EKF
Isolator 250A 3P without control handle TwinBlock EKF tb-s-250-3p
SKU: tb-s-250-3p
ETIM: EC000216
7556 ₽
Price list (incl. VAT):
14168 ₽
Available August 4
Availability
| Warehouse | Qty | Unit | Ready for pickup | Delivery to Smolensk | |
|---|---|---|---|---|---|
|
Manufacturer warehouse
Available
|
109 | шт | August 4 | August 4 | |
|
Transit warehouse
Available
|
49 | шт | August 4 | August 4 |
Select a warehouse to order
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 В |
| Motor drive optional | No |
| Independent trip unit | No |
| Rated power in AC-23 operating mode, 400 V | 124 кВт |
| Rated voltage at | 690 В |
| Rated voltage from | 400...690 В |
| Rated short-time withstand current Icw | 8 кА |
| Rated continuous current Iu | 250 А |
| 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 кА |
| Colour of control elements | Other |
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