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List of Device Numbers: V7 C2 f3 [/ K1 t' Y) k( v% L6 A
Click to learn more...2 \! k" [$ o% z* j
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* 1 - Master Element4 ~$ f- X0 g2 \+ {5 u+ V
* 2 - Time Delay Starting or Closing Relay
7 m1 r8 r/ r# U9 I * 3 - Checking or Interlocking Relay
: G1 q. f- O, e h. F& A) K4 Z& W * 4 - Master Contactor4 W' Q( S& Y6 d1 t5 e
* 5 - Stopping Device
4 ~3 k& [& n- n, x * 6 - Starting Circuit Breaker
; X4 O/ L; Q8 V' O * 7 - Anode Circuit Breaker
3 [8 c. K5 G9 p7 k* ]' Y * 8 - Control Power Disconnecting Device" R7 Q# q6 _/ X/ B& R6 q4 x
* 9 - Reversing Device
* n: C9 v& U' ?8 _ * 10 - Unit Sequence Switch8 [- w$ S- ]* ]+ n$ E0 g
* 12 - Overspeed Device
9 I/ j. S+ K3 B6 t- X * 13 - Synchronous-speed Device
* M1 R9 V- @) y * 14 - Underspeed Device2 Z, C7 k) n- O2 ?7 B, f
* 15 - Speed - or Frequency-Matching Device& b* U- l1 q( [1 J
* 21 - Distance Relay2 |9 A7 @+ P9 ^5 N
* 23 - Temperature Control Device" Z9 C, S y0 w4 o, m8 ^
* 25 - Synchronizing or Synchronism-Check Device
+ a/ d6 N" e& A: _! R. s" o7 y' a * 26 - Apparatus Thermal Device1 A( X7 m% e" ^3 a# K1 p+ I
* 27 - Undervoltage Relay
$ z6 k$ X6 n* @+ Y * 29 - Isolating Contactor5 z6 \, `4 D& X6 U
* 30 - Annunciator Relay0 s4 w- \/ n) C% N+ @
* 32 - Directional Power Relay& a2 v1 P1 w4 N3 N; _
* 36 - Polarity or Polarizing Voltage Devices% v& s: e% L( o- f
* 37 - Undercurrent or Underpower Relay
6 G5 m- ]6 X" U% o; k) E. l5 a8 w2 E * 38 - Bearing Protective Device
5 L; U& l, T' a9 v- i# D( N, m * 39 - Mechanical Conduction Monitor
# r$ U5 D1 q$ o6 @3 ~0 y6 Z: V8 w * 40 - Field Relay
) x+ T+ C& t* B- g2 U5 H; E0 a. s& D * 41 - Field Circuit Breaker7 z. X$ \( R5 n9 ^
* 42 - Running Circuit Breaker
* `# q3 N; b. N( y8 x. ? * 43 - Manual Transfer or Selector Device* ?' \) T9 i: U0 K `. s! D
* 46 - Reverse-phase or Phase-Balance Relay u( M4 f; ~/ }8 n! S
* 47 - Phase-Sequence Voltage Relay
+ Y- w! @7 R% z * 48 - Incomplete-Sequence Relay/ ^. ^: D0 [2 |; _+ j. e3 T- b
* 49 - Machine or Transformer Thermal Relay
& a+ Y- M7 n0 F! W * 50 - Instantaneous Overcurrent
% Z; ~# e4 g! _" S @+ N2 \ * 51 - AC Time Overcurrent Relay
, l1 C; j2 A* b" B6 n* y: l * 52 - AC Circuit Breaker# l$ V% Q4 x% D) K: p
* 53 - Exciter or DC Generator Relay
8 R1 j" K9 q' G6 | * 54 - High-Speed DC Circuit Breaker
2 c- c+ h9 p* @) R- Q: P * 55 - Power Factor Relay' F3 F2 T" U) g- u
* 56 - Field Application Relay9 m; C; L2 i- ]
* 59 - Overvoltage Relay
1 l* o9 |6 E3 Q' U& h * 60 - Voltage or Current Balance Relay7 U( i0 j- G$ B/ M n6 G. a
* 61 - Machine Split Phase Current Balance5 o" X0 [ Y. S* k9 L. |. w% ^; t
* 62 - Time-Delay Stopping or Opening Relay
1 A* q9 {, o0 J/ P5 E) d! p * 63 - Pressure Switch
# F) T0 P0 h. O * 64 - Ground Detector Relay% m4 _/ K, [( z( d9 S" @
* 65 - Governor+ U1 @4 E8 V- ~8 x
* 66 - Starts per Hour
6 ~4 w) ]4 P6 ?8 W, w * 67 - AC Directional Overcurrent Relay
. w: D' @6 A; Y% O7 K * 68 - Blocking Relay
) }! @8 R4 x, N5 y+ b- H) P * 69 - Permissive Control Device! e! _$ D; b y+ C+ Q
* 71 - Level Switch
" q2 T! L3 ]: X2 h * 72 - DC Circuit Breaker
4 w' n9 b% K- P! L; s * 74 - Alarm Relay
+ T8 ?" x' h8 v# z* F, r$ h: `/ V * 75 - Position Changing Mechanism s3 y$ k6 @4 R4 n5 `
* 76 - DC Overcurrent Relay
, J f0 u, F% \ * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay9 ~' U" {& l: i0 o% ], J. M
* 79 - AC-Reclosing Relay
' d& t Q1 X* Z& m5 ]% O D * 81 - Frequency Relay, b k8 [* g+ A3 q7 `
* 83 - Automatic Selective Control or Transfer Relay
: a* T8 w( O2 {, f9 ~7 c% h3 W/ g% ] * 84 - Operating Mechanism
% f" k# {: H: _4 q$ k6 z5 v7 x& O, | * 85 - Carrier or Pilot-Wire Receiver Relay
" m3 t$ H: c! E0 J * 86 - Lockout Relay9 V" W4 y4 ^0 \6 S% n) u
* 87 - Differential Protective Relay
7 \5 K/ h& F. U/ M" C * 89 - Line Switch
+ Y# T0 R. @" Q& a2 C! Y8 Z! t9 v$ P3 O * 90 - Regulating Device
( U; o4 a% M7 V: d: t. I$ m * 91 - Voltage Directional Relay& _2 o [0 \0 V, [: a4 Z
* 92 - Voltage and Power Directional Relay
, \% E6 U% ^; U7 u8 z * 94 - Tripping or Trip-Free Relay
% N& w/ ^" \* C9 i2 h * 95 - Reluctance Torque Synchrocheck/ ?' Z: L7 E' f% N& L( y+ g
* 96 - Autoloading Relay |
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