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List of Device Numbers
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) r0 E6 E' |: ?7 G7 V4 v3 [1 |7 q" b * 1 - Master Element7 x! a" S. D- R+ K! L+ o* q
* 2 - Time Delay Starting or Closing Relay
* K8 F. ]: q. D! r# f * 3 - Checking or Interlocking Relay, S) o! }4 J/ G6 H X
* 4 - Master Contactor
+ \8 _& \9 I, n5 m * 5 - Stopping Device
- w& I+ q6 i1 x P! [, U4 i * 6 - Starting Circuit Breaker
6 C/ ^4 o: j' h7 f7 J; K * 7 - Anode Circuit Breaker
$ \$ d$ s8 I4 T4 s, |3 ^ * 8 - Control Power Disconnecting Device) E# \: b0 \( Z @5 c
* 9 - Reversing Device2 T4 L( w2 S- V6 J. ~
* 10 - Unit Sequence Switch
8 A" Z7 h* e; b, ^! _ * 12 - Overspeed Device* u& [' H4 u. T0 V7 m
* 13 - Synchronous-speed Device
L! R+ ?1 f7 V. p# C/ g * 14 - Underspeed Device
9 \: t7 M5 I' X5 P Q X8 c+ ? * 15 - Speed - or Frequency-Matching Device
: e$ f# s2 |- C0 f | * 21 - Distance Relay( T& v7 C: x6 E, a1 w) E5 n8 H
* 23 - Temperature Control Device
4 E% }' q& Z h4 O @' x * 25 - Synchronizing or Synchronism-Check Device
. E, w8 \& B6 k4 D2 t g * 26 - Apparatus Thermal Device. x8 `2 Z4 w3 D7 g* ^: g) ]: ?1 X
* 27 - Undervoltage Relay% X* b9 A0 e' y3 S; K. Y
* 29 - Isolating Contactor( p0 M1 s6 I1 o
* 30 - Annunciator Relay
3 _8 w# x1 W6 l5 P6 j3 l5 M0 J * 32 - Directional Power Relay' e6 j# c% e. R+ a
* 36 - Polarity or Polarizing Voltage Devices
6 t+ q* p- o0 ?+ T * 37 - Undercurrent or Underpower Relay
5 L' o9 C1 i: B( ~ * 38 - Bearing Protective Device
" k6 ~/ o: @ z7 e8 U * 39 - Mechanical Conduction Monitor
: o) \! P& t# G3 [6 x$ } * 40 - Field Relay
% r5 S, Q: M) n0 t- r' m- I * 41 - Field Circuit Breaker
2 Q. b) R& i6 ^ * 42 - Running Circuit Breaker" k* E1 E M$ I
* 43 - Manual Transfer or Selector Device0 i3 Z. A; p) f- N' B
* 46 - Reverse-phase or Phase-Balance Relay
% J8 P4 R9 |4 S" N0 U4 I) y$ a/ W * 47 - Phase-Sequence Voltage Relay3 ?3 n ]. P- v9 g; [1 e
* 48 - Incomplete-Sequence Relay
! e, ~& Y9 @ Y7 q * 49 - Machine or Transformer Thermal Relay
+ ?& y; B6 R+ } U1 |2 g * 50 - Instantaneous Overcurrent
: S1 z/ m" u* F: B. ~ * 51 - AC Time Overcurrent Relay
- G$ b' M2 p# ~) g$ q * 52 - AC Circuit Breaker; X0 N: B/ K! A
* 53 - Exciter or DC Generator Relay
9 M' o6 W1 f" M8 P5 G * 54 - High-Speed DC Circuit Breaker
$ V, L8 r6 P* x* L `2 c * 55 - Power Factor Relay- I4 w B- F( |8 ^8 n% o+ u( T
* 56 - Field Application Relay
4 N' `! q. k* k3 G0 B5 c * 59 - Overvoltage Relay
9 e2 V3 \3 H9 W5 m* ^. A * 60 - Voltage or Current Balance Relay
( X# r8 A; S8 h5 q$ L7 k' [ * 61 - Machine Split Phase Current Balance. R2 T5 C5 G. c
* 62 - Time-Delay Stopping or Opening Relay
' h- I% B3 p0 K8 E7 I1 G3 c/ Y' E+ T5 | * 63 - Pressure Switch9 ~0 Q* m4 e2 b, X5 r$ f: Y
* 64 - Ground Detector Relay
" ^5 V/ e6 D" \ * 65 - Governor6 C+ f# i4 \3 L
* 66 - Starts per Hour
- N$ ]! c6 Z+ Z * 67 - AC Directional Overcurrent Relay
+ W8 n* H6 C# s0 b) D, J * 68 - Blocking Relay
Y. C- [ P. @% i* i! ?: \ * 69 - Permissive Control Device
- {4 Q9 Q$ H0 g7 T& H0 x4 ]: a * 71 - Level Switch
, W) L0 T d- {; I * 72 - DC Circuit Breaker
W: E0 Q+ G' ~ c8 F5 q7 C * 74 - Alarm Relay
& D, A; F' ]: J! E; N1 E * 75 - Position Changing Mechanism
4 f; }. g; I* b9 U/ U3 T# ]8 T8 O7 m7 S * 76 - DC Overcurrent Relay
( e- J' U9 R! t; h% b$ U * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
8 r6 a: s. B# x& u! [7 l2 c% Y3 f * 79 - AC-Reclosing Relay& n! X; v- p$ y! W& C/ ~; c. Y
* 81 - Frequency Relay) E* t* r# m3 g. N# z _
* 83 - Automatic Selective Control or Transfer Relay; m3 q# H4 s9 E5 Y% o: L" k: X
* 84 - Operating Mechanism
# a$ T+ W9 O. b2 X4 V. }0 ? * 85 - Carrier or Pilot-Wire Receiver Relay, e" A, q0 C0 O5 a7 |, o) Z, m' s
* 86 - Lockout Relay: b4 H7 w+ u" P8 L0 J
* 87 - Differential Protective Relay
3 ^8 t6 h; G# O * 89 - Line Switch
* q6 z. s3 |. c9 Q * 90 - Regulating Device* R# A: P* _8 K9 O. V% x
* 91 - Voltage Directional Relay- {& s! G1 Y& k
* 92 - Voltage and Power Directional Relay$ t3 b# H- {* T8 ~7 d
* 94 - Tripping or Trip-Free Relay1 ]& b& m3 x! d7 r) ?- h9 v% ?
* 95 - Reluctance Torque Synchrocheck: B3 I& b* Z1 Y2 q# k7 h/ \
* 96 - Autoloading Relay |
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