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List of Device Numbers& Y$ I7 Q. K7 x! b- I! b! z
Click to learn more...0 p/ }3 w- \, h7 B2 l& K+ Q$ N+ H
# }0 @( ^& E$ ^ * 1 - Master Element1 W0 h& |0 i9 e
* 2 - Time Delay Starting or Closing Relay
6 f! c' O( L; O! v. Y) U * 3 - Checking or Interlocking Relay" K7 ?8 @$ L# U6 x, I- f) z
* 4 - Master Contactor
) E4 C6 R& x( l* f$ Q% d" v * 5 - Stopping Device0 y- x4 [( p7 f7 o3 |, I9 N
* 6 - Starting Circuit Breaker) s p9 j+ Z6 Q, e- b' G3 |
* 7 - Anode Circuit Breaker2 ~) k- z0 E f, T
* 8 - Control Power Disconnecting Device
5 D; k1 }$ R3 m * 9 - Reversing Device2 n& n0 c5 d" ~3 L/ Y9 R
* 10 - Unit Sequence Switch4 P" w# U" _: b3 ^, G
* 12 - Overspeed Device
" ]7 l' n+ _7 O/ R- Y * 13 - Synchronous-speed Device* M+ D3 r/ ^7 `1 l* q
* 14 - Underspeed Device
, ]4 _9 {" Q% {: c * 15 - Speed - or Frequency-Matching Device
/ \5 H- ^" V1 s8 y3 e * 21 - Distance Relay
7 {$ V% l: Q; Y5 ^; z, e9 @6 y& k" u * 23 - Temperature Control Device6 Z% u% `6 q6 P4 Z P( d# o
* 25 - Synchronizing or Synchronism-Check Device( h+ ^ q8 E% {. ?. Y
* 26 - Apparatus Thermal Device
) W7 M, i' p5 V/ ?' C' ~0 Q * 27 - Undervoltage Relay# |" n+ j/ P3 m. o: V5 ^5 ~
* 29 - Isolating Contactor: U1 o0 y: [1 l% i* v
* 30 - Annunciator Relay. N# f* ]; e$ L, g" T$ u
* 32 - Directional Power Relay
% g5 W: v" {5 W: i: | * 36 - Polarity or Polarizing Voltage Devices9 Z8 M. S! O2 [/ I" s
* 37 - Undercurrent or Underpower Relay3 k& P4 R: z" ~1 x+ i0 t1 d, N
* 38 - Bearing Protective Device
. R" h( Z: |) K- K5 K7 R V- L * 39 - Mechanical Conduction Monitor4 X& `( v% ~( _) D) y
* 40 - Field Relay
: d& {- ?9 k: r7 b& U; ^6 { * 41 - Field Circuit Breaker
u" t# x( R6 V4 E3 @# `: P * 42 - Running Circuit Breaker
5 t. `; U; c- ]! c/ R* V6 @ * 43 - Manual Transfer or Selector Device
* W: i) z, t# \% o* y' Y * 46 - Reverse-phase or Phase-Balance Relay
9 Q- k: H& c9 p2 {- {" H * 47 - Phase-Sequence Voltage Relay
* n2 D( G! H% l6 `. v+ @5 g4 @/ t) C * 48 - Incomplete-Sequence Relay9 @; v' i8 [! @, A" |1 B
* 49 - Machine or Transformer Thermal Relay
3 J; O/ c; b$ S& h; I M * 50 - Instantaneous Overcurrent
* Z5 ^7 z- ~ F$ ] * 51 - AC Time Overcurrent Relay1 [7 n7 H9 w$ S+ u. o0 N( A
* 52 - AC Circuit Breaker
& a, N% O3 {& i3 P* z+ B; a, H * 53 - Exciter or DC Generator Relay9 H7 o9 N: ^/ w) L. q- f3 e, V
* 54 - High-Speed DC Circuit Breaker
0 a$ m/ E$ [0 b# Z8 L$ _ * 55 - Power Factor Relay; q# f) [- \% G; F; b' j# n
* 56 - Field Application Relay4 t* y- C$ z. E' c' o" X. V
* 59 - Overvoltage Relay
1 f# ]5 g$ X2 u- a/ c * 60 - Voltage or Current Balance Relay3 c! `- ]2 ~ @) g0 g# D
* 61 - Machine Split Phase Current Balance, K8 U1 B) Q1 M5 p8 h
* 62 - Time-Delay Stopping or Opening Relay& k) D% q1 l" M, \/ ^
* 63 - Pressure Switch
' f3 h3 D* Y8 P k2 z * 64 - Ground Detector Relay7 }$ r3 g* K0 Z9 s9 z' L
* 65 - Governor+ W; U( `, Q" r# D
* 66 - Starts per Hour- v( M7 x* w1 u+ _4 W
* 67 - AC Directional Overcurrent Relay
6 b- ?( L/ L0 L; q* i1 U$ Y * 68 - Blocking Relay
/ G! y% ~0 u5 f, I * 69 - Permissive Control Device
* N7 g6 s, K4 L( C/ Q5 @& Q1 c * 71 - Level Switch7 h: o/ R1 s% n8 u5 m9 ^
* 72 - DC Circuit Breaker
: T& F1 R3 v: q- n. F. ~/ G * 74 - Alarm Relay
( v p" o3 Y! |- _ * 75 - Position Changing Mechanism
5 o3 a1 c. |0 w: R. ^1 z" { * 76 - DC Overcurrent Relay
% C0 \1 R1 l- F3 @! E6 _ * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
4 T! D, O! T$ j; ]5 v * 79 - AC-Reclosing Relay5 L t0 `; o9 u$ t, H1 G
* 81 - Frequency Relay/ `( g) T( @8 e$ l7 n9 Z" ]
* 83 - Automatic Selective Control or Transfer Relay
) J6 A7 R( ]( h# A. k- F' E2 s- u0 K * 84 - Operating Mechanism
_ F' K# x4 }1 B * 85 - Carrier or Pilot-Wire Receiver Relay
+ f8 V$ K, k9 m' Q$ C, J4 N * 86 - Lockout Relay2 t% n, b2 ]3 T6 H$ [, F6 s! E
* 87 - Differential Protective Relay
4 P: Z! q" f7 i6 }" c& w" i * 89 - Line Switch+ Z6 W; b# Y3 }3 p% T
* 90 - Regulating Device
1 l3 Q7 C! Z, g * 91 - Voltage Directional Relay* z0 f6 D7 \6 {; R: @9 j; H
* 92 - Voltage and Power Directional Relay
( O" }3 ?$ y6 Q5 X5 s1 e7 t * 94 - Tripping or Trip-Free Relay5 m/ v5 p; q+ D5 Q5 G9 {" H: ]7 u! Z, q# `
* 95 - Reluctance Torque Synchrocheck1 I) @7 J" J' _! Y. X8 H
* 96 - Autoloading Relay |
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