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List of Device Numbers
$ k$ ^% ?6 K6 }* c* Z( iClick to learn more...2 V7 F/ H& p% ^( E4 X6 ?
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* 1 - Master Element: U( l: Z4 h& p8 x$ v3 s+ o
* 2 - Time Delay Starting or Closing Relay
0 M- V; h6 W' a* C* @, J( l * 3 - Checking or Interlocking Relay# S7 n1 |/ c. j1 P' u" o
* 4 - Master Contactor6 u+ C5 {% b9 E( x$ M% c
* 5 - Stopping Device
& k" v+ O& C- z3 a# H7 d% w * 6 - Starting Circuit Breaker
; V! j) R7 r, j* ^8 ]: j7 P * 7 - Anode Circuit Breaker
7 u7 _2 d/ \4 H& W. @$ A * 8 - Control Power Disconnecting Device/ m3 v; u6 }% f7 C/ |
* 9 - Reversing Device
2 l2 j6 ?% }4 L6 o- T5 O m * 10 - Unit Sequence Switch
& D, h: e6 o b. z* I& U: ?# o * 12 - Overspeed Device
& ^; G4 |* [# S8 v * 13 - Synchronous-speed Device
f! @, C* g7 z' A * 14 - Underspeed Device
( W0 }1 d/ w4 |: u ? * 15 - Speed - or Frequency-Matching Device2 s, B0 _5 H7 L4 I& x- h
* 21 - Distance Relay) D% e0 ~# Z" k+ m- u% h
* 23 - Temperature Control Device( ^8 X/ X- w+ _" r
* 25 - Synchronizing or Synchronism-Check Device
2 N+ Y4 t4 v5 @) [/ z h * 26 - Apparatus Thermal Device
! S' `9 Q C5 X6 ^ * 27 - Undervoltage Relay
4 _$ a* `5 w! Z+ H4 ~% f * 29 - Isolating Contactor
: G2 b7 {5 c' E- t * 30 - Annunciator Relay" U' b6 G. R* S. ?3 l5 B* P5 `- I+ h
* 32 - Directional Power Relay
8 y( E. ?' k$ h; A2 l) r( G * 36 - Polarity or Polarizing Voltage Devices; U1 m4 s3 D" B4 s
* 37 - Undercurrent or Underpower Relay( F; U' e+ s# T6 s1 p7 ]" W; n
* 38 - Bearing Protective Device! L. O( Z" ?7 Q" `2 t
* 39 - Mechanical Conduction Monitor6 \! \) D# p5 o- b7 W$ U5 F
* 40 - Field Relay6 N* _; T* z5 \
* 41 - Field Circuit Breaker9 K, C) E* j6 H6 ?9 }6 M V
* 42 - Running Circuit Breaker
( ~; O$ W3 q. N$ O * 43 - Manual Transfer or Selector Device6 F' S, I. g) Z
* 46 - Reverse-phase or Phase-Balance Relay! L1 s* s1 f0 ?7 E
* 47 - Phase-Sequence Voltage Relay
: o' L7 S. e3 T( J) f6 i. s * 48 - Incomplete-Sequence Relay P/ r! l$ ^. V5 m+ Z6 r6 p& }
* 49 - Machine or Transformer Thermal Relay
( s, J, s' k; b4 S% `; u * 50 - Instantaneous Overcurrent
2 D$ h: B- |+ Z: m3 o2 z9 T) ` @9 n * 51 - AC Time Overcurrent Relay5 ]4 I3 J o8 _: B
* 52 - AC Circuit Breaker
; q+ ?# o. p* F * 53 - Exciter or DC Generator Relay
3 M, H. @+ _( I0 Q+ l * 54 - High-Speed DC Circuit Breaker
( x% p$ h3 e4 D, w4 ^, b: E& z * 55 - Power Factor Relay
: c; Q! z$ C C5 a$ H0 Q * 56 - Field Application Relay/ w G5 g. S; Y" F/ t
* 59 - Overvoltage Relay
' f' ~" ~% O! `) d5 C8 B' n9 M2 o9 Y * 60 - Voltage or Current Balance Relay0 [3 C% A8 D) N y/ i
* 61 - Machine Split Phase Current Balance
8 X9 M z; e4 {) V+ _" B b) M * 62 - Time-Delay Stopping or Opening Relay5 N9 u9 R( [1 s. z
* 63 - Pressure Switch
7 `7 S- d6 M1 c8 V, y, f: S * 64 - Ground Detector Relay" I7 w9 j4 A7 o1 f" B. h6 b7 d/ n/ f& j
* 65 - Governor
; f; c7 G, D- ?* u! r3 @6 ?! `( T- t * 66 - Starts per Hour
7 _8 E3 c2 X( z/ q6 }* o! j/ h * 67 - AC Directional Overcurrent Relay4 u% Y: I5 X( ]1 R
* 68 - Blocking Relay
2 L( Q& Z+ u9 d8 B * 69 - Permissive Control Device
3 k& h& Q4 e6 T. M H( Y: k0 _ * 71 - Level Switch
0 o+ n2 B. X$ o! G8 e/ U5 [3 k0 R * 72 - DC Circuit Breaker
1 ]( [! I2 N8 h- v6 i7 s * 74 - Alarm Relay
6 K/ `/ o' @% R7 E9 v- W5 I * 75 - Position Changing Mechanism5 n3 t+ ~ i6 u) k3 L, d
* 76 - DC Overcurrent Relay6 H; b1 r2 Q7 S
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
9 c9 g2 A1 w& w * 79 - AC-Reclosing Relay
4 u: ~; N6 P, W4 T; q( K% i9 H3 e5 ? * 81 - Frequency Relay* M+ S) i: G0 e
* 83 - Automatic Selective Control or Transfer Relay
$ C; [# P$ I$ V * 84 - Operating Mechanism
. o, I$ {1 d8 G) C8 a * 85 - Carrier or Pilot-Wire Receiver Relay p0 `7 c" Y5 w* N
* 86 - Lockout Relay
A! j! f' ^ M4 k# W * 87 - Differential Protective Relay+ w( C# {' |9 J# [4 O) m0 D8 z
* 89 - Line Switch. p6 N" _& D- ^, H
* 90 - Regulating Device# k4 N1 j4 s% K1 s2 w7 a0 [* J! m
* 91 - Voltage Directional Relay% v' l% q1 E- q! G& c! B
* 92 - Voltage and Power Directional Relay: U6 @ m4 ]# l
* 94 - Tripping or Trip-Free Relay
. |" s7 | U! t9 h) Z+ ?! t * 95 - Reluctance Torque Synchrocheck L0 g: w6 E& P4 \
* 96 - Autoloading Relay |
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