|
Model
|
|
product brand name
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SENTRON
|
|
product designation
|
3KC transfer switching equipment
|
|
design of the product
|
manually operated
|
|
display version for switch b indicator door-coupling rotary operating mechanism
|
I ON- O OFF- II ON
|
|
design of the actuating element
|
Without handle
|
|
design of handle
|
without
|
|
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
|
2
|
|
mechanical service life (operating cycles) for function sequence O-I-O typical
|
15 000
|
|
I2t value
|
|
|
● with closed switch for combination switch + fuse at 500 V maximum
|
135 600 A2·s
|
|
● with closed switch at 690 V for combination switch + gG fuse maximum
|
178 300 A2·s
|
|
● with closed switch at 690 V for combination switch + aM fuse maximum
|
201 200 A2·s
|
|
● of the fuse at 415 V maximum permissible
|
223 005 A2·s
|
|
● of the fuse at 500 V maximum permissible
|
223 005 A2·s
|
|
● of the gG fuse at 690 V maximum permissible
|
226 005 A2·s
|
|
● of the aM fuse at 690 V maximum permissible
|
235 000 A2·s
|
|
● with closed switch for combination switch + fuse at 415 V maximum
|
135 600 A2·s
|
|
b of the switch operating mechanism
|
in center
|
|
overvoltage category
|
III
|
|
degree of pollution
|
3
|
|
insulation voltage
|
|
|
● rated value
|
1 000 V
|
|
Protection class
|
|
protection class IP
|
IP20
|
|
protection class IP
|
|
|
● with closed switch with cover or cable lug cover
|
IP20
|
|
● on the front
|
IP20
|
|
Dissipation
|
|
power loss [W]
|
|
|
● with conventional rated thermal current per device
|
12 W
|
|
Main circuit
|
|
operating power
|
|
|
● at AC-23 A at 400 V at 50/60 Hz rated value
|
55 kW
|
|
● at AC-23 A at 500 V rated value
|
55 kW
|
|
operational current rated value
|
100 A
|
|
Auxiliary circuit
|
|
number of connected NC contacts for auxiliary contacts
|
0
|
|
number of connected NO contacts for auxiliary contacts
|
0
|
|
number of connected CO contacts for auxiliary contacts
|
0
|
|
number of CO contacts for auxiliary contacts
|
8
|
|
number of NC contacts for auxiliary contacts
|
0
|
|
number of NO contacts for auxiliary contacts
|
0
|
|
suitability for use main switch
|
Yes
|
|
suitability for use switch disconnector
|
Yes
|
|
suitability for use EMERGENCY OFF switch
|
Yes
|
|
suitability for use safety switch
|
Yes
|
|
suitability for use maintenance/repair switch
|
Yes
|
|
product feature interlock
|
No
|
|
product extension auxiliary switch
|
Yes
|
|
product extension optional motor drive
|
No
|
|
product extension optional voltage trigger
|
No
|
|
Short circuit
|
|
short-circuit current making capacity (Icm) for switch disconnector
|
|
|
● at 415 V AC without fuse b according to IEC 60947-6-1 rated value minimum
|
17 kA
|
|
● at 690 V AC without fuse b according to IEC 60947-3 rated value minimum
|
12 kA
|
|
conditional short-circuit current with line-side fuse protection
|
|
|
● at 415 V by gG fuse according to IEC 60947-6-1 rated value
|
100 kA
|
|
● at 415 V by gG fuse rated value
|
100 kA
|
|
● at 500 V by gG fuse according to IEC 60947-3 rated value
|
100 kA
|
|
● at 690 V by gG fuse according to IEC 60947-3 rated value
|
65 kA
|
|
Connections
|
|
type of connectable conductor cross-sections with flexible busbar
|
3x (0.8x14 mm2)
|
|
type of connectable conductor cross-sections
|
|
|
● for copper busbar
|
1x (3x14 mm2)
|
|
type of connectable conductor cross-sections for copper conductor
|
|
|
● solid
|
1x (2.5 ... 16 mm2)
|
|
● finely stranded with core end processing
|
1x (2.5 ... 70 mm2)
|
|
● stranded
|
1x(10...70 mm2)
|
|
type of electrical connection
|
|
|
● for main current circuit
|
box terminal
|
|
Mechanical Design
|
|
height
|
126 mm
|
|
b
|
309.6 mm
|
|
depth
|
84.5 mm
|
|
fastening b
|
Screw fixing and standard rail mounting 35 mm
|
|
fastening b
|
|
|
● 4-hole front mounting
|
No
|
|
● front mounting with central attachment
|
No
|
|
● rail mounting
|
Yes
|
|
mounting b
|
any
|
|
Net Weight
|
2.796 kg
|
|
Environmental conditions
|
|
ambient temperature during operation
|
|
|
● minimum
|
-25 °C
|
|
● maximum
|
70 °C
|
