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List of Device Numbers" {- D7 ` t# p4 K
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* 1 - Master Element! }: ?/ \; w: b/ i ~
* 2 - Time Delay Starting or Closing Relay$ l+ X' C* q/ l4 u' ]3 W/ w
* 3 - Checking or Interlocking Relay
2 @0 W/ @! h9 f * 4 - Master Contactor
% v) x4 O( Y3 G d * 5 - Stopping Device
; ^9 |5 v) E4 ^' ^. b& `- B1 S * 6 - Starting Circuit Breaker3 S6 ~3 R7 t+ P7 K0 E. U$ t5 ]
* 7 - Anode Circuit Breaker$ l7 p" ~! h0 k5 q0 X6 J! r
* 8 - Control Power Disconnecting Device; M1 B8 c7 D1 T8 ^& c
* 9 - Reversing Device
) r1 ]6 j4 R+ }7 W0 _ * 10 - Unit Sequence Switch
2 z) P" u. z5 Z0 z9 G * 12 - Overspeed Device3 {6 X1 E) A1 e& y7 m
* 13 - Synchronous-speed Device
! X. x5 x* |# j* S * 14 - Underspeed Device
3 r: u! _# b. a6 f * 15 - Speed - or Frequency-Matching Device
2 F. I$ Y5 x5 } r5 r, o" m * 21 - Distance Relay
& m5 N, v% z( k" \7 X+ d * 23 - Temperature Control Device
) R% d% j+ d9 j$ f7 \8 {6 X; y * 25 - Synchronizing or Synchronism-Check Device4 z8 o$ R$ k+ B* T4 o% C
* 26 - Apparatus Thermal Device' t6 ^: a$ e/ C: P( H
* 27 - Undervoltage Relay! x# p: I# }6 }" {% I6 j( f6 C
* 29 - Isolating Contactor
9 P3 [. ^5 c9 j$ U* w3 n" [ * 30 - Annunciator Relay
/ `# F: G# C# o4 k4 A/ @6 S * 32 - Directional Power Relay2 a1 T2 B: ]4 E+ Z, E
* 36 - Polarity or Polarizing Voltage Devices
! D: S/ i( x2 w. { * 37 - Undercurrent or Underpower Relay
% C! O! g8 }* M& \ * 38 - Bearing Protective Device% n E5 `- ]7 w6 Y+ \( d/ f8 q$ j
* 39 - Mechanical Conduction Monitor
7 K' x. {* Y, e: f" E7 @ * 40 - Field Relay
9 \1 I1 N" p# l# _) Z * 41 - Field Circuit Breaker
5 W; f% _, G3 g' K% R( k * 42 - Running Circuit Breaker! ?# E; Y4 k# S" y& `5 _
* 43 - Manual Transfer or Selector Device
+ M9 V" B. h3 H0 e# b( s& ? * 46 - Reverse-phase or Phase-Balance Relay r3 Q5 w" n# \& V7 Y, N
* 47 - Phase-Sequence Voltage Relay- P6 n k! D, |7 c( a5 L p
* 48 - Incomplete-Sequence Relay
1 ?" d8 H- g# h y3 U1 p * 49 - Machine or Transformer Thermal Relay
: A/ ~' K" K5 I6 g/ y * 50 - Instantaneous Overcurrent6 Z6 Y X/ `) ^
* 51 - AC Time Overcurrent Relay
/ Y+ c( `) r, r * 52 - AC Circuit Breaker. K0 R4 t9 O# B' J& |) y
* 53 - Exciter or DC Generator Relay
: C# m& A: D; x * 54 - High-Speed DC Circuit Breaker
4 }, r3 e# @2 h+ I+ B: W0 x * 55 - Power Factor Relay
# A) e& k3 y( C: v! _ * 56 - Field Application Relay
: d* L) D# L( n" O * 59 - Overvoltage Relay
" c; s: g3 J; y/ d5 v * 60 - Voltage or Current Balance Relay- s' t6 G% I n _; ?' O
* 61 - Machine Split Phase Current Balance
7 U) Z1 H8 J: S * 62 - Time-Delay Stopping or Opening Relay
, q3 W2 i2 V! j * 63 - Pressure Switch
) V; p( ?/ A* T1 o {4 | * 64 - Ground Detector Relay
, W8 C6 [- h* i! s$ K * 65 - Governor
2 B& y7 F+ A. \& ~ * 66 - Starts per Hour
) s( Y: S. |; R5 `1 P * 67 - AC Directional Overcurrent Relay
: w& l [9 e2 T: |7 q6 m * 68 - Blocking Relay
; v; i' Z; \# [, [. L7 q * 69 - Permissive Control Device
. T8 c* ~" _* R) R/ l+ | * 71 - Level Switch
L9 v' s3 ?: b g4 c. Y# P * 72 - DC Circuit Breaker; M; `9 L4 y! {; T2 B" I# k1 [
* 74 - Alarm Relay+ I8 k, m/ S+ I2 e7 L2 u
* 75 - Position Changing Mechanism
4 c/ \ D6 I- n; k; y, K4 l7 m) m * 76 - DC Overcurrent Relay
& K2 X2 P6 v# H/ t9 N \7 H * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay7 c7 K* i& D* Z/ }; b* q2 t
* 79 - AC-Reclosing Relay8 ?( m7 i7 Z, r4 }7 \1 \+ d
* 81 - Frequency Relay1 M( w% u8 t! q% k, m0 w" S
* 83 - Automatic Selective Control or Transfer Relay% U0 A l; q8 d8 A
* 84 - Operating Mechanism! d, b. H( h: ^: d8 C; f% e
* 85 - Carrier or Pilot-Wire Receiver Relay
1 x! b: y1 F/ N1 b9 ~7 c3 v * 86 - Lockout Relay+ l' V2 [ m- _- b+ T0 w$ j
* 87 - Differential Protective Relay
8 K' b. l& y& D9 L& H/ A" J, i% T# a * 89 - Line Switch
- m$ u5 x6 A# W7 ] {' B( j3 E * 90 - Regulating Device! O- Y" x! s. b# \
* 91 - Voltage Directional Relay
% Y/ v: F% l( v3 N+ b: c- A * 92 - Voltage and Power Directional Relay
0 P1 ~0 i/ _1 P/ M1 L( Y, W * 94 - Tripping or Trip-Free Relay
1 W$ |/ `" Q) W7 j! m * 95 - Reluctance Torque Synchrocheck) F# y# M! C: ^ P F
* 96 - Autoloading Relay |
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