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List of Device Numbers
0 m$ @9 M, V1 C2 i2 W$ hClick to learn more..., Q$ o/ o! ]0 a# }4 e$ `
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* 1 - Master Element
2 Q( L7 E0 U a# K1 }1 X * 2 - Time Delay Starting or Closing Relay9 K# ~, y9 {* h7 h! e* g3 S
* 3 - Checking or Interlocking Relay
7 r r) Q1 u C# Y$ q3 R7 v1 e * 4 - Master Contactor2 L/ f: l }9 j* q+ U: X- |( ?: P8 |
* 5 - Stopping Device
% N; x9 j: g2 |7 I) I3 E1 i * 6 - Starting Circuit Breaker0 i, G1 E6 k1 K; B; Z) C- u
* 7 - Anode Circuit Breaker
# P( ~( \3 K3 j$ E( }9 _& X * 8 - Control Power Disconnecting Device. L+ ]( e; ]4 e8 {/ t- e# M
* 9 - Reversing Device
, m$ r( |: ~$ n * 10 - Unit Sequence Switch7 B$ @4 O1 p- L3 k
* 12 - Overspeed Device$ ]$ `- _. T5 p
* 13 - Synchronous-speed Device8 d6 G5 |0 k1 k" }! W
* 14 - Underspeed Device" {3 b9 V f9 H B
* 15 - Speed - or Frequency-Matching Device
z/ \( s+ [# G! {& C/ m8 H3 E * 21 - Distance Relay
5 y( e M$ t1 c7 v, v/ b * 23 - Temperature Control Device
1 j0 b" W0 h0 M0 w2 Z( @1 w% N * 25 - Synchronizing or Synchronism-Check Device, M9 Z4 S% j) |$ b
* 26 - Apparatus Thermal Device
1 {) f. c6 D1 ^9 D1 M * 27 - Undervoltage Relay
3 G5 p4 _9 T% M) A * 29 - Isolating Contactor, Q9 E8 l# ]4 `/ ~
* 30 - Annunciator Relay" B2 c: i3 }9 ~! K/ x4 s
* 32 - Directional Power Relay
5 Y0 [$ a; o2 A2 b9 B( b5 t * 36 - Polarity or Polarizing Voltage Devices
8 Y: e# I2 b# N) M * 37 - Undercurrent or Underpower Relay) g/ m% R2 C9 o, q- r
* 38 - Bearing Protective Device/ l! I: h6 [5 U
* 39 - Mechanical Conduction Monitor
1 z: M; g9 u" i * 40 - Field Relay
0 M6 w+ ~5 q( W7 y3 P * 41 - Field Circuit Breaker0 [: X( \/ V4 c( C0 W
* 42 - Running Circuit Breaker0 }; y! Z0 E' R* s
* 43 - Manual Transfer or Selector Device
7 f! o/ Z: V" l# I Q * 46 - Reverse-phase or Phase-Balance Relay2 T/ h* f: S* p+ h5 |0 e# Z
* 47 - Phase-Sequence Voltage Relay( a4 B: t8 \5 G1 V/ L! x
* 48 - Incomplete-Sequence Relay
6 Z. c7 {$ f- [ * 49 - Machine or Transformer Thermal Relay3 C6 V4 l+ L# r% v' j' `0 V
* 50 - Instantaneous Overcurrent
# I% l7 s# u$ i2 D8 W * 51 - AC Time Overcurrent Relay% K* h# z. X) B6 D3 }7 J
* 52 - AC Circuit Breaker
6 m2 H; F+ s6 w- P * 53 - Exciter or DC Generator Relay
, j* j6 @7 K. m# r1 ~7 K * 54 - High-Speed DC Circuit Breaker# m3 Q2 Z \# L, r m1 }
* 55 - Power Factor Relay8 L: W8 F' r. i" L
* 56 - Field Application Relay+ [1 N% N6 E$ I+ E3 v8 p% g
* 59 - Overvoltage Relay$ B: D- L. M& r1 c8 `
* 60 - Voltage or Current Balance Relay
+ G3 C$ E* O( n* R: H; T * 61 - Machine Split Phase Current Balance7 ^" U% o. l" @9 @ l
* 62 - Time-Delay Stopping or Opening Relay4 n& Y, b3 f. Z, F' n1 J$ u
* 63 - Pressure Switch
$ ^! h/ G; @; D/ H$ B$ t! q" L# d * 64 - Ground Detector Relay Q$ p ` b, L' \* w3 p
* 65 - Governor5 k8 b5 o: p# `
* 66 - Starts per Hour
/ \5 P2 W! z! n. k) e: I+ s * 67 - AC Directional Overcurrent Relay. Y- q% O9 M" f' o+ c2 p
* 68 - Blocking Relay" X& t/ z7 v1 [+ o
* 69 - Permissive Control Device
; M. a; O# H8 t7 D# @ * 71 - Level Switch
0 C7 t9 X, W0 \& {) p4 C! Q; r/ y * 72 - DC Circuit Breaker( ^7 z" O/ j8 @- d) i& O6 w/ i I* |
* 74 - Alarm Relay9 n, b/ Q! [. u- {3 Q
* 75 - Position Changing Mechanism! j* i, K: y. p k( e' A
* 76 - DC Overcurrent Relay
& M4 y0 @& m5 ^; @% {- j * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
! K. f4 p" s! P) d. h+ y% e0 o * 79 - AC-Reclosing Relay
0 X9 U9 c6 g+ t/ i/ J3 P3 G. Z * 81 - Frequency Relay8 U z, V+ ~ t( B" h' \+ [' N- G
* 83 - Automatic Selective Control or Transfer Relay1 m' I" c7 p( ]+ T
* 84 - Operating Mechanism, s% D+ ~0 G: n* p1 F) `
* 85 - Carrier or Pilot-Wire Receiver Relay3 n& j$ q5 T. b2 C/ M* M `3 ]
* 86 - Lockout Relay
7 B0 r9 [; w$ A, B$ | Z * 87 - Differential Protective Relay6 Q+ e) a6 S+ ?& S1 _$ x' X5 `
* 89 - Line Switch4 I( W2 d; I Z
* 90 - Regulating Device; d' ^# z0 O. `! }' O3 l+ [
* 91 - Voltage Directional Relay! P. l2 y% F1 t* w" G' l: y
* 92 - Voltage and Power Directional Relay
+ g/ e2 ^! O- I0 W! A * 94 - Tripping or Trip-Free Relay
# Z; y% A' B" ?3 B1 F * 95 - Reluctance Torque Synchrocheck# b" }8 U! B5 {, N( C5 a; G
* 96 - Autoloading Relay |
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