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List of Device Numbers7 V+ _/ z( K2 B$ J6 p
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* 1 - Master Element' A0 T& o* [' _) T+ D
* 2 - Time Delay Starting or Closing Relay1 ^/ l1 l/ X. V* c* m! Z
* 3 - Checking or Interlocking Relay
) W7 v# K- j+ E2 D * 4 - Master Contactor$ p( Z. d, z8 q( C! \: \: F. ^
* 5 - Stopping Device D) ]" h! A1 Y1 g
* 6 - Starting Circuit Breaker4 t5 L' i" q- j& q3 K# A0 s k, b
* 7 - Anode Circuit Breaker3 K- S8 C+ g \2 b8 F" n8 b* x
* 8 - Control Power Disconnecting Device
* y; B7 a. b. q+ J * 9 - Reversing Device) S$ y" j0 S4 S& j. U, q
* 10 - Unit Sequence Switch
- W4 k7 O% J' A: h * 12 - Overspeed Device
8 P' R0 R4 @' L# s* Q. } \( L * 13 - Synchronous-speed Device G- s. |$ X) ~5 {" s' k
* 14 - Underspeed Device
P1 Y) y- S$ b2 n * 15 - Speed - or Frequency-Matching Device
$ G" Q( p; ^ _/ [8 o0 X* m' B, J * 21 - Distance Relay" e% v7 g/ ?+ N( N# R0 s) O2 ]
* 23 - Temperature Control Device
6 r- G* J1 K5 }/ D * 25 - Synchronizing or Synchronism-Check Device& M% V" N4 s2 u9 f+ |
* 26 - Apparatus Thermal Device! N: ^# L( ?# _) C
* 27 - Undervoltage Relay3 d) ?+ `; n, ?6 N9 C: ] m
* 29 - Isolating Contactor3 e w( R/ z; Y+ m; e4 z" U
* 30 - Annunciator Relay
/ t& z$ z2 T8 `) j * 32 - Directional Power Relay
( X6 t. E( ?0 a a6 B * 36 - Polarity or Polarizing Voltage Devices
, b5 L7 g X+ H# \! g9 O6 G * 37 - Undercurrent or Underpower Relay
6 \; T& r# T7 ~, \ * 38 - Bearing Protective Device& _& i. [6 U( d3 g
* 39 - Mechanical Conduction Monitor! c: d7 [, f; A: q: J
* 40 - Field Relay8 A/ {: C0 b9 \& F6 n) C4 l; M
* 41 - Field Circuit Breaker
n7 i0 d% n$ e, ^5 o8 N q * 42 - Running Circuit Breaker! r+ n1 V0 d$ ~
* 43 - Manual Transfer or Selector Device
8 r G/ N8 O3 k+ t# F7 T# } * 46 - Reverse-phase or Phase-Balance Relay: ~( _0 W3 J. _$ Q6 ^
* 47 - Phase-Sequence Voltage Relay' P) }9 e6 C. e; Z1 q5 f9 [$ Z
* 48 - Incomplete-Sequence Relay1 n& q- X; G5 d- E$ |
* 49 - Machine or Transformer Thermal Relay. o S) A! I' l4 b7 N) Z o
* 50 - Instantaneous Overcurrent; H$ B1 T \! S$ n% ]
* 51 - AC Time Overcurrent Relay) K6 o% B3 b4 Q2 l
* 52 - AC Circuit Breaker! A" |3 B/ ]% ]# B* G+ P3 ?4 j( u
* 53 - Exciter or DC Generator Relay
: S0 i) i6 o- @1 j3 y ^7 u: ^ * 54 - High-Speed DC Circuit Breaker2 T. f4 A6 |8 `; L2 f# Y0 r
* 55 - Power Factor Relay
" X9 @; H* z. Y9 j" B; D- c * 56 - Field Application Relay
( [$ Z, O5 s7 V2 |, F * 59 - Overvoltage Relay
' A' D, E- n: e7 j# _1 b s * 60 - Voltage or Current Balance Relay! s7 d* B% N) F# j! x
* 61 - Machine Split Phase Current Balance
, d* ?7 K! `/ L; i * 62 - Time-Delay Stopping or Opening Relay3 A* _7 {% @4 z. G5 ^$ B
* 63 - Pressure Switch4 R2 i& o# n. z
* 64 - Ground Detector Relay0 P9 g5 ?8 m& k) p% i. P4 ^& O Q
* 65 - Governor
8 p5 V' [& j6 D0 E: k) N4 C * 66 - Starts per Hour
7 W, ~5 C) r* N6 Z) d& q * 67 - AC Directional Overcurrent Relay3 B% h. O0 L7 h4 n& |) V, ^
* 68 - Blocking Relay
L/ i2 o! t0 R, W1 }; g: P * 69 - Permissive Control Device- }: `8 r# @4 B# b0 y0 C2 i6 I
* 71 - Level Switch3 f8 T: \. m# z* t
* 72 - DC Circuit Breaker
2 o y3 }2 \; A* A- r * 74 - Alarm Relay
4 @! ?% c/ X& n; A n- T * 75 - Position Changing Mechanism9 J3 x- X" \- D9 v; X2 n) R! G* M
* 76 - DC Overcurrent Relay! ?. i6 w7 Y: X; B; K
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay* L* M, G# p6 Y& G# S
* 79 - AC-Reclosing Relay2 F; f5 |1 I( O \& ?: P4 G
* 81 - Frequency Relay5 O/ d2 q+ C2 ~1 x. Y) P* Y
* 83 - Automatic Selective Control or Transfer Relay9 U! n6 r3 Z, _/ r
* 84 - Operating Mechanism6 Q& q: S1 f0 v k, {# t: c5 W: Y
* 85 - Carrier or Pilot-Wire Receiver Relay1 X( d/ G l* F' T. G
* 86 - Lockout Relay( C { _$ ]* B. P6 M/ Y+ B
* 87 - Differential Protective Relay
& T) `9 u6 a- b * 89 - Line Switch
$ h, `! z0 N) N* S9 ~6 L * 90 - Regulating Device
* k( |* M+ ~) J- w; z1 a * 91 - Voltage Directional Relay
% x+ M% E5 v1 ~# c% ^* q. ~ * 92 - Voltage and Power Directional Relay
: U- {# u/ b. O3 J6 J; D * 94 - Tripping or Trip-Free Relay( z! o3 ]/ S) x! t, v
* 95 - Reluctance Torque Synchrocheck
+ d) v( F8 ~* B0 ^, L1 ^4 Q, k * 96 - Autoloading Relay |
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