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List of Device Numbers+ p& t. W' t7 m' l" a! c C! d
Click to learn more...2 X( h5 Z }4 _6 W( @( h. A1 M7 F }
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* 1 - Master Element+ R6 B$ \. e" Y! j+ }
* 2 - Time Delay Starting or Closing Relay
6 t: P- I9 x! |" e1 k * 3 - Checking or Interlocking Relay
+ L2 d" ~+ c0 g+ G, U0 W% I * 4 - Master Contactor( E" Q A6 A Q0 L o
* 5 - Stopping Device
( e3 B. V$ z. b# U. P" s$ U3 w * 6 - Starting Circuit Breaker3 j, B# T2 U- k0 y2 ~
* 7 - Anode Circuit Breaker
. _. z& n* h1 j& C% z7 v1 B, k7 s& i * 8 - Control Power Disconnecting Device
& g& z X# p$ k' @* Z: F r) a+ w5 I * 9 - Reversing Device& }9 T! _" ^: _' Z
* 10 - Unit Sequence Switch
4 T* P" A( h! f/ q * 12 - Overspeed Device0 W# M/ `. ~8 t, ?+ w2 e# Y
* 13 - Synchronous-speed Device. b0 M& t- P& r/ C& s1 W2 {
* 14 - Underspeed Device
% F9 |4 |; a9 ]$ h * 15 - Speed - or Frequency-Matching Device
: A6 ]. ` u9 L: C * 21 - Distance Relay. s& A" m+ `2 {9 d3 j
* 23 - Temperature Control Device0 Y& U) E S- y$ {
* 25 - Synchronizing or Synchronism-Check Device! {, Z7 {, C. U, J# ^% v& j
* 26 - Apparatus Thermal Device
4 J0 p) F. O0 W$ ~ * 27 - Undervoltage Relay
8 y; G; u! t. r, a * 29 - Isolating Contactor' T% ]5 t5 O0 m3 ~$ X( n
* 30 - Annunciator Relay
. B7 A3 l. q m+ ~ * 32 - Directional Power Relay
) w; {9 }' e- x. s- ~8 z * 36 - Polarity or Polarizing Voltage Devices7 H$ s) M' A2 l
* 37 - Undercurrent or Underpower Relay
) F: ~/ z' H9 U$ ]0 i! { * 38 - Bearing Protective Device
; Q, I _0 b/ M8 _1 ? * 39 - Mechanical Conduction Monitor
% c5 L! Q; C0 V3 X7 v) T9 B$ t- B * 40 - Field Relay
( Z5 l* x' ]- e( p * 41 - Field Circuit Breaker
' y* O% |6 I6 m3 A3 M2 f * 42 - Running Circuit Breaker
& P: F) `2 c0 K/ C * 43 - Manual Transfer or Selector Device1 K+ p# L) B+ f* G, D" r* U
* 46 - Reverse-phase or Phase-Balance Relay
# P t( q2 O# a. ]2 R * 47 - Phase-Sequence Voltage Relay
; `- C# A+ ^/ t8 G" c( e; L: P7 E * 48 - Incomplete-Sequence Relay
' M2 v7 t4 h8 ^# C * 49 - Machine or Transformer Thermal Relay
: e6 m9 c, [& Z, F, @8 o& h * 50 - Instantaneous Overcurrent* }+ `7 z$ E, ^! ?' b+ d
* 51 - AC Time Overcurrent Relay3 q* F7 @" F9 b2 k+ `) `4 e
* 52 - AC Circuit Breaker
. g" B) q0 I( o" U* Q * 53 - Exciter or DC Generator Relay* }# v, y& k+ K; P! Z9 e
* 54 - High-Speed DC Circuit Breaker
( w% ]$ f! T( J( Q * 55 - Power Factor Relay
' {4 _* E4 M' q. K: q8 O/ G * 56 - Field Application Relay( o2 ]* Z* E$ X% E" Y! d4 m
* 59 - Overvoltage Relay
" `' c! y9 |* J) f* x$ L* x * 60 - Voltage or Current Balance Relay5 z- i3 R/ s) Q
* 61 - Machine Split Phase Current Balance. N; U* J E3 Y
* 62 - Time-Delay Stopping or Opening Relay
9 w" B" x; \1 I% @# ~( T* D- f * 63 - Pressure Switch) e* ^+ M$ t8 G" \0 Q
* 64 - Ground Detector Relay
* V2 G! E: W7 n' r! m% S H * 65 - Governor
* O) d2 s7 V4 m, \ * 66 - Starts per Hour
) C7 Q$ s' Y( I& u5 n" O' X$ w * 67 - AC Directional Overcurrent Relay7 Z( Q( J, {- A1 B7 { D0 D; n2 I
* 68 - Blocking Relay
% G0 V# D- U' |, Z# P6 _# g, w * 69 - Permissive Control Device% A% z% G4 D) I* }3 w. Y
* 71 - Level Switch$ w8 X& q9 p! P8 `: a) v+ f1 a
* 72 - DC Circuit Breaker% a8 i. R4 p% G0 ^3 X$ B
* 74 - Alarm Relay& f/ e7 x' G& M# j
* 75 - Position Changing Mechanism
- ?- Y" Q) G! ^ * 76 - DC Overcurrent Relay
$ R9 K% o* j! j, j * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay* |1 }. W- G- C' S+ @4 y6 ~
* 79 - AC-Reclosing Relay2 T# v8 n' x% s) D1 _8 D( F
* 81 - Frequency Relay
! F6 M5 {) r) i1 O& [ * 83 - Automatic Selective Control or Transfer Relay. @2 K+ W" r5 _7 K B2 K4 `7 l! X
* 84 - Operating Mechanism
, p: w" y4 o8 G$ a1 k' Y * 85 - Carrier or Pilot-Wire Receiver Relay- R% x, C$ W8 z# q2 @
* 86 - Lockout Relay5 D8 L5 I1 g1 ~
* 87 - Differential Protective Relay! C6 \/ p( V) z3 ^8 E0 q" \
* 89 - Line Switch
4 H1 P z5 Y+ J- o/ m * 90 - Regulating Device
+ N/ s% K& n& M* n9 H8 L * 91 - Voltage Directional Relay
* t6 c L3 W5 i& m' c# Y" v O * 92 - Voltage and Power Directional Relay
% U' x3 Q! z) F+ w * 94 - Tripping or Trip-Free Relay
& h; |! i+ o* ^! }( f * 95 - Reluctance Torque Synchrocheck' x. o, f) I5 a+ g: T
* 96 - Autoloading Relay |
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