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Model
|
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product brand name
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SENTRON
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product designation
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3KC transfer switching equipment
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|
design of the product
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manually operated
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|
display version for switch b indicator door-coupling rotary operating mechanism
|
I ON- O OFF- II ON
|
|
design of the actuating element
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Without handle
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|
design of handle
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without
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|
type of the driving mechanism
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Front operating mechanism
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|
type of the driving mechanism motor drive
|
No
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|
General technical data
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|
number of poles
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4
|
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type of device
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fixed mounting
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|
size of switch disconnector
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3
|
|
mechanical service life (operating cycles) for function sequence O-I-O typical
|
10 000
|
|
I2t value
|
|
|
● with closed switch for combination switch + fuse at 500 V maximum
|
426 500 A²·s
|
|
● with closed switch at 690 V for combination switch + gG fuse maximum
|
348 000 A²·s
|
|
● of the fuse at 415 V maximum permissible
|
780 005 A²·s
|
|
● of the fuse at 500 V maximum permissible
|
780 005 A²·s
|
|
● of the gG fuse at 690 V maximum permissible
|
525 005 A²·s
|
|
● with closed switch for combination switch + fuse at 415 V maximum
|
426 500 A²·s
|
|
b of the switch operating mechanism
|
at the left end
|
|
overvoltage category
|
IV
|
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degree of pollution
|
3
|
|
insulation voltage
|
|
|
● rated value
|
1 000 V
|
|
Protection class
|
|
protection class IP
|
IP00
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|
protection class IP
|
|
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● with closed switch with cover or cable lug cover
|
IP20
|
|
● on the front
|
IP00
|
|
Dissipation
|
|
power loss [W]
|
|
|
● with conventional rated thermal current per device
|
28 W
|
|
Main circuit
|
|
operating power
|
|
|
● at AC-23 A at 400 V at 50/60 Hz rated value
|
132 kW
|
|
● at AC-23 A at 500 V rated value
|
160 kW
|
|
operational current rated value
|
250 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
|
0
|
|
number of NC contacts for auxiliary contacts
|
12
|
|
number of NO contacts for auxiliary contacts
|
12
|
|
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
|
36 kA
|
|
● at 690 V AC without fuse b according to IEC 60947-3 rated value minimum
|
26 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 for aluminum conductor stranded with lug
|
1x (25 ... 240 mm²), 2x (25 ... 120 mm²)
|
|
type of connectable conductor cross-sections
|
|
|
● with combination of Al conductor+switch
|
250 A / 240 mm²
|
|
● for copper busbar
|
1x (30x10 mm²)
|
|
type of connectable conductor cross-sections for copper conductor
|
|
|
● stranded with lug according to DIN 46234
|
1x (6 ... 240 mm²), 2x (6 ... 150 mm²)
|
|
● stranded with lug according to DIN 46235
|
1x (16 ... 185 mm²), 2x (16 ...150 mm²)
|
|
type of electrical connection
|
|
|
● for main current circuit
|
busbar connection
|
|
Mechanical Design
|
|
height
|
164 mm
|
|
width
|
279 mm
|
|
depth
|
197.2 mm
|
|
fastening b
|
screw fixing
|
|
fastening b
|
|
|
● 4-hole front mounting
|
No
|
|
● front mounting with central attachment
|
No
|
|
● rail mounting
|
No
|
|
Net Weight
|
7.929 kg
|
