New

3KD0442-2LG20-3

Condition: New product

Siemens 3KD0442-2LG20-3

Switch disconnector 80A, size 02, 4-pole Front operating mechanism center Complete unit with direct operating mechanism gray Box terminal

Model
product brand name		SENTRON
product designation		3KD switch disconnector
design of the product		Switch
display version for switch position indicator manual operation		O-I
design of the actuating element		Short rotary knob
type of the driving mechanism		Front operating mechanism
type of the driving mechanism motor drive		No
General technical data
number of poles		4
type of device		fixed mounting
size of switch disconnector		02
mechanical service life (operating cycles) typical		100 000
electrical endurance (operating cycles)
● at AC-23 A at 690 V		6 000
I2t value
● of the fuse at 400 V maximum permissible		80 000 A²·s
● of the fuse at 500 V maximum permissible		80 000 A²·s
● of the gG fuse at 690 V maximum permissible		75 000 A²·s
position of the switch operating mechanism		central
overvoltage in percent relative to the operating voltage at AC at 400, 500, 690 V at 50/60 Hz		5 %
overvoltage category		III
degree of pollution		3
Voltage
insulation voltage
● rated value		750 V
surge voltage resistance rated value		8 kV
let-through current of the fuse at 400 V maximum permissible		10 000 A
let-through current of the fuse at 500 V maximum permissible		7 000 A
let-through current of the gG fuse at 690 V maximum permissible		7 000 A
Supply voltage
operating voltage at AC rated value		690 V
Protection class
protection class IP		IP10
protection class IP
● with closed switch with cover or cable lug cover		IP10
● on the front		IP40