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3KF4340-0MF51
New

3KF4340-0MF51

New product

Siemens 3KF4340-0MF51

Switch disconnector with fuse 3KF SITOR, 400 A, Size 4, 3-pole, for LV HRC fuse Sz. 1 and 2 for semiconductor protection, front operating mechanism, central, basic unit without handle, flat terminal without fuses

Model
product brand name SENTRON
product designation 3KF switch disconnector with fuses
design of the product 3KF switch disconnector with fuses
product version 3KF SITOR
design of the actuating element without
design of handle Without
direction of actuation from the front
type of the driving mechanism motor drive No
number of poles 3
size of disconnecting link 2 and 1
size of switch disconnector 4
size of fuse link NH1, NH2
mechanical service life (operating cycles) typical 8 000
electrical endurance (operating cycles)
● at AC-23 A at 440 V 3 000
● at AC-23 A at 690 V 2 000
● at DC-23 A at 440 V 1 000
I2t value
● with closed switch for combination switch + fuse at 500 V maximum 1 205 000 A²·s
● with closed switch for combination switch + fuse at 400 V maximum 1 205 000 A²·s
● with closed switch at 690 V for combination switch + gG fuse maximum 1 300 000 A²·s
● of the fuse at 500 V maximum permissible 2 150 000 A²·s
● of the gG fuse at 690 V maximum permissible 2 600 000 A²·s
● of the aM fuse at 690 V maximum permissible 2 600 000 A²·s
position of the switch operating mechanism center left
fuse system LV HRC fuse
overvoltage category IV
operating voltage with current paths in series
● with degree of pollution 2 at DC rated value 440 / 3
● with degree of pollution 3 at DC rated value 440 / 3
surge voltage resistance rated value 12 kV
Supply voltage
operating voltage at AC rated value maximum 690 V
Protection class
protection class IP IP00
protection class IP
● with closed switch with cover or cable lug cover IP00
● on the front IP00

Siemens satış, Siemens sales, Siemens distribütör, Siemens Türkiye

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