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List of Device Numbers7 [4 ]0 M. T: F" E; _
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* 1 - Master Element
0 u7 j4 v, _' s% |# o * 2 - Time Delay Starting or Closing Relay! }; ?6 R& |9 W( t, {
* 3 - Checking or Interlocking Relay1 X7 v9 i; H T9 M
* 4 - Master Contactor
) ^+ V8 ^/ ?" M2 n5 L * 5 - Stopping Device
5 f; T7 n4 L5 l * 6 - Starting Circuit Breaker$ Y# U9 s J! O) v
* 7 - Anode Circuit Breaker
. L6 L& u `& b. x/ |1 Q, T * 8 - Control Power Disconnecting Device
' h! p* L x5 `! k * 9 - Reversing Device
6 R: R" q8 |6 [( a h p * 10 - Unit Sequence Switch
2 u$ F) q8 [6 j2 t# q * 12 - Overspeed Device: z A; X0 H* s( `
* 13 - Synchronous-speed Device) e. F0 x; k( b; D. Q+ B# Q/ m8 U
* 14 - Underspeed Device
- D9 v4 c8 R& z1 ] * 15 - Speed - or Frequency-Matching Device
8 R" `) v( n/ i4 `; R/ G * 21 - Distance Relay2 k7 k7 A H3 W# O' s
* 23 - Temperature Control Device, B4 e3 |6 v8 E2 _+ X/ H
* 25 - Synchronizing or Synchronism-Check Device/ D- ]. b6 g& O1 M, T: O7 q
* 26 - Apparatus Thermal Device
, a6 f ~& R4 E1 F e) F; A3 O * 27 - Undervoltage Relay: \- _- P) x( A8 T; G+ I
* 29 - Isolating Contactor
% O: A7 I& \6 ^* R# Q6 e" r * 30 - Annunciator Relay4 N5 M! \# g8 C; I, m6 Y. q6 ~, Y1 x
* 32 - Directional Power Relay
" l) Q- V/ ]" u6 A0 e' t' P2 i+ c9 n * 36 - Polarity or Polarizing Voltage Devices& K, m3 |4 T9 ]: E" }/ f- m( @
* 37 - Undercurrent or Underpower Relay
. f p! I! {& j/ V% u. k, q2 W * 38 - Bearing Protective Device& c$ j9 g9 E4 @: h C2 m
* 39 - Mechanical Conduction Monitor9 D P9 [6 y% Q! k
* 40 - Field Relay j, V) L/ F/ R) v
* 41 - Field Circuit Breaker
0 M' G X+ U$ p5 U * 42 - Running Circuit Breaker
: f* A. c( A' m( \& v1 z. j * 43 - Manual Transfer or Selector Device
# K5 n$ N3 z2 F; W% Q! E5 P. [9 j * 46 - Reverse-phase or Phase-Balance Relay2 h& `9 z2 W# r9 p
* 47 - Phase-Sequence Voltage Relay R% O# M' _9 y5 ~8 L, g0 A, I, D% I
* 48 - Incomplete-Sequence Relay5 i. Q0 f; B: _6 D
* 49 - Machine or Transformer Thermal Relay5 A A; `% ]2 { s
* 50 - Instantaneous Overcurrent
% m+ ?, T9 p9 H Z. n. T7 M * 51 - AC Time Overcurrent Relay
% P# h7 N3 b K+ y * 52 - AC Circuit Breaker
0 r. r K! O) b * 53 - Exciter or DC Generator Relay& |7 n5 j/ H4 l
* 54 - High-Speed DC Circuit Breaker
! l6 S* O: }. i( H6 t" @ * 55 - Power Factor Relay
# N1 N2 ?) ^3 L+ b$ D( o2 ]8 P& c * 56 - Field Application Relay$ _) M4 V4 {3 Q* Z6 S% V( Y
* 59 - Overvoltage Relay- C. ^/ A: `& w1 ~5 q& p
* 60 - Voltage or Current Balance Relay
( u. j) c" M. G * 61 - Machine Split Phase Current Balance/ _: W: {+ a, x8 i6 G3 f* `- O: \
* 62 - Time-Delay Stopping or Opening Relay& o3 |) Z! B" R' s; g; E
* 63 - Pressure Switch
" F8 m u; b, Q3 @% }3 S * 64 - Ground Detector Relay1 {5 G# U2 T/ F4 y% Y' E; f3 [
* 65 - Governor9 b+ V7 ]1 P( e( M k4 P; ~
* 66 - Starts per Hour
: }+ d( _* v1 B, O8 S * 67 - AC Directional Overcurrent Relay1 l1 V/ E" U/ d
* 68 - Blocking Relay3 J9 [2 [% `6 V; \
* 69 - Permissive Control Device
) ]+ G8 N4 A3 G6 }6 N- Z * 71 - Level Switch1 ~% l$ e4 |/ a
* 72 - DC Circuit Breaker) Q/ {) R, T8 v7 {% \* G% M+ D
* 74 - Alarm Relay
/ T* d; c- @; U3 m3 |1 J * 75 - Position Changing Mechanism
2 d2 `" n2 b4 a) C7 @' ^7 \0 x * 76 - DC Overcurrent Relay* D0 x+ m% V/ }. ~7 T) {3 V* M& ^' U! j
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
& v K; I% b/ V% e6 W * 79 - AC-Reclosing Relay
' L$ A2 E2 ~6 [4 \5 [+ \, V8 T * 81 - Frequency Relay
; t4 N5 W5 L8 f * 83 - Automatic Selective Control or Transfer Relay, U; J5 y2 \) N6 W( `3 l8 A
* 84 - Operating Mechanism+ _" B' L+ J4 n+ s- w! M. J
* 85 - Carrier or Pilot-Wire Receiver Relay
1 R: R ?0 t P& t * 86 - Lockout Relay" m2 b; M' Z. i( c ?% d( Y
* 87 - Differential Protective Relay6 | T' r Y+ c( n5 c
* 89 - Line Switch; S. ?5 ^" K; Y: q
* 90 - Regulating Device% f/ `) V1 z2 l W/ _8 [9 o8 @
* 91 - Voltage Directional Relay
, d* K& A$ ~$ s' D1 W * 92 - Voltage and Power Directional Relay6 z8 @6 b8 }& {, @
* 94 - Tripping or Trip-Free Relay
) R! @; D6 I7 l: Y: V- d * 95 - Reluctance Torque Synchrocheck
1 K, I. m# t* Q * 96 - Autoloading Relay |
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