Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)

Model NO.: 208E
Poles Number: 3
Type: Vacuum
Function: Vacuum
Certification: ISO9001-2000, CQC
Warranty: 12 Month
Trademark: ZGVE
Transport Package: Standard Export Packing.
Specification: Vacuum
Origin: Wenzhou
HS Code: 8538900000
ZN28 VS1 Vacuum Interrupter For Indoor Circuit Breaker
Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)



Main Technical Data
Main Technical Data
Rated Voltage  12kV
Rated Current  630/1250A
Rated Frequency 50Hz
Rated Short-time power frequency withstand voltage(1min) 42kV
Rated Lighting impulse withstand voltage 75kv
Rated short-circuit breaking current  25KA
Rated short-circuit making current(peak) 63kA
Breaking operations of rated short circuit breaking current 30 timies
Rated sigle capacitor bank breaking current  400A
Rated short-time withstand current 25kA
Rated peak withstand current 63kA
Rated duration of short-circuit 4s
Mechanica life 20000times
Contact closing force due to bellows and atmosphere 80±40N
Counterforce at rated contact stroke 120±50N
Circuit resistance at rated contact force  ≤25μΩ
Shelf life  20 years
Contact erosion limit 3mm
Weight of moving parts ≤1.3kg
Mechanical Data Required for matched vacuum switchgear
Rated contact stroke 10±1mm
Average opening speed  1.0±0.25m/s
Average closing speed  0.65±0.15m/s
Added contact force  2000±100N
Contact bouncing duration at closing operation ≤2ms
Contact bouncing bank amplitude of opening operation ≤2mm
Three-pole simultaneity ≤1ms




Dimensional Drawing

Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)

Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)

Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)
Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)
Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)

32Mm Dc Planetary Gear Motor includes 32RP31ZY, 32RP3161 and 32RP31ZY Dc Planetary Gear Motor. This kind of Planetary Gear Motor is mainly applied on medical devices like injection equipment, beauty instruments and massage devices.

32mm DC Planetary Gear Motor has the following characterics:

1.the 32mm DC Planetary Gear Motor has a good performance on the noise level;

2.the planetary gearbox has a longer working life than other types gearbox;

3.the micro dc Planetary Gear motor has a small size, but the torque it could reach equal to some gearbox over 50mm

32mm dc planetary gear motor

For 32mm dc planetary gear motor, there are 4 types gearbox;

For the 1 stage gearbox, we have 3.7, 5.2 gear ratio;

For the 2 stages gearbox, we have 14, 19, 27 gear ratios;

For the 3 stages gearbox, we have 51, 71, 100, 139 gear ratios;

For the 4 stages gearbox, we have 186, 264, 369, 515, 721 gear ratios;

Number of stages 1 2 3 4
Reduction ratio 3.7, 5.2 14, 19, 27 51, 71, 100, 139 186, 264, 369, 515, 721
Gearbox length(L) mm 27.5 35.5 43.5 51.5
Breaking torque(kgfcm) 6 10 20 40
Gearbox efficiency 90% 81% 73% 65%

32mm dc planetary gear motor

32mm DC Planetary Gear Motor

32Mm Dc Planetary Gear Motor,32Mm Brushless Dc Motor,32Mm Planetary Gear,32Mm Planetary Gear Motor

SHENZHEN DONGMING MOTOR CO., LTD. , http://www.dmdcmotor.com

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