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List of Device Numbers
1 _" W$ F0 i/ y* H( P6 Y, l8 mClick to learn more...
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4 K: `% m* [2 Y0 i8 c: r4 r, b * 1 - Master Element( n* } D$ n7 x; e7 S; p
* 2 - Time Delay Starting or Closing Relay
+ S# H$ e! M0 g& F! s% c# S * 3 - Checking or Interlocking Relay
* r: E1 s, [, @5 }9 D7 u1 x * 4 - Master Contactor* @6 T) N1 z6 T Z2 F
* 5 - Stopping Device
, b, }3 g1 ^4 d8 @8 D( `$ e2 M* e) F * 6 - Starting Circuit Breaker
+ I/ w$ Q6 B" g; q! ?& ?, P * 7 - Anode Circuit Breaker
2 R- n9 D' i* B' u. s" j * 8 - Control Power Disconnecting Device% H, I3 i7 W1 w& e1 q6 m- l" F
* 9 - Reversing Device1 w' ]% o" |3 i$ F& ?# b! t
* 10 - Unit Sequence Switch
0 a8 w4 N Z- ^( t: Z( @) p7 F5 l9 ^ * 12 - Overspeed Device
@; ^8 {9 Z. z * 13 - Synchronous-speed Device2 q2 s% @' r ?, H3 l z) W
* 14 - Underspeed Device
7 _: j- X0 n# l- P * 15 - Speed - or Frequency-Matching Device
& C- o: n/ Z6 X7 g * 21 - Distance Relay
V; ~, U2 w8 k+ Z. Y, A * 23 - Temperature Control Device$ L- F7 e' W! C( R9 i+ l
* 25 - Synchronizing or Synchronism-Check Device. {3 Q2 U7 F R9 S5 ], [
* 26 - Apparatus Thermal Device8 A3 M" U5 A- N
* 27 - Undervoltage Relay
7 |7 m8 o; o/ p" o3 W * 29 - Isolating Contactor% f6 k; e* u7 s3 W/ s" `
* 30 - Annunciator Relay
# g3 w% V8 n k' H5 n& `" N * 32 - Directional Power Relay0 w6 _/ u- N, n) l
* 36 - Polarity or Polarizing Voltage Devices
# z6 S4 ^; I/ O2 l3 h# V * 37 - Undercurrent or Underpower Relay$ g [+ j6 A0 F! W$ @+ X
* 38 - Bearing Protective Device
8 I5 W2 j% w0 ]; W' S; Y" W( z! K * 39 - Mechanical Conduction Monitor
5 r2 J! n+ Y f- w! K * 40 - Field Relay: P( C: X' p2 q9 G
* 41 - Field Circuit Breaker) z. n! K4 R, m/ F; a) {) X5 }' |
* 42 - Running Circuit Breaker
2 ~' ^3 r, a, b3 [* H' w" }; \ * 43 - Manual Transfer or Selector Device8 P) [& a& k/ L6 O
* 46 - Reverse-phase or Phase-Balance Relay
9 o9 ^/ s# x: \- s$ b: M * 47 - Phase-Sequence Voltage Relay& [: Y- G7 D, W: K y) ~0 P/ S
* 48 - Incomplete-Sequence Relay
7 n6 _8 f& {; w * 49 - Machine or Transformer Thermal Relay
9 B& @( H% O$ ?" s * 50 - Instantaneous Overcurrent. F; O$ s* t# t) q. D2 j8 A
* 51 - AC Time Overcurrent Relay- T& H8 E% v8 D/ F6 Z5 H/ R: \
* 52 - AC Circuit Breaker
: Z( J- C5 U5 B- f * 53 - Exciter or DC Generator Relay( B0 }! r% A0 ?
* 54 - High-Speed DC Circuit Breaker
- f8 L* v! O, d% L- e * 55 - Power Factor Relay
$ j+ w8 d' w0 v1 _2 j * 56 - Field Application Relay- o& z; S# h7 ] R
* 59 - Overvoltage Relay
' s8 X: G7 H6 m6 W, X * 60 - Voltage or Current Balance Relay4 H% ]0 j/ P+ L1 j7 [; }5 K' C
* 61 - Machine Split Phase Current Balance1 P( c) p1 l+ V7 G! w
* 62 - Time-Delay Stopping or Opening Relay) d% C% ~. m& \% D' T, ?( r0 x/ ~
* 63 - Pressure Switch o" Z% L% J2 h
* 64 - Ground Detector Relay4 t" g: o* @, T; y
* 65 - Governor/ Y& T; \" j5 L- q e" |& a: Q" a
* 66 - Starts per Hour
$ p/ C8 b0 p4 G5 P2 s * 67 - AC Directional Overcurrent Relay
6 D" W/ k! N+ E0 t6 O) E * 68 - Blocking Relay7 ^4 M7 P) W& ?! M, R2 y
* 69 - Permissive Control Device8 v% I! ]0 W4 E$ z/ Z
* 71 - Level Switch
V8 Y; _; C" ~1 U+ |) L/ m * 72 - DC Circuit Breaker ^3 Z' ^7 n1 A$ B4 ~* q
* 74 - Alarm Relay
) y: C; u' N+ ]% h$ U' n& C * 75 - Position Changing Mechanism8 o. f1 ]: ^0 |4 G' _
* 76 - DC Overcurrent Relay
' `" W- k- R+ g/ u) }+ w * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay3 h+ { q1 P0 K5 a
* 79 - AC-Reclosing Relay
|3 g8 R3 |3 P0 H: z; s * 81 - Frequency Relay
* C! u- L2 X% U n9 w/ S; \ * 83 - Automatic Selective Control or Transfer Relay
6 v! X, o' C: Q8 O! `' D * 84 - Operating Mechanism
2 ^* w& O. l" g, A) R) @+ j8 D! W# Y * 85 - Carrier or Pilot-Wire Receiver Relay
/ a$ s$ u) m( Q3 [' G6 ] * 86 - Lockout Relay
' y* B" @. B1 @7 y" ^5 ]0 ?1 ^0 V b5 E * 87 - Differential Protective Relay
# }: R+ q3 j$ f+ w- J, D1 p& v. E * 89 - Line Switch
" o, f1 U* R3 R2 l. Q# r" u * 90 - Regulating Device
# Z* N) o4 m9 Z5 m) m * 91 - Voltage Directional Relay8 Y Y9 C8 E4 g* W& i( c, S
* 92 - Voltage and Power Directional Relay- @9 J+ y7 g' L* O+ `7 q6 N# z/ `
* 94 - Tripping or Trip-Free Relay
0 X$ z% k/ z: _/ A7 I2 N; c! O * 95 - Reluctance Torque Synchrocheck9 w+ ~* ]; J% E) i7 s+ A
* 96 - Autoloading Relay |
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