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List of Device Numbers5 {( ^. t+ m' O
Click to learn more...7 B8 `; y& p! l. O
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* 1 - Master Element
, S+ O) y% x% s% u * 2 - Time Delay Starting or Closing Relay
- } B; O9 }! K, o * 3 - Checking or Interlocking Relay
c1 W4 J4 ~7 h- [3 W* C * 4 - Master Contactor* q7 f+ F+ w( H1 h4 R+ R
* 5 - Stopping Device8 }1 u% A4 g# m8 ^1 X" D6 Y& e% ]
* 6 - Starting Circuit Breaker; R- f; B2 A; m$ r5 _
* 7 - Anode Circuit Breaker
, V5 o0 C8 v) ^1 \- w! T9 l * 8 - Control Power Disconnecting Device
! u$ m# \4 S( k' D# z+ E2 \ * 9 - Reversing Device9 Q$ o5 {+ z" ? M# ]/ {
* 10 - Unit Sequence Switch. C) V: j, t, I6 _( a* y+ s# `% x. {# ?
* 12 - Overspeed Device' h2 b: S( c3 h) m# ]' [1 {
* 13 - Synchronous-speed Device
! a$ L; q4 h7 z/ j * 14 - Underspeed Device* z( z" b# G1 ], p
* 15 - Speed - or Frequency-Matching Device
( ^1 J* W; M- B: U, y) Q X * 21 - Distance Relay
' s/ p5 z( i: W: D7 f. _ * 23 - Temperature Control Device
f! Q$ t k& M# r8 S: [ * 25 - Synchronizing or Synchronism-Check Device
3 B* A- b+ n; b * 26 - Apparatus Thermal Device5 X% t" M4 [0 o& o- N
* 27 - Undervoltage Relay) O. K' |# L7 c
* 29 - Isolating Contactor
& I% t! A6 Y2 |1 \# w6 V * 30 - Annunciator Relay
# c+ z& y/ F$ R4 L& ?" g * 32 - Directional Power Relay% v3 I) @- r' } C) X' ]) o+ V! G
* 36 - Polarity or Polarizing Voltage Devices
, A% e! W3 t* u * 37 - Undercurrent or Underpower Relay' ~( F8 X' P, I# \. F- ?/ G" }
* 38 - Bearing Protective Device
; H7 |$ s8 r) m5 d- F- d/ C) M' n * 39 - Mechanical Conduction Monitor
# t8 ~" ~' _- O1 c * 40 - Field Relay! @; R$ _: {+ a6 K+ _) i
* 41 - Field Circuit Breaker! {' N: m J: x" k' @, J7 D
* 42 - Running Circuit Breaker
: p3 \$ ]& v& d, e% T' |. I3 j * 43 - Manual Transfer or Selector Device+ s2 V# N. D- c
* 46 - Reverse-phase or Phase-Balance Relay
! f: R7 v+ P+ D+ m" _( y- ^8 r4 R * 47 - Phase-Sequence Voltage Relay* W( a5 p3 \% E3 |; Q" f
* 48 - Incomplete-Sequence Relay
5 E% g# j; \9 P- X( u * 49 - Machine or Transformer Thermal Relay
. y) {. b4 S0 w# ]! R8 P7 L* M) [ * 50 - Instantaneous Overcurrent: }+ Y) ]- G7 r5 g7 }1 k4 X! U3 Q D. y
* 51 - AC Time Overcurrent Relay4 N0 E% Y$ o' F
* 52 - AC Circuit Breaker
+ E. I, h# c# d4 h% g * 53 - Exciter or DC Generator Relay* Z; M7 k( _+ }
* 54 - High-Speed DC Circuit Breaker
% q; m# G e( K t' m! j * 55 - Power Factor Relay- c& i4 D$ E, X1 s/ [
* 56 - Field Application Relay W( f: X/ o1 s
* 59 - Overvoltage Relay/ f) }% `" y6 D; B* u: k
* 60 - Voltage or Current Balance Relay3 D2 D+ i. \3 ~7 |
* 61 - Machine Split Phase Current Balance
6 l. q. N+ E8 U# Q% y1 d) Y% H" X; O * 62 - Time-Delay Stopping or Opening Relay% J- B# h, s5 p7 M* R; A' G
* 63 - Pressure Switch* z" s8 d! D+ h
* 64 - Ground Detector Relay
* k8 M/ p+ u( p* Y* {1 t! H" q/ B * 65 - Governor/ w4 q( r5 v0 ` z% f0 q
* 66 - Starts per Hour
* t$ a9 k6 @8 t3 G * 67 - AC Directional Overcurrent Relay
& m7 S! E5 y) G * 68 - Blocking Relay* y. W! n0 |6 z# m6 T7 q9 _& t% t, S
* 69 - Permissive Control Device
: T8 x. X7 \+ `/ H ^$ |9 Q# w * 71 - Level Switch' X/ i A4 x) R: Y& |- [" {* z
* 72 - DC Circuit Breaker1 P' O5 p6 @+ O% [) @
* 74 - Alarm Relay* v$ t9 X% H+ Z6 P, P8 [
* 75 - Position Changing Mechanism* N/ k# i# c6 q% B. S/ x2 z7 V
* 76 - DC Overcurrent Relay5 J( @: |1 U) U4 B1 G- F
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
( d' G V; ?# R* S' w * 79 - AC-Reclosing Relay
, f: e$ l" J3 y- l * 81 - Frequency Relay
( x" D- v- t3 P! b" X# O9 y( u * 83 - Automatic Selective Control or Transfer Relay& [7 q! M6 R. U) T$ ?* p
* 84 - Operating Mechanism
2 ^/ Q" ]1 S% ] }* \2 V0 l * 85 - Carrier or Pilot-Wire Receiver Relay/ i4 ?+ A. I, R7 _
* 86 - Lockout Relay7 t% C/ _+ n3 H- z4 R$ R% V
* 87 - Differential Protective Relay
8 u! @( G8 n9 G( [* F * 89 - Line Switch# h, q L) O+ z& O7 ~% G
* 90 - Regulating Device2 a d1 u: p, w/ t- R" t
* 91 - Voltage Directional Relay# Y! C* \1 o0 S5 b3 Y) @
* 92 - Voltage and Power Directional Relay. C$ m) E0 G) x5 c0 Z5 b
* 94 - Tripping or Trip-Free Relay
$ `9 n, J! t7 V* T7 h * 95 - Reluctance Torque Synchrocheck. `. Q. U2 H0 t! p$ E$ W" Q
* 96 - Autoloading Relay |
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