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List of Device Numbers7 @% i% p. ~. ]6 m* V+ x0 G
Click to learn more...) f- c k1 ?# V6 Z0 Z8 k" |! l; q
) j& m) ?" H4 ]" u * 1 - Master Element# }1 E8 }: n/ y2 ?2 j
* 2 - Time Delay Starting or Closing Relay/ k S7 Y& X! V6 ]
* 3 - Checking or Interlocking Relay
2 Q0 c1 f3 Y& _8 ?# Z3 N/ t8 U * 4 - Master Contactor2 y9 n- D# u/ Z
* 5 - Stopping Device4 r+ A/ \3 [; n) O8 _' h
* 6 - Starting Circuit Breaker' M* f9 H" p$ M" v& h$ X
* 7 - Anode Circuit Breaker
& P& ?) F1 v7 n# I K' F * 8 - Control Power Disconnecting Device2 h" W9 S# f/ I G0 c/ l" a
* 9 - Reversing Device
* f$ }4 @- \/ j; m( N9 O; ] * 10 - Unit Sequence Switch
8 V I0 x+ |# g8 [* t8 ? * 12 - Overspeed Device8 u2 a& ^( ^: I9 A* D6 _# V% I# v9 A
* 13 - Synchronous-speed Device
0 a# {4 B. {7 Q$ h * 14 - Underspeed Device8 n4 d( l5 i$ ?( u/ a# Y7 P" M& a$ d
* 15 - Speed - or Frequency-Matching Device
/ f- e+ u- D$ m t * 21 - Distance Relay
- c' Y# E; Y+ e; X0 z. ^" I * 23 - Temperature Control Device7 e2 \1 Q8 A5 E0 Y6 A8 L
* 25 - Synchronizing or Synchronism-Check Device! t% f! S2 B. L) S+ v! y
* 26 - Apparatus Thermal Device- J* o' @) \/ s3 C' R) T% k: L' F. k
* 27 - Undervoltage Relay4 Y; d& O3 o5 Q @1 ^- e! }& |- _
* 29 - Isolating Contactor
, U ], u" c, F, F$ S/ c, |5 ? * 30 - Annunciator Relay
/ V4 T% U/ O: r' u; a" D * 32 - Directional Power Relay
$ |( v f' t. p- ~# Y. w. g * 36 - Polarity or Polarizing Voltage Devices
, [5 e0 d ~2 Z \ * 37 - Undercurrent or Underpower Relay- L- s. p2 e/ k y* w) t
* 38 - Bearing Protective Device
' g" Y( k/ C% R# c, S4 ?2 d& q/ E * 39 - Mechanical Conduction Monitor* ~ S# F$ v6 V
* 40 - Field Relay2 o. M) [$ e5 V) S+ x; b2 F
* 41 - Field Circuit Breaker' @1 U1 v0 b) c7 Z
* 42 - Running Circuit Breaker. }8 a- O. m2 f- s0 m$ y, q
* 43 - Manual Transfer or Selector Device
) x% q' C( [/ ?: {+ B * 46 - Reverse-phase or Phase-Balance Relay
# Q7 M2 P- _+ M) t6 r' s * 47 - Phase-Sequence Voltage Relay' y: { E7 D7 T0 [0 x* Z( ]
* 48 - Incomplete-Sequence Relay
7 y! Y/ }6 r* f( g& M * 49 - Machine or Transformer Thermal Relay
7 v# s4 d5 r3 y * 50 - Instantaneous Overcurrent
7 E1 Z$ p$ k/ l5 \8 _ * 51 - AC Time Overcurrent Relay, b( Y4 }$ O) ~) B/ T8 s% n$ ?
* 52 - AC Circuit Breaker* v; [8 {; V( @3 o
* 53 - Exciter or DC Generator Relay
( ^5 v1 \, y5 b9 V* F. m1 k * 54 - High-Speed DC Circuit Breaker" W7 v# ]' d( e) {- |5 k( U
* 55 - Power Factor Relay ~# _8 [/ [0 X4 b+ |' O
* 56 - Field Application Relay
1 V( I; Z! c+ U* a F% Q * 59 - Overvoltage Relay# z; f2 j' o* Q! H. O( |! y/ S
* 60 - Voltage or Current Balance Relay; C# h; [' ^, i
* 61 - Machine Split Phase Current Balance% c8 n6 y4 S2 i1 p5 F4 I0 x
* 62 - Time-Delay Stopping or Opening Relay. I$ ~+ a! F' F. c/ E
* 63 - Pressure Switch4 O' Y9 Y1 S4 k# B
* 64 - Ground Detector Relay
1 \' X- K" }; v! I * 65 - Governor( e4 |( ?1 l/ n+ l4 V; x
* 66 - Starts per Hour
, N* ^7 @' T/ |) ]) i$ {$ k * 67 - AC Directional Overcurrent Relay# \ s0 p3 @! F0 ^* ^+ v9 }* E a
* 68 - Blocking Relay
c! B" e) c; `* d3 ?0 N0 @; T } * 69 - Permissive Control Device
6 x9 i* _: M$ B5 x: z * 71 - Level Switch
9 @2 {& p7 ?1 C5 S * 72 - DC Circuit Breaker5 U+ n6 N1 O. ^, a% Z5 j+ O
* 74 - Alarm Relay
! i; w3 k4 G- m8 } * 75 - Position Changing Mechanism! _: n R( I" r, d) c4 x1 ^
* 76 - DC Overcurrent Relay
) O3 v% `6 v0 m0 O0 ^$ `$ |" W * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay
, Z0 p/ }. z6 }& X * 79 - AC-Reclosing Relay
- o" k2 X; \; [ * 81 - Frequency Relay
' [$ w r% r/ c# a8 b * 83 - Automatic Selective Control or Transfer Relay
! s/ [- V" C2 E8 r2 ^$ x/ ` g * 84 - Operating Mechanism( c5 e7 D d' \' M# Q; _
* 85 - Carrier or Pilot-Wire Receiver Relay
) W* J! P9 n" L; G/ B- p * 86 - Lockout Relay
; V# h: N1 |! ~* y; d- k7 [ * 87 - Differential Protective Relay$ g* p7 u2 W+ [' B$ ]) S
* 89 - Line Switch3 X, D* l0 }- s5 ]
* 90 - Regulating Device6 T3 n! x; l' l
* 91 - Voltage Directional Relay
) l! M) q% p, o * 92 - Voltage and Power Directional Relay
5 m( Y+ ?, ^' D- ?6 p# q * 94 - Tripping or Trip-Free Relay$ i' ?2 V/ V* k6 L
* 95 - Reluctance Torque Synchrocheck
1 ~: r4 p' @7 t0 u; d * 96 - Autoloading Relay |
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