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List of Device Numbers; n( ]. V3 L. v0 c& f2 H/ x
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* 1 - Master Element
* W( _$ j8 m. `8 ^1 C. L1 g9 k8 K6 S * 2 - Time Delay Starting or Closing Relay
) w* i! k! `+ P! d1 p* I * 3 - Checking or Interlocking Relay Y0 V/ ~! Y* y
* 4 - Master Contactor7 F6 O* U) Q: x8 N5 v; }. y
* 5 - Stopping Device3 h# v" b% W# \& s3 ]) w
* 6 - Starting Circuit Breaker9 y% W) U4 _7 Y( E7 v
* 7 - Anode Circuit Breaker
2 S& F+ ~4 L5 v. N# ^2 _* z! K6 ? * 8 - Control Power Disconnecting Device: g. t# q6 H8 ]' G, g5 P
* 9 - Reversing Device+ B8 o' @' S: |- B( P" A
* 10 - Unit Sequence Switch$ ]6 L$ u# _/ g. S# F
* 12 - Overspeed Device
9 s% a9 f+ p$ h% I. U9 c/ _ * 13 - Synchronous-speed Device
/ g2 E# C8 A2 u4 S: G6 r * 14 - Underspeed Device
' z( T/ m- S4 U3 W; i4 V * 15 - Speed - or Frequency-Matching Device( A* d( Q7 ?: o
* 21 - Distance Relay, y$ q4 O" _# u+ N) l
* 23 - Temperature Control Device( \& z, G: o3 w5 ~
* 25 - Synchronizing or Synchronism-Check Device$ b# Q! t- E( C! h$ n# M6 r
* 26 - Apparatus Thermal Device8 `3 v5 D, N+ b+ a. d! s9 u
* 27 - Undervoltage Relay
8 L c, L) v! ]$ w9 p * 29 - Isolating Contactor
U/ a, o9 |1 T * 30 - Annunciator Relay
+ F$ F( v$ J, z * 32 - Directional Power Relay
4 L+ l0 n& W" p( j- m * 36 - Polarity or Polarizing Voltage Devices
) p# V8 T; h, h9 c& p * 37 - Undercurrent or Underpower Relay% h, `* v& s4 `+ P0 ^2 I4 S: s
* 38 - Bearing Protective Device
$ ] A% Q- k! [+ y4 _$ W$ [ * 39 - Mechanical Conduction Monitor% t. D& F6 S% x
* 40 - Field Relay' c9 u3 O" W- d7 R" x
* 41 - Field Circuit Breaker
: S( ~1 I C7 l9 s+ A& K * 42 - Running Circuit Breaker8 A, d2 V. R' {% h7 O
* 43 - Manual Transfer or Selector Device: Z, [4 K- Q/ S2 g, z
* 46 - Reverse-phase or Phase-Balance Relay8 a1 B* K& }6 O' g; \7 j
* 47 - Phase-Sequence Voltage Relay$ ~6 P+ }6 k2 H i. s. p
* 48 - Incomplete-Sequence Relay5 R4 f e& m5 U# |) D+ Z. ~
* 49 - Machine or Transformer Thermal Relay
4 C; g! _" q8 a4 ^' T * 50 - Instantaneous Overcurrent
( @/ X+ \/ q% h; o# ], { * 51 - AC Time Overcurrent Relay, N8 f( @9 }9 F4 O$ [) u& q" [
* 52 - AC Circuit Breaker
6 @3 A" F- z* T; ]$ I * 53 - Exciter or DC Generator Relay7 O6 O4 J; `/ F5 k& Y. D
* 54 - High-Speed DC Circuit Breaker
- ?/ x9 l2 ^% a( r+ M p% j9 ` * 55 - Power Factor Relay1 W' v7 f$ E! } D
* 56 - Field Application Relay
# [% [* {, {5 o5 \3 t/ j: ^ * 59 - Overvoltage Relay
1 B: l, d: F+ s/ B8 \ * 60 - Voltage or Current Balance Relay& X" g/ t+ L* X! @
* 61 - Machine Split Phase Current Balance
" v7 e6 `2 Y8 ^$ ]2 l * 62 - Time-Delay Stopping or Opening Relay
' W' p* M% f# K; u; C * 63 - Pressure Switch6 v4 ]( M: S. Y+ N) s
* 64 - Ground Detector Relay
) ^1 R: D. L9 b; J- e1 T$ m * 65 - Governor
2 \( |. d c$ p" M1 f/ H * 66 - Starts per Hour, c2 h6 `3 e3 G! h& J$ ^
* 67 - AC Directional Overcurrent Relay* B; J% M. F: M( k" Q! _
* 68 - Blocking Relay
& R6 C" y9 V( T$ [- O * 69 - Permissive Control Device
, `4 e) U' W9 _" ? * 71 - Level Switch
: @* N1 e0 K% | n: Q$ H * 72 - DC Circuit Breaker
6 n/ I% Y$ j: S9 Y( l * 74 - Alarm Relay' `0 Y$ M" Q* k8 t2 l
* 75 - Position Changing Mechanism
% v. T$ w: L, C8 t2 D * 76 - DC Overcurrent Relay
1 }! G& g2 A; N+ [# d. a* w! S * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
4 u( Y0 o' o. A# o& b% m$ o9 P. x * 79 - AC-Reclosing Relay
/ P" e, T5 `, w9 P * 81 - Frequency Relay
; Q& J0 s- B$ d8 N) ` * 83 - Automatic Selective Control or Transfer Relay
6 n+ i; t0 H; v0 n+ D" a& ] * 84 - Operating Mechanism6 a! K# j, Q/ N/ j7 R
* 85 - Carrier or Pilot-Wire Receiver Relay
2 h, A; c; a& m% E: I) K1 q' b * 86 - Lockout Relay' t- P8 i8 G8 F9 q9 O5 ^# P
* 87 - Differential Protective Relay
p3 N9 h4 ]+ f4 [& ^8 V * 89 - Line Switch
" S9 b& \2 h" ?' n* i% n$ w; K * 90 - Regulating Device# H" J7 Y' L L# O. c
* 91 - Voltage Directional Relay+ w! d$ O |& c) _5 A
* 92 - Voltage and Power Directional Relay7 d5 _; Z) N' t% M3 W" D- J
* 94 - Tripping or Trip-Free Relay
, w4 L# {2 u$ K4 j! ^5 z" F * 95 - Reluctance Torque Synchrocheck* R' k5 D% w: p4 J7 m
* 96 - Autoloading Relay |
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