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List of Device Numbers( F! G7 J0 {7 W1 ]0 |$ r- X
Click to learn more...& W5 }( s5 G. [4 j1 e2 r* ^: Y3 _! O
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* 1 - Master Element
A+ e. O2 b F9 ?) }# K * 2 - Time Delay Starting or Closing Relay9 P/ J; N( }5 u( G) l# J3 |
* 3 - Checking or Interlocking Relay
+ i& m5 u2 o9 n( Q* t * 4 - Master Contactor
' I3 o$ @7 p! Y3 y1 p * 5 - Stopping Device
% t a K' F" X7 o" Q5 B4 @ * 6 - Starting Circuit Breaker$ y3 ?0 D1 R( r }' ?' e
* 7 - Anode Circuit Breaker' x. S7 B2 E2 g$ n- v4 `
* 8 - Control Power Disconnecting Device
3 S) j0 V! r7 S& g& V# Q b * 9 - Reversing Device+ n7 [ C7 ?5 u- u
* 10 - Unit Sequence Switch6 w: g o# L8 q! `. o
* 12 - Overspeed Device
' U, Y3 p( t- g4 l4 t; U" f * 13 - Synchronous-speed Device
" k* N2 v" P: ^9 g2 B4 v * 14 - Underspeed Device
3 K4 T7 f1 ^' E' B4 E * 15 - Speed - or Frequency-Matching Device
& k, P4 l( l) q! W# l. i * 21 - Distance Relay
o* o9 O7 Q9 l9 r' p: a4 w * 23 - Temperature Control Device
+ z/ A1 a; `' ?( @3 E6 S * 25 - Synchronizing or Synchronism-Check Device
q. S1 R# O" w5 C& o& h; w/ M$ Y * 26 - Apparatus Thermal Device
" Y1 C' n2 e1 [1 l: s w6 R * 27 - Undervoltage Relay
" K, L2 t# @- p3 I; ]$ [+ V! E * 29 - Isolating Contactor
+ n" n; p/ v0 d% } `+ P% D& l( X) h * 30 - Annunciator Relay
y* }" v: A( ^" F * 32 - Directional Power Relay. L3 P/ ~3 u, M/ F- m* h: q- x. ~
* 36 - Polarity or Polarizing Voltage Devices c3 M2 u" D( Z
* 37 - Undercurrent or Underpower Relay" d7 c8 e* |/ R) y, p& Z
* 38 - Bearing Protective Device. R7 |* w- L$ C5 P. Q) k2 `
* 39 - Mechanical Conduction Monitor
2 M' e" r3 @! p; x. w * 40 - Field Relay4 P' t \( |4 \$ U, H6 g
* 41 - Field Circuit Breaker1 q% w; g; |8 X; W4 H: a6 `) M
* 42 - Running Circuit Breaker
/ E6 e4 z# z$ V) M * 43 - Manual Transfer or Selector Device1 B6 A, C8 s$ h/ b0 B
* 46 - Reverse-phase or Phase-Balance Relay3 z4 L4 l8 N' C. R# l, W) {
* 47 - Phase-Sequence Voltage Relay
: ]; `6 V2 ?% K9 I * 48 - Incomplete-Sequence Relay+ E' m( Q2 j. M' y5 L/ S' ]" Z1 e. J
* 49 - Machine or Transformer Thermal Relay; r8 e0 v! @. ~0 Y
* 50 - Instantaneous Overcurrent( ^6 T1 X$ E* l! d; B b- S
* 51 - AC Time Overcurrent Relay
1 m, H$ q7 j4 N9 e7 q- Q1 t * 52 - AC Circuit Breaker
, \+ e- A; E9 s( x: G( i* t. U+ ? * 53 - Exciter or DC Generator Relay5 }, q) n+ Z6 A3 w ?7 {
* 54 - High-Speed DC Circuit Breaker+ z2 {* A3 `" J+ Y/ u$ r
* 55 - Power Factor Relay
}( k5 D, Y W, O * 56 - Field Application Relay
; N- D$ B, L- v2 ?% ?8 f( ~# o * 59 - Overvoltage Relay( Y6 R$ [, \4 B! u. c6 @6 P) S
* 60 - Voltage or Current Balance Relay
2 [5 a- E1 }4 |6 f) a/ O! g% W * 61 - Machine Split Phase Current Balance
' b1 p; K3 M' ]! q) u" L- o * 62 - Time-Delay Stopping or Opening Relay
4 \4 g- L' _, L& K# j * 63 - Pressure Switch$ h9 o# c( G. j: b
* 64 - Ground Detector Relay
1 x3 R# } i. Y5 H; B7 E * 65 - Governor' o6 p/ F' z2 L; z
* 66 - Starts per Hour
! {% [) s* J9 w/ U* p * 67 - AC Directional Overcurrent Relay
8 x" z8 a3 m5 G9 \, b. b5 r * 68 - Blocking Relay
$ q6 M4 A- V% T% M * 69 - Permissive Control Device: k- ^2 ?$ N, X# ~
* 71 - Level Switch
3 `& C8 p B* z+ F3 `" }# A * 72 - DC Circuit Breaker( U( P- k& @- q5 z4 }* u7 E
* 74 - Alarm Relay
# i. t& A; L8 P2 r$ H1 e * 75 - Position Changing Mechanism
4 G3 y0 c! z; `4 D * 76 - DC Overcurrent Relay
- V1 u/ x1 }( D: U+ y0 [ * 78 - Phase-Angle Measuring or Out-of-Step Protective Relay/ r1 y+ ]% j$ b6 n- B
* 79 - AC-Reclosing Relay
9 N% h+ ~ h( R# s# z" W * 81 - Frequency Relay
1 C* D2 ] _- t8 k * 83 - Automatic Selective Control or Transfer Relay
3 q: r6 b5 u5 b r) X/ m# L * 84 - Operating Mechanism
% b# T: P$ z0 {! f# V( } * 85 - Carrier or Pilot-Wire Receiver Relay
/ _ i3 m/ L' n _( r) [ * 86 - Lockout Relay
" F5 j$ c; b. b- i# T. V) w * 87 - Differential Protective Relay
% t7 [( \/ [- [8 J K- } * 89 - Line Switch
1 h; R2 \7 j8 h * 90 - Regulating Device! \3 J& S* q5 F! P
* 91 - Voltage Directional Relay) W5 X ^4 r; y0 I, B
* 92 - Voltage and Power Directional Relay( p$ M- ^2 I) R. _. s: n/ v
* 94 - Tripping or Trip-Free Relay
/ u: m. D$ F5 O1 z * 95 - Reluctance Torque Synchrocheck% k4 X5 w8 s: T9 }9 f/ @
* 96 - Autoloading Relay |
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