J* T9 b
* 71 - Level Switch
x0 V1 l1 W- r6 a+ x( } * 72 - DC Circuit Breaker
6 x* j. _" y) Z9 j) G% j * 74 - Alarm Relay
3 I( u2 ]$ u2 l, q$ C2 ^ * 75 - Position Changing Mechanism8 P! y' o, n* ]2 {, p: c
* 76 - DC Overcurrent Relay9 N- Z" N0 a4 f1 W0 o
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay. f8 b" Y2 m% u$ U: N1 a. I
* 79 - AC-Reclosing Relay+ B7 W+ M. A2 G, c
* 81 - Frequency Relay
7 d; e' i. L3 C* a- w& b/ W% w8 a+ o * 83 - Automatic Selective Control or Transfer Relay
# H" m$ ]$ L6 ^5 e( Q% _* t4 _: Q+ e) D * 84 - Operating Mechanism- c& n& F, P' R0 d% |/ Y. L% G
* 85 - Carrier or Pilot-Wire Receiver Relay
$ l. u; P- X2 n s1 _* W- Z3 e * 86 - Lockout Relay, \9 \+ ^ ?; U& y! H5 `( G* P# Z
* 87 - Differential Protective Relay. V) O& r, L L& r
* 89 - Line Switch
$ V2 v; V8 `. x$ o * 90 - Regulating Device w/ N5 y- _7 N
* 91 - Voltage Directional Relay& y6 a# A% ~* M. y
* 92 - Voltage and Power Directional Relay# q% U& T& ` @# D2 A y) F
* 94 - Tripping or Trip-Free Relay
0 w* ~4 A! m% ^ * 95 - Reluctance Torque Synchrocheck
" V- z; I( y* P; U3 l * 96 - Autoloading Relay |
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