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List of Device Numbers4 _3 ^+ o! E0 t6 I. i
Click to learn more...* Y# A7 ]" G* {* {- O2 f
* Y( }. k# u- X9 V ? * 1 - Master Element
3 i9 T' P7 Z7 @4 l' \0 U1 W* y * 2 - Time Delay Starting or Closing Relay
* h* y( A" W+ ^5 K3 y3 N * 3 - Checking or Interlocking Relay
& _; i! f" u, A" m- q3 z, _4 [ * 4 - Master Contactor
# n% J6 q& b- e7 D/ J2 J * 5 - Stopping Device
! O0 c$ O: p# a * 6 - Starting Circuit Breaker; W4 }5 Q6 ^; `5 f5 F+ X$ g6 E
* 7 - Anode Circuit Breaker
g( [$ ~: n% V6 x* ^6 T * 8 - Control Power Disconnecting Device8 S9 v0 w% ^" L! m
* 9 - Reversing Device, k0 y3 F6 c2 t
* 10 - Unit Sequence Switch
% N% D. F$ f0 o) ? * 12 - Overspeed Device0 O2 v9 q3 Q2 d. [
* 13 - Synchronous-speed Device* \( f; ^ E3 r
* 14 - Underspeed Device; m) \6 c* L: |; A
* 15 - Speed - or Frequency-Matching Device9 n% s2 ]$ T* w" ~
* 21 - Distance Relay8 R% p6 M& p, _* y2 _4 r- B
* 23 - Temperature Control Device! l: E/ @9 i0 Q+ N( B$ m
* 25 - Synchronizing or Synchronism-Check Device
! A' k1 M. l7 T7 d1 ~" u' p4 ], p * 26 - Apparatus Thermal Device# R! o6 P+ ]2 c& u8 R1 M
* 27 - Undervoltage Relay
8 |8 D U9 E1 m, G( Z * 29 - Isolating Contactor8 i; S3 w+ s( T9 c
* 30 - Annunciator Relay: h% }7 m' H7 _
* 32 - Directional Power Relay
7 R4 X; _, ^3 z& M1 B * 36 - Polarity or Polarizing Voltage Devices
@' _# j; I% ^/ g6 ^ * 37 - Undercurrent or Underpower Relay2 ?" e0 c& }3 `; f* ]" T
* 38 - Bearing Protective Device( ~; A' N& R( N4 z: T0 [, g
* 39 - Mechanical Conduction Monitor! }1 [% T5 R8 S0 ?1 f4 }
* 40 - Field Relay7 e1 ?! B0 x' v% `+ n
* 41 - Field Circuit Breaker' s, P$ L+ ~- Z4 ^7 O% l) H( W% p- v
* 42 - Running Circuit Breaker
( T9 M0 ]9 u; o! D/ l' B * 43 - Manual Transfer or Selector Device" @$ o& J4 l" q/ h" L; g0 |
* 46 - Reverse-phase or Phase-Balance Relay! f6 W, b, M8 f
* 47 - Phase-Sequence Voltage Relay
: I! M: |/ @& E9 {# H$ f * 48 - Incomplete-Sequence Relay7 f7 e, d0 E- c; ^7 g- ~. H
* 49 - Machine or Transformer Thermal Relay
& ^1 l$ y/ d, b2 [! X2 h * 50 - Instantaneous Overcurrent! X' Y" H8 U4 \: \2 z+ q8 ~
* 51 - AC Time Overcurrent Relay8 u6 s5 _" \0 C" u# P- E* k6 \
* 52 - AC Circuit Breaker9 G7 }7 d7 V# N* b5 r' `0 J3 Z
* 53 - Exciter or DC Generator Relay
/ ]" ]% R* r# x4 o" a8 w6 r * 54 - High-Speed DC Circuit Breaker j2 G$ p) O5 j2 V
* 55 - Power Factor Relay" s( I3 ^! r. e# R; A0 W# y
* 56 - Field Application Relay' g; I# C0 b6 Z8 u4 `9 w4 G k
* 59 - Overvoltage Relay
( T( D3 W% n$ z9 W * 60 - Voltage or Current Balance Relay
9 z0 @3 a% |5 `1 x, J * 61 - Machine Split Phase Current Balance; i* r5 C. D ^, d) C
* 62 - Time-Delay Stopping or Opening Relay# w4 E7 Q% g/ f$ ?( j2 g9 o0 ]
* 63 - Pressure Switch
9 P0 t) ~) v4 N! S5 z/ C0 U: t * 64 - Ground Detector Relay% s) j c, R; \$ P/ T+ w
* 65 - Governor7 B% A8 u; x! o8 q1 ?; w2 z+ U
* 66 - Starts per Hour8 c0 q, w! Q* w' M8 F. W
* 67 - AC Directional Overcurrent Relay, B0 g- @7 H2 L/ e# Q5 L
* 68 - Blocking Relay+ h% c, m6 X6 w6 R
* 69 - Permissive Control Device
! D' B6 t# L5 L. }" G * 71 - Level Switch
9 V4 z. e$ ~1 M& J * 72 - DC Circuit Breaker- i+ ?0 ]% B1 S" ?3 n
* 74 - Alarm Relay( n# C" I, r/ i3 ^: X- x. D
* 75 - Position Changing Mechanism, Y+ e9 A/ }" Y% n4 X- Y, r2 M( z( Q
* 76 - DC Overcurrent Relay6 ?+ ~" {4 G' d+ R9 `1 x+ Q% I
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
! o6 O e1 l4 F# \" H, c( C * 79 - AC-Reclosing Relay
- j$ E( m4 F+ C# j9 P7 T* g * 81 - Frequency Relay: {. o! @* d' Q
* 83 - Automatic Selective Control or Transfer Relay
" s1 Y5 [: P0 v/ } * 84 - Operating Mechanism. M% A5 N o' M# S: |: V0 R3 |
* 85 - Carrier or Pilot-Wire Receiver Relay. T! l5 A# z8 g& B. j2 y
* 86 - Lockout Relay
6 N& W: \6 E9 S, P P * 87 - Differential Protective Relay
( D2 p/ r- l4 y- c3 Y * 89 - Line Switch& K. i+ \$ `0 {1 _9 V1 b
* 90 - Regulating Device6 O; P; n( n* A* x1 x" A# V
* 91 - Voltage Directional Relay
* B k) p( ~/ h7 F5 E; n6 O% D * 92 - Voltage and Power Directional Relay
" P9 L& n0 u h3 Y1 S2 B. E * 94 - Tripping or Trip-Free Relay
/ c7 a p1 J& [2 B3 P6 E * 95 - Reluctance Torque Synchrocheck
* h+ l u4 h& g2 V# }2 G2 |" h * 96 - Autoloading Relay |
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