... typy XLBM / XUBM 160...1250A / 400...690V. In Line je nová výrobková řada lištových pojistkových odpínačů a pojistkových lišt pro montáž na ploché přípojnice s roztečí 185mm. Jsou určeny pro nožové pojistkové vložky dle DIN 43620, IEC /EN 60269-2-1 a lze s nimi bezpečně spínat a ...
s. The required fuse can be
used with switch fuse OESA 400R_.
From the table for OESA 400R_ maximum ratings seen that
the operational current (380A) well the fuse power dissipation
(34 are lower than the max.
Maximum ratings: Current fuse power dissipation
Fuse Enclosure
Body size ventilated enclosed
OS 32R_
For all 32A 3.m.
See also the operational ratings, the table the next page.
• The cut-off current the fuse actual prospective current should checked. The value must lower
than the value given for the switch fuse, see the table below.5W 32A 3. allowed cut-off current, peak value
(refer single phase fuse tests)
Rated conditional short-circuit current r.
The actual power dissipation the fuse determined:
The ratio between the operational current and the rated current
of the fuse 380 550 0,69.
80 kA, 415V 100 kA, 500V kA, 690V
OS 32R_ 7.PowerLine
Switch fuses for the protection power semiconductors
Technical information
When the Fuse and Switch Fuse are selected, the following shall evaluated:
• The operational current shall lower than the maximum ratings the switch fuse, see the table below.5W
suitable fuse
sizes
OS 160R_
For all 160A 12W 160A 10W
suitable fuse 135A 12W
sizes
OESA 250R_
00 250A 42W 250A 30W
0 (1*) 250A 41W 250A 31W
1 250A 40W 250A 25W
OESA 400R_
1 400A 42W 400A 32W
2 400A 35W 400A 25W
OESA 630R_
1 and 500A 60W 500A 50W
600A 50W 600A 37W
3 500A 50W 450A 37W
600A 37W 600A 27W
OESA 800R_
2 700A 60W 620A 45W
720A 50W 720A 35W
3 680A 55W 610A 42W
720A 46W 720A 30W
Max. ratings.
• The actual power dissipation the fuse the load current shall lower than the maximum
allowed power dissipations given table below.5W 63A 7.
The power dissipation 0,44 77W= W.
ABB Control.5W
suitable fuse
sizes
OS 63R_
For all 63A 7.
From the curve P/Pn=f(I/In) given the fuse manufacturer,
the ratio P/Pn thus determined, and this example 0,44.5 kA
OS 63R_ kA
OS 160R_ kA
OESA 250R_ kA
OESA 400R_ kA
OESA 630R_ kA
OESA 800R_ kA
Example
The fuse required for application size with rated current of
550 and rated power dissipation The operational
current 380 the switch fuse mounted ventilated
enclosure
