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List of Device Numbers0 H. C4 [1 `/ ^1 T1 _
Click to learn more...2 m% a$ n0 D3 B. U: b& V2 I& S3 s
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* 1 - Master Element
7 M8 H- ~8 }5 L6 ? * 2 - Time Delay Starting or Closing Relay3 [! G" M0 Z: |! @/ e n- @
* 3 - Checking or Interlocking Relay. F Q- ~9 C5 o3 Y+ O
* 4 - Master Contactor) d' X1 \) X8 y& `& O
* 5 - Stopping Device
/ T7 c" K, V) U, t% p * 6 - Starting Circuit Breaker y8 h' y- F6 J8 |
* 7 - Anode Circuit Breaker
" j! a M* ?2 y) E8 r * 8 - Control Power Disconnecting Device
! ]0 h! W/ ?2 t2 V9 \" } * 9 - Reversing Device
, @+ @! \( N5 ~; X * 10 - Unit Sequence Switch. T% H3 O# d5 Y3 q4 W5 O7 q- H# T/ U
* 12 - Overspeed Device
$ k2 h* W+ ?" ^) \4 k. C5 s * 13 - Synchronous-speed Device, g' ^8 B6 O$ j8 ~) ]8 E6 X
* 14 - Underspeed Device* @ ^8 p4 |0 i F* Y$ [
* 15 - Speed - or Frequency-Matching Device) Q* N) X3 U; c" h
* 21 - Distance Relay
/ V2 d2 ?8 A5 s0 P! v! g) a5 X * 23 - Temperature Control Device
. G' {8 C* h# L9 Q+ w * 25 - Synchronizing or Synchronism-Check Device: x8 [4 w' q/ H: h9 k1 y
* 26 - Apparatus Thermal Device
, c( `) x7 N3 |( X' U5 X/ R9 d * 27 - Undervoltage Relay( g2 O/ ]! ]5 h* t4 a+ o% ]; v, t
* 29 - Isolating Contactor
, U F' r1 @ F * 30 - Annunciator Relay' v( a) j0 T- S
* 32 - Directional Power Relay
/ S6 Y, u1 Z1 z, F * 36 - Polarity or Polarizing Voltage Devices
1 c9 G9 @" u# { t K% \, p8 ^ * 37 - Undercurrent or Underpower Relay
) `4 Y+ l) e0 S& D. p * 38 - Bearing Protective Device
- C- k7 t \/ q$ F8 }/ G6 k# w * 39 - Mechanical Conduction Monitor# n: M$ d5 q6 v1 b1 G0 I
* 40 - Field Relay
1 Y; \. {# H8 x; f * 41 - Field Circuit Breaker& a4 ~# Z( r& `& I& r
* 42 - Running Circuit Breaker
: e" O0 A0 ?3 F* o" G * 43 - Manual Transfer or Selector Device# \5 E5 i2 P. l% r% V8 w+ ^ x
* 46 - Reverse-phase or Phase-Balance Relay
' s9 ?1 G- [0 l( o+ o7 ^ * 47 - Phase-Sequence Voltage Relay6 W) T* u6 ]7 w3 m
* 48 - Incomplete-Sequence Relay3 P( N) l0 M, B4 A8 [' ?/ |% k
* 49 - Machine or Transformer Thermal Relay, c0 Z! P$ M0 O( W, f: e0 j
* 50 - Instantaneous Overcurrent4 M) R# M) ~& T! B J
* 51 - AC Time Overcurrent Relay
- `- _5 V5 X: n2 z4 J( ] * 52 - AC Circuit Breaker3 k/ Q$ G2 ^7 i) t( H7 y+ O4 s- S. ^
* 53 - Exciter or DC Generator Relay
4 u5 x- d+ E7 N * 54 - High-Speed DC Circuit Breaker* R/ m3 A/ w' ^; j1 e, v! _" j6 Q
* 55 - Power Factor Relay
: r2 j7 n: M5 s4 C7 ~ * 56 - Field Application Relay
: J6 K3 _* ^# k * 59 - Overvoltage Relay
2 [1 e; [* B" `- I2 v0 Y8 }' ^ * 60 - Voltage or Current Balance Relay/ L# P2 U! O# B% j0 ]" T3 {
* 61 - Machine Split Phase Current Balance
6 C. P: t9 h" M8 E7 s- I * 62 - Time-Delay Stopping or Opening Relay
( _+ N4 `% }: ]3 ^, } * 63 - Pressure Switch z0 v' Z/ l1 v9 t: ^! m
* 64 - Ground Detector Relay7 `5 F* g# a# @! ~
* 65 - Governor
8 ]8 s0 h3 p9 `# f# G8 v * 66 - Starts per Hour/ i5 i) P. w0 H' G u7 {4 x3 z( E9 F' ?
* 67 - AC Directional Overcurrent Relay
. b0 P$ D+ t N * 68 - Blocking Relay
5 _3 N, ?7 P, B& ^7 m& q * 69 - Permissive Control Device* I1 |% ]6 `' N6 W
* 71 - Level Switch( n6 V) e7 b F) f& \! L
* 72 - DC Circuit Breaker
: ?8 l* n2 \& i' u0 I4 e) V * 74 - Alarm Relay
# k" S! c( Y, N1 m' n" U3 x. O * 75 - Position Changing Mechanism1 _0 K: d. R9 l) z
* 76 - DC Overcurrent Relay% O7 R1 |: h5 ^# Z9 j
* 78 - Phase-Angle Measuring or Out-of-Step Protective Relay' ~$ k0 u/ l$ O7 j6 i( b
* 79 - AC-Reclosing Relay& n7 A* W1 D; P: G) H* J* V' F
* 81 - Frequency Relay
* y+ }7 h6 h D% N9 \5 D * 83 - Automatic Selective Control or Transfer Relay2 F: |" e& R! M7 A- ^7 B
* 84 - Operating Mechanism
) I; X# ^# W' a0 C+ z: q * 85 - Carrier or Pilot-Wire Receiver Relay
- ^1 t! ~& A# l2 ~ * 86 - Lockout Relay
' h! {8 K. J+ ^& A6 k+ k! \+ u * 87 - Differential Protective Relay
/ q; `, ]3 K( ] I( t' G * 89 - Line Switch
% k3 Z$ n* l6 E" A* z. x4 n * 90 - Regulating Device
& S u, ~0 g( Z1 W4 S * 91 - Voltage Directional Relay
! s$ g7 U9 E% [$ P2 d * 92 - Voltage and Power Directional Relay% L/ }( E N# t% ^5 @
* 94 - Tripping or Trip-Free Relay) w+ h5 E. G" r
* 95 - Reluctance Torque Synchrocheck9 F7 [0 ?+ i6 m8 {
* 96 - Autoloading Relay |
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