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List of Device Numbers; i3 `; `7 x; N1 d8 Y) W
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* 1 - Master Element
% A# N6 m0 `9 ~4 `% H7 h * 2 - Time Delay Starting or Closing Relay
/ V+ f5 O" h8 K- `6 O: I * 3 - Checking or Interlocking Relay
4 w7 D6 e1 ~8 ~- ~ F8 K$ Q2 g* j * 4 - Master Contactor9 f& D; i" g$ `5 T+ F2 O
* 5 - Stopping Device4 D$ ~- g8 @% ]" z. f) R5 Q
* 6 - Starting Circuit Breaker
7 L L5 c! J h * 7 - Anode Circuit Breaker" B' r# ?4 w" ~# \2 e/ z- l5 Y
* 8 - Control Power Disconnecting Device
7 R# s+ n! }: D) x D * 9 - Reversing Device
% w( a( r5 V' w" T' W2 ^ * 10 - Unit Sequence Switch* X! ?/ ^/ R7 G8 V6 d- H0 q
* 12 - Overspeed Device
* }& v7 u! U8 L i& ~% I8 [, o1 u * 13 - Synchronous-speed Device
9 F$ S2 V! X7 V9 ?9 O * 14 - Underspeed Device5 e4 K% i; @) a t
* 15 - Speed - or Frequency-Matching Device$ g; B4 Q- u6 S4 ~: \
* 21 - Distance Relay- ]8 f4 O& X1 x4 {7 X
* 23 - Temperature Control Device. o/ |5 o7 }6 I6 H2 V8 H
* 25 - Synchronizing or Synchronism-Check Device4 F$ H( B6 u& [' ^0 ?
* 26 - Apparatus Thermal Device
) K" ~3 ]0 i# q: a& ~; r * 27 - Undervoltage Relay; x! Z. J4 u) k, k+ j4 s
* 29 - Isolating Contactor2 K; ]+ l; J) T( h/ d- G: J% [5 H
* 30 - Annunciator Relay
& N/ T6 C7 h$ i- g * 32 - Directional Power Relay
* m0 y- C D7 }+ P2 h2 a5 t0 t * 36 - Polarity or Polarizing Voltage Devices7 S) o2 I& |% h; N
* 37 - Undercurrent or Underpower Relay( M N# i% `7 L" F! |$ K
* 38 - Bearing Protective Device
1 ?" O& I& R' D. x0 X * 39 - Mechanical Conduction Monitor
" g# N) i9 W# O0 C, y& j/ j * 40 - Field Relay
" C* O( L1 f e' j6 ]) z * 41 - Field Circuit Breaker
5 v: l' V8 b, e/ G0 P * 42 - Running Circuit Breaker0 H6 F% C& d& J; y7 k/ t
* 43 - Manual Transfer or Selector Device3 r. l8 R, ^6 E. ?
* 46 - Reverse-phase or Phase-Balance Relay, g) [. @' q9 E* y9 _3 r
* 47 - Phase-Sequence Voltage Relay
; |2 h) K. ` |) \1 R1 J' j- ? * 48 - Incomplete-Sequence Relay
' ]4 b0 O1 Y, ^8 ]* c * 49 - Machine or Transformer Thermal Relay
$ C' c3 j: } T" O: a' i * 50 - Instantaneous Overcurrent" p0 F/ k- I3 Q/ n; E! T& r
* 51 - AC Time Overcurrent Relay1 w" P/ Z' s' s/ p
* 52 - AC Circuit Breaker/ g, Z( n2 I, {8 P$ s: q
* 53 - Exciter or DC Generator Relay1 ]$ f5 u5 S1 a0 O: e: n
* 54 - High-Speed DC Circuit Breaker
; E: ?3 k& a. j5 F" G * 55 - Power Factor Relay8 D* e" }3 Q$ _. I9 V$ F& N
* 56 - Field Application Relay& o* I6 K3 h" |+ g% [1 N% G
* 59 - Overvoltage Relay V7 b6 t& m" @
* 60 - Voltage or Current Balance Relay
' x* _* A4 b9 ?7 `2 Z. o ?. p * 61 - Machine Split Phase Current Balance7 c8 @+ R3 t* Y& A
* 62 - Time-Delay Stopping or Opening Relay+ j" h3 W! U4 g* }
* 63 - Pressure Switch
$ M! p7 s; |9 V2 W+ }* X * 64 - Ground Detector Relay
& j2 v! q1 u' ]! N# m * 65 - Governor
- g: c$ R+ J( l* J * 66 - Starts per Hour
) C5 h' c% P( p* S# l: |8 z& D% f * 67 - AC Directional Overcurrent Relay
& {% [% i* e) t# x$ T9 I * 68 - Blocking Relay" e3 l! p7 r+ f3 s, ?: i0 |# `. |
* 69 - Permissive Control Device& @) }3 g4 d+ x- `& \
* 71 - Level Switch8 c. Z1 l/ T0 {
* 72 - DC Circuit Breaker
: b/ R$ Y. l* B) \2 p9 p * 74 - Alarm Relay
6 x6 {% u1 K, l/ Z" p' @ * 75 - Position Changing Mechanism
* r/ u! w5 T3 E) F8 i * 76 - DC Overcurrent Relay
* R+ M$ X0 S/ I; i * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay; T7 Q \$ Q* v, A7 P
* 79 - AC-Reclosing Relay) r' ?. M, S8 @# h) \3 e
* 81 - Frequency Relay# U5 q7 _4 z. Z+ K3 Q
* 83 - Automatic Selective Control or Transfer Relay
' q A. {4 r" C* g * 84 - Operating Mechanism- v& ~5 u/ [) F5 C, ], Z
* 85 - Carrier or Pilot-Wire Receiver Relay" U$ l/ E G2 H* G8 l6 ?+ e
* 86 - Lockout Relay) A" h- x; X" c' U; W& }. `* k6 L
* 87 - Differential Protective Relay
+ d& H5 j( r% n) `) u& f4 o' T% V * 89 - Line Switch
+ Z( i$ S# D) U6 J * 90 - Regulating Device
4 D; j/ K- Y9 i! z+ k * 91 - Voltage Directional Relay" b, F% d8 L' r* R: U) [& p- R5 t8 e
* 92 - Voltage and Power Directional Relay
6 N7 D9 E) P, c! k * 94 - Tripping or Trip-Free Relay
: y# e# [5 @) s" ^' k, q * 95 - Reluctance Torque Synchrocheck1 R* H* k4 `' |, T+ N% d6 f4 U
* 96 - Autoloading Relay |
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