
VM12 Vacuum Circuit Breakers for Reliable 6/10 kV Power Distribution
Manufacturer:
ELTEHNIKA OJSC
Price:
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Description
The switches are designed to work as part of switchgear in networks of three-phase alternating current frequency of 50 Hz, rated voltage of 6 or 10 kV with isolated or grounded through arc-quenching reactor or resistor neutral. Overall and connection dimensions of switches allow to install them in complete switchgear (CSR, switchgear switchgear), when replacing circuit breakers that have served their time (retrofit), as well as for use as a means of switching in reclosers and other devices.
Specifications
Width
525...677 mm
Height
701 mm
Depth
601...607 mm
Width
440...640 mm
Height
485 mm
Availability of built-in controls
Armoured glass
Depth
233...268 mm
Nominal voltage
10 kV
Highest operating voltage
B1/B8 2100/900 MHz kV
Rated current
1000 A
Rated tripping current
20000 A
Thermal resistance current
20000 A
Electrodynamic resistance current
51000 A
Mechanical life (number of cycles B-tp-O), not less than
50000 pcs
Switching life (number of cycles V-t-O) at rated tripping current, not less:
25 pcs
Switching life (number of cycles V-t-O) at rated tripping current, not less:
13 pcs
Operating ambient air temperature range
-25 to +40 °C
Resistance to seismic effect according to MSK-64 scale
8 points
Average service life before write-off
30 year
Weight
34 kg
Mark
VM12
Current type of control coil
Variable/permanent
Block pins
Armoured glass
Control coil voltage
24-230 V
Poles
Construction of the pole body is composite, made of high-strength polymer material, providing high dielectric characteristics and strength of the pole. VDC is installed inside the pole.
Drive
Electromagnetic switch actuator with magnetic latch
Joining
Stationary, rolling out
Degree of protection according to GOST 14254-96
IP4X
Control circuit current type
Variable/permanent
Type of climatic version according to GOST 15150-69
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Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.
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Shipping Terms
Delivery Time
Sea freight: 30-60 days (depending on destination)
Air freight: 14-21 days (for urgent orders)
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