Description
Siemens 3KA7123-4AA00 SWITCH DISCONNECTOR 4X250A W/O OP.MECH.
SWITCH DISCONNECTOR 4X250A W/O OP.MECH.
Model | |
product brand name | SENTRON |
product designation | Switch disconnector |
design of the product | Basic versions without handle |
design of the load switch / strip form | No |
type of the driving mechanism / motor drive | No |
General technical data | |
number of poles | 4 |
type of device | fixed mounting |
electrical endurance (switching cycles) / typical | 2,000 |
circuit-breaker / Design | 3KA712 |
mechanical service life (switching cycles) / typical | 10,000 |
type of voltage | AC/DC |
operating current / at AC / rated value | 250 A |
operating voltage | |
● rated value | 690 V |
● at AC / at 50/60 Hz / rated value | 690 V |
● at DC / rated value | 440 V |
Protection class | |
protection class IP | IP00 |
Current | |
operating current / at AC-21 / rated value | 250 A |
current / rated value | 250 A |
continuous current / rated value | 250 A |
Suitability | |
suitability for use ● EMERGENCY OFF switch ● safety switch |
Yes Yes |
Connections | |
type of electrical connection ● for main current circuit |
Busbar connection flat connector |
Mechanical Design | |
height | 152 mm |
width | 168 mm |
depth | 81 mm |
mounting type | floor mounting |
net weight | 1.6 kg |
Environmental conditions | |
ambient temperature / during operation ● minimum ● maximum |
-20 °C 45 °C |
ambient temperature / during storage / minimum | -25 °C |