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YCW1 Series Air Circuit Breaker

Type designation

1. Rated current in scope of frame current 2000 Type-in: 630A, 800A, 1000A, 1250A, 1600A, 2000A; 3200 Type-in: 2000A, 2500A, 3200A; 6300 Type-in: 4000A, 5000A, 6300A; 2. Pole number 3-default, 4-4 pole 3. Installation Fixed type-horizontal, vertical Draw out type-horizonal, vertical Note: 2000 type have vertical wiring, others are horizontal wiring 4. Control unit L type-dial switch mode, over-current protection (overload, short delay, instantaneous). 2M type-digitaldisplay,over-current protection (overload, shortdelay, instantaneous), 4P or 3P+N have earthing protection (3M type is LCD display). 2H type-communication function, digital display, over-current protection (overload, short delay, instantaneous), 4P or 3P+N have earthing protection (3H type is LCD display). 5. Common use accessory Closing electromagnet-AC230V, AC400V, DC220V Undervoltage release-AC230V, AC400V, undervoltage instantaneous, undervoltage time-delay Release (close) magnetic iron-AC230V, AC400V, DC220V Electric operation mechanism-AC230V, AC400V, DC110V, DC220V Auxiliary contact-standard type (4a4b), special type (5a5b, 6a6b) Note: a-normal open, b-normal close 6. Optional accessory Mechanical inter-lock: one circuit breaker (1lock+1key) two circuit breaker (steel cable inter-lock, connecting rod inter-lock, 2lock+1key) three circuit breakers (3locks+2keys, connecting rod inter lock) Automatic power transfer system Current transformer connected with neutral lead

Operation Conditions

Operating conditions
Item Description
Ambient temperature -5℃~+40℃ (except special order products)
Altitude ≤2000m
Pollution grade 3
Safety category Main circuit and undervoltage tripping coil is IV, other auxiliary and control circuit is III
Installation position Vertical installed, tilt not exceed 5 degree
Environmental protection Most of parts use recyclable and degradable materials
Isolating function With isolating function

Specifications

Curves Data
Type YCW1-2000 YCW1-3200 YCW1-6300
Pole 3P, 4P 3P, 4P 3P, 4P
Using category B B B
Rated current In A 630, 800, 1000,1250, 1600, 2000 2000, 2500, 3200 4000, 5000, 6300
Rated frequency Hz 50 50 50
Rated operation voltage Ue V 400, 690 400, 690 400, 690
Rated insulation voltage Ui V 800 800 800
Arcing distance mm 0 0 0
Rated impulse withstanding voltage Uimp V 8000 8000 8000
Rated operation short circuit   breaking capacity Ics (O-t-CO) 400V kA 50 80 100
660V kA 40 50 75
Rated limiting short circuit 400V kA 80 80 120
breaking capacity Icu (O-t-CO) 660V kA 50 65 85
Rated short time withstanding current Icw (O-t-CO, AC400V 0.4S) 400V kA 50 65 85
Operation life Per hour times 20 20 10
Electrical times 1000 500 500
Mechanical times 10000 5000 5000
Full breaking time ms 20~30 20~30 20~30
Full closing time ms 55~70 55~70 55~70
Power consumption 3P W 360 1200 2000
4P W 450 1750 2300
Resistance of each pole Fixed type μΩ 11 9 -
Draw out type μΩ 20 14 10
Dimensions (L ×W × H) 3P fixed type mm 362 ×323 ×402 422 ×323 ×402
3P draw out type mm 375 ×461 ×452 435 ×471 ×452
4P fixed type mm 457 ×323 ×402 537 ×323 ×402
4P draw out type mm 470 ×461 ×452 550 ×471 ×452
Approximate weight 3P fixed type kg 41 55
3P draw out type kg 71 95 245
4P fixed type kg 51.5 65 -
4P draw out type kg 86 115 260
Overload protection data
Overload protection YCW1-2000~6300
Adjust scope Ir1 (0.4-1)In (pole difference 2%)
1.05 Ir1 h 2h non-tripping
1.3 Ir1 h ≤1h tripping
1.5 Ir1 s 15 30 60 120 240 480
2.0 Ir1 s 8.4 16.9 33.7 67.5 135 270
Accuracy % ±15
 
Short circuit, short time delay
Adjust scope Ir1 Ir2 (0.4-15)In (pole difference 2%)
Delay time tr2 ms 100, 200, 300, 400
Accuracy % ±15

Short circuit, instantaneous
YCW1-2000 YCW1-3200 YCW1-6300
Adjust scope Ir1 Ir3 1In-50kA 1In-75kA 1In-100kA
Accuracy % ±15 ±15 ±15
 
Load monitoring output YCW1-2000~6300
Load adjust scope Ic1 (0.2-1)In (pole difference 2%)
Delay time tc1 tr1 ×0.5
Load adjust scope Ic2 (0.2-1)In (pole difference 2%)
Delay time tc2 tr1 ×0.25 (anti-time limit)
Accuracy s 60 (set time limit)
% ±10

Overall and mounting dimensions

Installation and figure dimension of YCW1-2000A fixed type circuit breaker Installation and figure dimension of YCW1-3200A fixed type circuit breaker Installation and figure dimension of YCW1-4000A fixed type circuit breaker Installation and figure dimension of YCW1-6300A fixed type circuit breaker Installation and figure dimension of YCW1-2000A draw-out type circuit breaker Installation and figure dimension of YCW1-3200A draw-out type circuit breaker Installation and figure dimension of YCW1-4000A draw-out type circuit breaker Installation and figure dimension of YCW1-4000A(4P) draw-out type circuit breaker Installation and figure dimension of YCW1-6300A draw-out type circuit breaker Installation and figure dimension of draw-out type circuit breaker (Inm=3200A 3P 4P) Dimension of panel hole see picture and table Unit:mm Interlock device of circuit breaker see picture Unit:mm Interlock device of vertical install circuit breaker Interlock device of horizontal install circuit breaker

Characteristic of intelligent controller

Basic function
  Overload longtime-delay/anti-time limit protection
Short circuit short time-delay/anti-time limit protection
Short circuit short time-delay timing protection
Short circuit instantaneous protection
Insulate earth fault protection
 
Display function
Current (select 1) Digital display Can display L1, L2, L3, ImaxI G(earth), IG(Neutral)
Voltage (select 2) Digital display Can display U12, U23, U31, Umin
Power (select 2) P
Power factor (select 2) COSΦ
Warning function
Over current fault warning Light-emitting diodes on panel After fault trip indicator light corresponding
Fault category identification Light-emitting diodes on panel Overload log time-delay
Short circuit short time-delay
Short circuit instantaneous
Earth fault
Fault phase sequence Digital display Display the fault phase sequence
Current Breaking current
Time display Breaking time
Contact loss indication Digital display Display percentage of loss
Self-diagnosis function Send the error signal
 
Testing function
Panel key Tripping Test the time current characteristic of    release and situation of operation device
Remote monitoring function Non-tripping Test the time current characteristic of release
Remote monitoring code signal optocoupler Relay (contain power) module Output of various working condittion
Communication function
Communicate type RS485(communication) I/O User should consult with the manufacturer
 

Electrical accessories

Under-voltage release Rated working voltage Ue(V) AC400  AC230
  Acting voltage (V) (0.35~0.7) Ue
Reliable close voltage (V) (0.85~1.1) Ue
Non close voltage (V) ≤0.335Ue
Power loss 12VA (YCW1-1000 5VA)
 
Shunt release Rated control power voltage Us(V) AC400  AC230  DC220  DC110
  Acting voltage (V) (0.7~1.1) Ue
Power loss 40VA 40W (YCW1-1000 5VA)
Open time less than 30ms
 
Close electromagnetic iron Rated control power voltage Us(V) AC400  AC230  DC220  DC110
  Acting voltage (V) (0.85~1.1) Ue
Power loss 40VA 40W (YCW1-1000 5VA)
Open time less than 70ms
 
Motor operating device Rated control power voltage Us(V) AC400  AC230  DC220  DC110
  Acting voltage (V) (0.85~1.1) Ue
Power loss 40VA 40W (YCW1-1000 5VA)
Open time less than 5s

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