EKF
Isolator 250A 3P without control handle TwinBlock EKF tb-s-250-3p
SKU: tb-s-250-3p
ETIM: EC000216
6,256 ₽
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TwinBlock series knife switches are designed for passing rated currents, switching on and off electrical circuits with a rated voltage of up to 690 V AC at frequencies of 50 and 60 Hz in electrical power distribution devices. TwinBlock series switch-disconnectors (models 40-800 A) have the possibility of connecting an additional fourth pole.
Built-in motor drive
No
Design as auxiliary/maintenance switch
Yes
Version as main switch
Yes
Design as protective switch
No
Version as emergency switching-off device
Yes
Number of auxiliary NO contacts
0
Number of auxiliary changeover contacts
0
Number of auxiliary break contacts
0
Number of poles
3
Design
Mounting in distribution board
Maximum rated operational voltage Ue AC
690 V
Motor drive optional
No
Independent trip unit
No
Rated power in AC-23 operating mode, 400 V
124 kW
Rated voltage at
690 V
Rated voltage from
400...690 V
Rated short-time withstand current Icw
8 kA
Rated continuous current Iu
250 A
Suitable for base mounting
No
Suitable for intermediate mounting
Yes
Suitable for distribution board
Yes
Reversing design
No
With interlock
No
Ingress protection (IP) of front side
IP20
Ingress protection (NEMA)
4
Product/component type
Load-break switch disconnector
Main electrical circuit connection type
Bolted connection
Control element type
Swivel lever
Conditional rated short-circuit current Iq
40.5 kA
Colour of control elements
Other
0
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