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List of Device Numbers J2 v) ^: A5 ]9 L! m8 r2 y
Click to learn more...% F1 |/ Y5 C) U, O+ r. X
( l k# m$ ]% p8 y * 1 - Master Element& q; X- h( v0 P- r6 {
* 2 - Time Delay Starting or Closing Relay6 w6 h+ w) ~& }* K& L/ Q
* 3 - Checking or Interlocking Relay4 `, C- Y" [+ w# k
* 4 - Master Contactor
& M/ T# L8 o9 k D * 5 - Stopping Device: m _8 P9 t; o0 Z0 w3 c3 A
* 6 - Starting Circuit Breaker. [. L* w7 S. u+ r( P
* 7 - Anode Circuit Breaker
2 y8 S5 ]* u$ W7 D# j+ w( @% p * 8 - Control Power Disconnecting Device' f$ S) e- H) @; H
* 9 - Reversing Device. i+ q9 A% l$ @5 [# b1 @
* 10 - Unit Sequence Switch2 G, I/ }, P) u! K- f9 W
* 12 - Overspeed Device
+ b( V" m7 F% } * 13 - Synchronous-speed Device
3 B' ?( H5 c3 W8 K" A5 _" {0 b) w& m% V * 14 - Underspeed Device: f' k+ A% N) L$ \' J0 ]" i+ l
* 15 - Speed - or Frequency-Matching Device
, u! W( [8 [/ ~% @4 G * 21 - Distance Relay
- J" D: g) E9 j/ Z& I * 23 - Temperature Control Device
- h! ?% C2 ~9 M- ~ * 25 - Synchronizing or Synchronism-Check Device7 m$ ]3 t4 ~# [/ K2 j
* 26 - Apparatus Thermal Device
- h/ v# [* j4 ?7 h- S5 e9 K# A* {* u * 27 - Undervoltage Relay) X) g I7 E7 F- P9 J4 z
* 29 - Isolating Contactor4 Y- ]' G2 s' ?+ z* _6 Y
* 30 - Annunciator Relay! B9 j! o6 |: D4 n
* 32 - Directional Power Relay
) ~+ w, C5 y& C$ k0 g * 36 - Polarity or Polarizing Voltage Devices M; ~6 Z) s# q: a' `% G5 t
* 37 - Undercurrent or Underpower Relay
2 ]6 A% ~! C$ j+ x- o) q' y * 38 - Bearing Protective Device+ Z. J' J/ I: L( }0 k2 o/ S$ K
* 39 - Mechanical Conduction Monitor2 c T; k) U' O% f% i4 ]
* 40 - Field Relay2 }8 @6 x4 W$ I9 [
* 41 - Field Circuit Breaker6 g* N& b+ s: `) ^4 [8 o( v
* 42 - Running Circuit Breaker2 Y- S' k2 u7 O. x0 x# t
* 43 - Manual Transfer or Selector Device* D5 Z- c% F9 w5 u
* 46 - Reverse-phase or Phase-Balance Relay
6 Z' y- f% A; P! [6 i$ v% v) B# @ * 47 - Phase-Sequence Voltage Relay
# M# w2 W3 _5 M * 48 - Incomplete-Sequence Relay, v7 ]4 M. v! B9 q9 N
* 49 - Machine or Transformer Thermal Relay# [, T3 [* A& n" s* Y; l" D
* 50 - Instantaneous Overcurrent
, C# k8 a! k9 q' V% e+ o* Y * 51 - AC Time Overcurrent Relay
/ [9 R n4 t5 Y E! c3 A" L * 52 - AC Circuit Breaker, s: j9 K& K: O7 R
* 53 - Exciter or DC Generator Relay f+ H5 e; T5 j2 A7 q2 P( a7 r' y
* 54 - High-Speed DC Circuit Breaker
( N# V! S" H1 k3 V * 55 - Power Factor Relay- ]$ M+ g* R+ P, }: E8 G
* 56 - Field Application Relay
' N6 B( [, k8 ?, r/ d * 59 - Overvoltage Relay
3 W, m% r4 S Q3 L1 U * 60 - Voltage or Current Balance Relay
5 Y& x' c0 {; q, Z( C * 61 - Machine Split Phase Current Balance v1 R- D& P5 n; `: F/ m
* 62 - Time-Delay Stopping or Opening Relay0 L( E4 w( {& C+ h2 @4 M, ]
* 63 - Pressure Switch
& K0 b: f& f# e9 l7 L' U * 64 - Ground Detector Relay
. S1 @. `* p$ k7 P9 O9 s1 V/ E * 65 - Governor0 L; }+ y7 Z, h" e: A9 I+ p
* 66 - Starts per Hour5 Z: y; f3 A8 {0 n# }4 F) d6 X+ S
* 67 - AC Directional Overcurrent Relay
+ Z" W! y3 _$ U$ u- P" v * 68 - Blocking Relay
; v, d3 y* g3 G' P5 P2 |$ a * 69 - Permissive Control Device; S. t* X1 d& L" H H( Z2 l
* 71 - Level Switch1 W8 D" T: t+ @5 H" Y
* 72 - DC Circuit Breaker+ o ^7 e8 X3 t. s) n! R; h4 w8 M
* 74 - Alarm Relay- Q' X, b; v# h3 l* s c4 D' h
* 75 - Position Changing Mechanism
2 z; W! E4 ?; j! { * 76 - DC Overcurrent Relay
6 m& ?# k6 C) a1 O4 i * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay, _' L O! t2 `" y
* 79 - AC-Reclosing Relay& T; p: M% J( K s* P
* 81 - Frequency Relay
! w: {* Z9 k6 W8 H- K0 V * 83 - Automatic Selective Control or Transfer Relay8 U. ~* d" ?5 V0 v$ B
* 84 - Operating Mechanism
) h' K% s' @8 m * 85 - Carrier or Pilot-Wire Receiver Relay
7 B8 q/ h [* Z) M. N6 n * 86 - Lockout Relay2 L. R! ]7 p/ o& q8 p7 S+ k
* 87 - Differential Protective Relay
8 E' _6 [/ T- P" |8 S * 89 - Line Switch. R! B0 t+ N7 z E* Z: W: C
* 90 - Regulating Device! i6 X+ c9 ?, o( u2 C! b
* 91 - Voltage Directional Relay# s& P* T W6 ]% P2 B5 W
* 92 - Voltage and Power Directional Relay9 d* \2 t) H' i7 q
* 94 - Tripping or Trip-Free Relay2 m% y: X9 D' ^, H
* 95 - Reluctance Torque Synchrocheck/ x, d5 W1 }7 o/ ]& x
* 96 - Autoloading Relay |
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