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List of Device Numbers+ p0 O/ m t6 t# }; k
Click to learn more.... [8 Y- w3 V8 g- X. V
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* 1 - Master Element1 G2 p4 G+ c7 h- ~- E: }
* 2 - Time Delay Starting or Closing Relay: c% Q3 J& K; e0 }4 U6 q. K
* 3 - Checking or Interlocking Relay
" h- z( W/ v: _/ p ~, i/ D * 4 - Master Contactor4 E* P' e5 m% e% {
* 5 - Stopping Device
! i( Y5 {" a; |, z- @0 v * 6 - Starting Circuit Breaker
# e. t5 v, U, F* G$ f; @ * 7 - Anode Circuit Breaker, R* r( H3 l) }5 a
* 8 - Control Power Disconnecting Device0 U t9 P# h; L! ?9 o1 D! d
* 9 - Reversing Device
9 c1 g; N! G6 v n8 J6 ]/ l0 ~ * 10 - Unit Sequence Switch
: W5 A* j4 L$ H; H( u' { * 12 - Overspeed Device$ I) C* `: n" L# `$ K! D
* 13 - Synchronous-speed Device
( q! u& X: G! S: F3 g * 14 - Underspeed Device4 j' t6 w c' E. b8 _4 d
* 15 - Speed - or Frequency-Matching Device
8 k; _3 Z) N* N4 y. t5 H# ^ * 21 - Distance Relay6 N- {2 K/ C4 q
* 23 - Temperature Control Device
# R7 s3 g ^( i1 r3 V. U6 R * 25 - Synchronizing or Synchronism-Check Device
% R+ C9 i# s0 u1 i4 [ * 26 - Apparatus Thermal Device
- q( l5 i7 T- v* `" {! F * 27 - Undervoltage Relay
1 c8 P6 k! n: n8 J7 J% U * 29 - Isolating Contactor8 h- ?7 B, A- p0 m1 Q
* 30 - Annunciator Relay
0 e- {; o N @( p1 o* Y * 32 - Directional Power Relay
5 O) Y9 ]. A+ b! d3 r+ k N+ ?# _: M * 36 - Polarity or Polarizing Voltage Devices7 Q. Q, @) D- M& F5 r
* 37 - Undercurrent or Underpower Relay
4 _: A& E3 p5 d4 q$ t * 38 - Bearing Protective Device9 X: P K) C$ o/ }0 X/ C
* 39 - Mechanical Conduction Monitor" q; l9 X& [7 L2 t9 a% s1 o
* 40 - Field Relay
* m8 q- F N0 R0 t5 B * 41 - Field Circuit Breaker
) X. i: i0 q" n$ q7 g5 r& ^ * 42 - Running Circuit Breaker. o+ M6 n1 _# k( C
* 43 - Manual Transfer or Selector Device9 ?" _0 y/ R( W4 ~) u
* 46 - Reverse-phase or Phase-Balance Relay
8 X7 F4 T) R3 ~. N0 ]: H0 b3 G * 47 - Phase-Sequence Voltage Relay
3 X& X8 z }9 h) [8 s& H * 48 - Incomplete-Sequence Relay
; S3 z% M: H8 U * 49 - Machine or Transformer Thermal Relay
% L( ?* ^. ^* j/ D8 ~! F% ` * 50 - Instantaneous Overcurrent
5 l- C+ ]6 A* i- m( k" g5 z) ~/ n * 51 - AC Time Overcurrent Relay
* G4 T O7 g" ] * 52 - AC Circuit Breaker7 `4 F1 t' n7 `% G5 [/ B
* 53 - Exciter or DC Generator Relay
( M+ k; J) i( y A* @6 g * 54 - High-Speed DC Circuit Breaker5 D3 j. r9 t- x* E5 n |
* 55 - Power Factor Relay( W; @# I* m. Z4 \% m$ j1 M* f* q" a
* 56 - Field Application Relay
) [5 k7 Z! P9 w9 N# D# ^ * 59 - Overvoltage Relay1 e& a# I2 y) S: L- E- c
* 60 - Voltage or Current Balance Relay
, c W' j$ f: ?; y. j) |+ S: d * 61 - Machine Split Phase Current Balance6 z2 O2 v4 o. V/ Q
* 62 - Time-Delay Stopping or Opening Relay
+ I6 O# I7 |: ~, L( N * 63 - Pressure Switch) M8 X; H4 O( L# p' D6 D3 b- {. O
* 64 - Ground Detector Relay1 H+ _7 u2 S9 V
* 65 - Governor; F3 ]4 A! N% s
* 66 - Starts per Hour- h5 b ?, ^/ f% U* A2 Q$ y( }
* 67 - AC Directional Overcurrent Relay( M* h3 ?' Q+ Z# q" X5 D. z( e
* 68 - Blocking Relay
. N7 Z2 m& D* q1 G/ m" w * 69 - Permissive Control Device, N" M0 I* u: z2 F' m
* 71 - Level Switch
6 T5 J5 Q# x5 b * 72 - DC Circuit Breaker) ^8 J/ f7 |7 t( _! h
* 74 - Alarm Relay5 m8 n- L1 m* J1 z, S
* 75 - Position Changing Mechanism
+ F n! H" S! r4 D * 76 - DC Overcurrent Relay, Z7 x, k3 B [7 E ]7 x+ B% l7 K
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay& v/ ?! K. ]( f* a6 F# _# R
* 79 - AC-Reclosing Relay
0 w$ Q# Z/ j+ l7 ]. L: H% I * 81 - Frequency Relay# f, F7 l1 i# s* T
* 83 - Automatic Selective Control or Transfer Relay
: e/ q1 R. ^: l* \6 B * 84 - Operating Mechanism
3 q9 j( v) _9 l/ K% T * 85 - Carrier or Pilot-Wire Receiver Relay
c2 e5 ^1 H3 F9 _% p7 }0 Y/ k' Y5 O. k * 86 - Lockout Relay
1 R# ^2 {' ]. }6 D; S * 87 - Differential Protective Relay
2 _0 [; D, I. E0 U * 89 - Line Switch8 `* l- e. v/ s8 a) d3 ^7 d
* 90 - Regulating Device
9 w. X8 ?; c; u9 Z * 91 - Voltage Directional Relay
: d* x' \ m: Z( M * 92 - Voltage and Power Directional Relay' I- P, H( n5 _3 j) }0 O
* 94 - Tripping or Trip-Free Relay6 l4 v" I* L2 |+ y1 r
* 95 - Reluctance Torque Synchrocheck
+ H! D1 I* S1 N M1 } * 96 - Autoloading Relay |
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