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List of Device Numbers! g+ @; |6 x G! G/ Z8 t
Click to learn more...( F* q* g7 J8 a6 |: P' u
. K. M6 r2 O0 v3 h: i4 L3 } * 1 - Master Element% c: F' k2 b. F
* 2 - Time Delay Starting or Closing Relay
3 M" x! S; P/ U# r, u' _4 c * 3 - Checking or Interlocking Relay4 T- P: Y H3 z/ m, @
* 4 - Master Contactor
2 M. {) w3 m0 R5 m4 ^ * 5 - Stopping Device$ q) |0 e: W+ u. E( O! w
* 6 - Starting Circuit Breaker: m8 t% r$ k" B0 E$ x% z
* 7 - Anode Circuit Breaker; ` @9 b, c2 v6 a3 ~6 ]
* 8 - Control Power Disconnecting Device! Y6 f- b5 d3 c: b) P: V4 Z
* 9 - Reversing Device
! @5 G4 N! E# _ * 10 - Unit Sequence Switch/ x2 O9 u' i L& H- ^
* 12 - Overspeed Device" j& V$ Z$ K g) N5 E+ m# @
* 13 - Synchronous-speed Device
6 K- H0 W, t& g6 ~! _3 A( d; U& }% r * 14 - Underspeed Device: S$ L3 R9 T" \
* 15 - Speed - or Frequency-Matching Device* s& l& Q! f- n* b
* 21 - Distance Relay) d# f/ @" E3 h
* 23 - Temperature Control Device, s" K- @6 Y; |3 T5 \* \$ h2 G$ T/ a
* 25 - Synchronizing or Synchronism-Check Device: F) s( z* L2 E1 q6 c' j
* 26 - Apparatus Thermal Device
8 X0 p+ u& ^+ r T* _( e( Q * 27 - Undervoltage Relay5 z/ N$ [8 p/ ^3 `
* 29 - Isolating Contactor
* i2 m0 `$ s. F B3 I6 \) j! [3 O * 30 - Annunciator Relay
9 n: w! B9 s5 ~1 Y * 32 - Directional Power Relay
7 X* d: w# F/ p9 i, F * 36 - Polarity or Polarizing Voltage Devices
( E' X/ p( m( I: i * 37 - Undercurrent or Underpower Relay
4 T4 r `& T: J# `3 @" h * 38 - Bearing Protective Device6 K6 s1 U6 ^/ d( B8 k; z
* 39 - Mechanical Conduction Monitor
1 C# H$ ~( c2 f* Z6 p: k e2 E * 40 - Field Relay& F p5 T! K* c0 y
* 41 - Field Circuit Breaker1 U( E+ a( N1 H* F D8 U9 W
* 42 - Running Circuit Breaker) l1 B7 R2 H* R
* 43 - Manual Transfer or Selector Device) A; ^4 s6 z3 e- D; ]8 _
* 46 - Reverse-phase or Phase-Balance Relay
# k: S8 P% @$ b& q * 47 - Phase-Sequence Voltage Relay; M0 w, p& i9 p6 ]% L
* 48 - Incomplete-Sequence Relay
$ h! ?6 f7 i7 p" h9 W * 49 - Machine or Transformer Thermal Relay2 x" U2 h; ^ s/ }/ R2 L
* 50 - Instantaneous Overcurrent
' }8 `0 ?6 Z0 L, g) Q * 51 - AC Time Overcurrent Relay" t: q7 A% f4 B3 V
* 52 - AC Circuit Breaker
, H+ L' @4 C+ \3 L( T) W * 53 - Exciter or DC Generator Relay
& T, B3 @" a+ l* R * 54 - High-Speed DC Circuit Breaker
2 I$ ~# ^' {5 q7 Z4 ? * 55 - Power Factor Relay; t& P+ v( \- i( z! E( T
* 56 - Field Application Relay
! y) }( T2 Y8 ` r * 59 - Overvoltage Relay, i! z( L5 f/ M" z
* 60 - Voltage or Current Balance Relay
# M$ C3 O* C5 R, [5 ^, c * 61 - Machine Split Phase Current Balance" B0 t6 R* d& r
* 62 - Time-Delay Stopping or Opening Relay1 P% I6 D! e" E
* 63 - Pressure Switch" m$ o. F7 |/ `: g$ G: s0 e1 s$ e4 m
* 64 - Ground Detector Relay
8 j4 Q; H3 r4 u0 t( x. b * 65 - Governor7 }. G) P S0 q' y4 J
* 66 - Starts per Hour
9 o2 U3 c) e; }+ J( M6 A * 67 - AC Directional Overcurrent Relay
9 O6 i% x& O/ C+ J/ _/ F/ {0 I+ K" U * 68 - Blocking Relay
/ ~8 _' o3 C3 E7 } * 69 - Permissive Control Device1 t, F" {2 J, T- R1 M0 u+ L+ z
* 71 - Level Switch1 S6 N" R0 D- k4 W0 Q' b- G
* 72 - DC Circuit Breaker# V0 c3 h) R" d% Z
* 74 - Alarm Relay
$ |0 ]) y# v) L7 W1 e * 75 - Position Changing Mechanism7 }9 s2 D" Y# E \
* 76 - DC Overcurrent Relay
3 j/ F% X- o, g( S * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
6 U7 ~) P5 @( F4 n * 79 - AC-Reclosing Relay
) u Z7 r9 P2 r" a+ \7 ? * 81 - Frequency Relay3 p* O* O7 P4 N4 h) }, k. U
* 83 - Automatic Selective Control or Transfer Relay
2 J4 {7 O- p( @* {8 d * 84 - Operating Mechanism
% R2 E3 [& Q( O7 ^& Q4 ~! D * 85 - Carrier or Pilot-Wire Receiver Relay1 P, W' C/ i, V$ ]* I# B
* 86 - Lockout Relay* R6 V" N z+ k. U8 w1 F) ?2 ~
* 87 - Differential Protective Relay, Y4 p4 H5 W9 F0 U
* 89 - Line Switch
8 |9 b% H% ?' S2 k: o * 90 - Regulating Device
, I! p h/ U* `9 |0 r * 91 - Voltage Directional Relay# Y4 S- X' i$ y6 O$ \" {9 B
* 92 - Voltage and Power Directional Relay ^, D! o0 z2 u# u
* 94 - Tripping or Trip-Free Relay8 q( U. U% [+ `( F& H8 t
* 95 - Reluctance Torque Synchrocheck* L( a3 k' T# ]5 i
* 96 - Autoloading Relay |
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