IEK
Air circuit breaker 4p B 1250A 85kA TT withdrawable with accessory kit ARMAT IEK AR-ACB-4VB-085-1250A-TTCF
SKU: AR-ACB-4VB-085-1250A-TTCF
ETIM: EC000228
2,741,585 ₽
Get back 27,415 ₽ in points
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Analogues by specifications
ARMAT series Air Circuit Breakers (ACB) are designed to protect power supply networks from short circuits and overloads, as well as for the rapid switching of electrical circuit sections, and are designed for use in electrical installations with a rated operating voltage of up to 690 V for rated currents from 630 to 6300A.
These circuit breakers are equipped with electronic trip units with various combinations of functional features, including Modbus communication capability, which, given a breaking capacity of up to 150 kA, allows the use of ARMAT ACB in any type of industrial and civil facilities.
Comply with GOST R 50030.2.
Main circuit connection type
Rear connection
Built-in motor drive
Yes
Height
435.0 мм
Height
435.0 мм
Altitude above sea level
< 2000
Depth
390.0 мм
Overload protection device setting range to
1250 А
Setting range of overload protection device from
500...1250 А
Instantaneous short-circuit release setting range to
50000 А
Instantaneous short-circuit release setting range from
1250...50000 А
Auxiliary device factory-installed
Shunt release (for power circuit breakers)
Design
Withdrawable
Number of auxiliary NO contacts
0
Number of auxiliary changeover contacts
6
Number of auxiliary break contacts
0
Number of poles
4
Design
Other
Mechanical endurance without maintenance
25000
Motor drive optional
No
Electronic release available
Yes
Rated impulse withstand voltage
12
Rated short-time withstand current Icw for 1 s
85
Rated service short-circuit breaking capacity Ics
85
Rated ultimate short-circuit breaking capacity Icu at 400 V, 50 Hz
85 кА
Rated insulation voltage Ui
1250 В
Rated voltage up to
690 В
Rated voltage from
690...690 В
Rated current
1250 А
Rated continuous current Iu
1250 А
Suitable for DIN-rail mounting
No
Power loss
420 Вт
Operating mode
Continuous
With minimum voltage protection
Yes
Tripping system
Electronic
IP protection rating
IP30
Product/component type
Air circuit breaker
Main electrical circuit connection type
Bolted connection
Control element type
Other
Mains supply frequency
50 Гц
Width
365.0 мм
Electrical endurance without maintenance at AC 690V
8000
0
★★★★★
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