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List of Device Numbers
6 C2 ]4 N; }2 |' yClick to learn more...
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* 1 - Master Element, |+ @% I, d3 A. r. y; I8 N
* 2 - Time Delay Starting or Closing Relay1 S( N3 U f# _: T& f( ?
* 3 - Checking or Interlocking Relay
" D1 f n( N! F1 S; T; i: a" S * 4 - Master Contactor' a9 w+ C9 |: }& q! p
* 5 - Stopping Device
$ o7 T* m k/ i' G9 w- ` * 6 - Starting Circuit Breaker
' ~( S6 {5 U3 m8 l+ I/ J; V * 7 - Anode Circuit Breaker
* E( ?( j Z1 a! c * 8 - Control Power Disconnecting Device5 n0 U$ x3 t" K; m1 M0 ]- Z
* 9 - Reversing Device, k! C2 p9 Y0 L' Q! I# J) D8 ]0 O) p' O
* 10 - Unit Sequence Switch& n- l! y/ o) `. ?) V
* 12 - Overspeed Device( y4 M) b. d! D. Q6 g: |" \
* 13 - Synchronous-speed Device! @" _ `+ C# f- P; R" T7 j- f1 V
* 14 - Underspeed Device
& P& y: X8 k0 A1 \ * 15 - Speed - or Frequency-Matching Device
) M/ V% x& G9 t4 z0 x * 21 - Distance Relay
: r9 h. x% h0 I7 |# x * 23 - Temperature Control Device
, ]3 s# F) S+ y) o# @ * 25 - Synchronizing or Synchronism-Check Device8 j) u. @7 T- i$ i
* 26 - Apparatus Thermal Device; O9 T y: O2 F) r: o+ r
* 27 - Undervoltage Relay
0 P9 v& u/ J( A8 F/ z * 29 - Isolating Contactor* [, p! _. S! a% a
* 30 - Annunciator Relay: T4 Y- E; n# H
* 32 - Directional Power Relay* a0 d: b/ Y4 ]
* 36 - Polarity or Polarizing Voltage Devices; i! @3 Z4 N" {. L3 l. E
* 37 - Undercurrent or Underpower Relay5 D8 |/ p# l# M
* 38 - Bearing Protective Device
! O0 `6 X8 K' U& d6 q9 {5 i" U1 M * 39 - Mechanical Conduction Monitor
0 g( o& d% ]/ p * 40 - Field Relay
: [4 d% j* T1 Y4 n- M * 41 - Field Circuit Breaker
* I- J: {6 D8 e, ? * 42 - Running Circuit Breaker
6 @. a1 |0 a; P& U7 K, _" G * 43 - Manual Transfer or Selector Device
# W2 Y8 ?+ x! u+ P1 N- X * 46 - Reverse-phase or Phase-Balance Relay
% f6 Z( B& Y# X" a9 U$ ]) k7 r * 47 - Phase-Sequence Voltage Relay
& E6 h+ f' a, W5 }3 W% M1 a' ] * 48 - Incomplete-Sequence Relay
' d; z; }! ]% W( `' t$ d * 49 - Machine or Transformer Thermal Relay
h, {0 e3 K8 ~" p * 50 - Instantaneous Overcurrent
; C2 v0 m) A% ]: G# J% ^ * 51 - AC Time Overcurrent Relay
8 b( I3 ~" }, W5 ~ * 52 - AC Circuit Breaker
& W+ A+ w9 ^& @) g' t% Y * 53 - Exciter or DC Generator Relay
0 n, R5 Y: r: S m" L9 ]' A * 54 - High-Speed DC Circuit Breaker7 s' O( h& n9 W" t+ p
* 55 - Power Factor Relay; ~; c' e( N$ D5 u# y, q; p: t
* 56 - Field Application Relay
" f6 @4 ^3 O! F( x( l" q8 w% ? * 59 - Overvoltage Relay
, O4 E7 O7 r, B9 P( C * 60 - Voltage or Current Balance Relay- {' p6 j9 b0 P( S; G3 S
* 61 - Machine Split Phase Current Balance
) h6 O2 e; ?0 X- k * 62 - Time-Delay Stopping or Opening Relay
; a* l. ] v, e( S% L _+ ` * 63 - Pressure Switch- J! u' |' W0 G
* 64 - Ground Detector Relay0 o* E4 I% j$ R5 H5 y$ U
* 65 - Governor
. |% O1 ^# t1 o * 66 - Starts per Hour
. P' ?' i9 P( i! g* d+ {/ \ * 67 - AC Directional Overcurrent Relay1 y8 e1 ?/ [' O- Q2 K w! n
* 68 - Blocking Relay- Z% m5 X( d- C- \, l6 ~
* 69 - Permissive Control Device
- H* V4 ?/ W) A3 g * 71 - Level Switch' q' y- o. I; \9 _/ ~4 J7 y; O. ~6 h
* 72 - DC Circuit Breaker
i0 I& `( Y6 ^: p$ U * 74 - Alarm Relay
2 T+ t/ K- e4 l- b * 75 - Position Changing Mechanism
3 x. n+ _- ~1 A * 76 - DC Overcurrent Relay
2 f! h5 F& J' I& ?5 } * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
" \! n: a) z. N) m * 79 - AC-Reclosing Relay
8 I6 ~9 T$ T( e8 V& b a$ E; w * 81 - Frequency Relay
0 S ?* J: z' k. R7 i. _$ C * 83 - Automatic Selective Control or Transfer Relay
9 A( T f) b! {- Z$ z * 84 - Operating Mechanism' ~( N- F& b ]% ~
* 85 - Carrier or Pilot-Wire Receiver Relay
* ]8 U: H# V/ {' j, s" Y * 86 - Lockout Relay
) O) o% {% c1 r u2 V. r * 87 - Differential Protective Relay. v) C& ~" H4 t% s- r+ z
* 89 - Line Switch
8 o+ P7 g, D1 u8 U * 90 - Regulating Device0 ~* x7 [# s9 M
* 91 - Voltage Directional Relay
/ R; ^4 j q9 D * 92 - Voltage and Power Directional Relay
I$ w' F. k" k7 ~# D9 d * 94 - Tripping or Trip-Free Relay4 @0 A& ~. P# ~% P
* 95 - Reluctance Torque Synchrocheck% R2 @- J2 i6 X5 K
* 96 - Autoloading Relay |
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