Huayi LW36A-126, Operation Instruction Manual

Page: 5 / 32

0HK.412.530SM
LW36A-126/145
High Voltage SF6 AC Circuit Breaker
4/30
Continuous sheet 1
No. Item Unit Parameter
19 On-off time ms ≤ 60
20 Main loop resistance µ Ω ≤ 40
21 Rated gas SF6 pressure (20
℃
meter’s
pressure)
0.6
22
Alarm/closedown pressure
（
20
℃
meter pressure)
MPa
0.55 / 0.50
23 Gas SF6 leak annual % ≤ 1
24 Moisture content of gas ppm(v) ≤ 150
25 Mechanical life
次
6000
26 Wireless interfere level µV ≤ 500
Between fracture 3150/3625 27 Creepage
distance To ground
mm
3150/3625
28 Gas SF6 weight of each circuit breaker 10
29 Circuit breaker weight
kg
1300
Main technical parameter of mechanism
sheet 2
No. Item Unit Parameter
1 Auxiliary loop voltage V DC220
2 Rated operating voltage of
switch on coil and switch off coil V DC220
3 Rated operating current of switch
on coil and switch off coil A 2
Rated voltage V AC220 /DC220
Voltage range of
normal operation V 65%~110%
4 Energy
store
motor
Power W 600
5 Energy store time of motor s ≤ 15
6 Manual energy store moment N·m ≤ 30
7 Loop voltage of heater and
lighting V AC 220
8 Rated voltage of auxiliary switch V DC 220
9 Rated current of auxiliary switch A 10
10 Connection point pairs of
auxiliary switch
20
2 ． 2 Whole configuration feature of circuit breaker
The configuration shown as drawing 1, 3 poles porcelain vase install on a common base. The control
box lift on under the center of base, spring operating mechanism and control unit are installed in the
control box, the output pole of mechanism is connect with middle phase’s regulating lever.
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