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List of Device Numbers
- V) J' |) R. U% dClick to learn more...) N$ Z- G* P- r! `, q8 D9 `
) V" g5 T! j, B * 1 - Master Element B* @/ E* n3 U& c
* 2 - Time Delay Starting or Closing Relay9 K% B1 O7 n( H6 ^) G0 t
* 3 - Checking or Interlocking Relay
" B9 R9 p. V2 E* y4 y * 4 - Master Contactor
8 p( H# n# ]& E( \0 O * 5 - Stopping Device
0 W5 U; n/ Y2 [7 Q& n# I9 @ * 6 - Starting Circuit Breaker
7 N0 { V6 [1 o V& O% A7 S * 7 - Anode Circuit Breaker8 C* P+ z. |% @- I2 D6 E
* 8 - Control Power Disconnecting Device
! k# A* Q, Z% E U* y: E& A( ] * 9 - Reversing Device6 R& E. ]$ w3 p
* 10 - Unit Sequence Switch+ I' d4 @% H4 S$ F3 I @' L
* 12 - Overspeed Device* o3 a A$ w' q2 m
* 13 - Synchronous-speed Device
9 ~' L# d& }2 ^- m * 14 - Underspeed Device
, m5 f. @2 q r: t' w0 u4 ? * 15 - Speed - or Frequency-Matching Device2 m5 x! Z+ N' x
* 21 - Distance Relay( [5 i% l3 A5 @7 Y( y; B* ?
* 23 - Temperature Control Device$ m, T, E& o+ P. B) f' B# Z
* 25 - Synchronizing or Synchronism-Check Device$ m0 D3 e7 S# u) g& Y. J
* 26 - Apparatus Thermal Device3 }1 T2 j& s! y
* 27 - Undervoltage Relay1 k4 h( P& C7 F; I3 b
* 29 - Isolating Contactor/ x) [$ N9 k0 I
* 30 - Annunciator Relay
3 d. g( A, X0 H0 r6 m * 32 - Directional Power Relay
9 }- J; ~" \* c * 36 - Polarity or Polarizing Voltage Devices0 X: e: L5 Q5 x5 S/ \2 s1 ^
* 37 - Undercurrent or Underpower Relay: ~* V6 ^& H" u
* 38 - Bearing Protective Device7 H5 X" h( F! I' R
* 39 - Mechanical Conduction Monitor* x% U! \5 U, t2 G8 k) I) J, M
* 40 - Field Relay0 J$ x4 o, f1 D' j2 |
* 41 - Field Circuit Breaker
3 A2 U% d, c- b! T1 Y * 42 - Running Circuit Breaker# F1 ?% S1 @8 n. Z4 p
* 43 - Manual Transfer or Selector Device' U U8 h' k; q, m6 d8 H$ S6 G
* 46 - Reverse-phase or Phase-Balance Relay- S- ~2 i. [& K0 e L. y( A
* 47 - Phase-Sequence Voltage Relay9 }& r4 y+ |+ U; A8 p3 i
* 48 - Incomplete-Sequence Relay
, w$ m4 v( b- j E' f * 49 - Machine or Transformer Thermal Relay- r9 C( Y+ E, B8 O/ Q* F3 Q
* 50 - Instantaneous Overcurrent' f, F( b- w9 b' r
* 51 - AC Time Overcurrent Relay
+ \" g" S3 Y: M# l2 h * 52 - AC Circuit Breaker8 {( m3 Z3 \$ k% i' a0 z8 x
* 53 - Exciter or DC Generator Relay% E) u5 O$ m5 p$ S0 L
* 54 - High-Speed DC Circuit Breaker6 q( b4 l5 }- D1 `
* 55 - Power Factor Relay
4 y6 ], U: W+ T8 h, H+ t0 S( h * 56 - Field Application Relay9 x* y i2 Z( Z* Y+ D0 N1 ]9 U+ k
* 59 - Overvoltage Relay! [* x, F" x6 ^
* 60 - Voltage or Current Balance Relay1 S, L5 r7 k) }4 J9 z
* 61 - Machine Split Phase Current Balance6 L% o1 a8 x9 w" X2 G$ }+ g& I
* 62 - Time-Delay Stopping or Opening Relay% H* l I2 U; {
* 63 - Pressure Switch
" \1 ~% G# J. o, z* D * 64 - Ground Detector Relay
, ?' ]2 ]$ [. L% I6 K( p- t * 65 - Governor1 p9 |9 r0 e) G: C F
* 66 - Starts per Hour* P: ~% ^' f' A. F# D
* 67 - AC Directional Overcurrent Relay
q" ^/ D9 {6 W * 68 - Blocking Relay
: D# b' i$ n0 u) g$ E4 r' T * 69 - Permissive Control Device
5 o! Z7 |: L9 u) ^" | * 71 - Level Switch
# Y+ B; E; W3 O * 72 - DC Circuit Breaker. ]+ Y* ]+ I3 H8 ]5 g5 r
* 74 - Alarm Relay
4 Q: S4 m$ ^: n6 v * 75 - Position Changing Mechanism
1 U" X+ v6 ^: s( Y6 s v * 76 - DC Overcurrent Relay
" [9 k( C- T- v: d) s- h * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
3 ?9 r" c) L, _+ i * 79 - AC-Reclosing Relay
4 j9 l3 z' M3 d * 81 - Frequency Relay% K3 C; d7 {$ c" c
* 83 - Automatic Selective Control or Transfer Relay& X6 R9 {- `1 `
* 84 - Operating Mechanism
- U* B& o$ v7 C+ Z: y * 85 - Carrier or Pilot-Wire Receiver Relay
! Z8 L: \# ^8 p) H1 ~2 [ * 86 - Lockout Relay- r5 X1 q2 x) F6 \7 f
* 87 - Differential Protective Relay3 f( i" N3 k6 D9 Z' j* K
* 89 - Line Switch( |- U" P: m1 f2 a* I
* 90 - Regulating Device9 `. n. b5 t. e9 ^
* 91 - Voltage Directional Relay
' G+ T$ w- b" Z * 92 - Voltage and Power Directional Relay
1 A( u) ?: l+ T/ g2 a * 94 - Tripping or Trip-Free Relay
! M: ~4 H# q* C% E, L) D) m! {" E * 95 - Reluctance Torque Synchrocheck
- h# I" ~2 L. q& T * 96 - Autoloading Relay |
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