124 FEP630, FEH630 ELECTROMAGNETIC FLOWMETER | OI/FEP630/FEH630-EN REV. D
… 11 Repair
Spare parts
Repair and maintenance activities may only be performed by
authorized customer service personnel.
When replacing or repairing individual components, use original
spare parts.
Note
Spare parts can be ordered from ABB Service.
www.abb.com/contacts
Replacing the fuse
NOTICE
If the O-ring gasket is seated incorrectly or damaged, this
may have an adverse effect on the housing protection class.
Follow the instructions in Opening and closing the housing
on page 23 to open and close the housing safely.
G11780-01
1
1 Fuse holder
Figure 77: Fuse holder position
There is a fuse in the transmitter housing.
Power supply
transmitter
11 to 30 V DC 100 to 240 V AC
Rated current of fuse 1.25 A 0.8
Nominal voltage of fuse
250 V AC 250 V AC
Design Device fuse 5 x 20 mm
Breaking capacity 1500 A at 250 V AC
Ordering number 3KQR000757U0100 3KQR000757U0200
Perform the following steps to replace the fuse:
1. Switch off the power supply.
2. Open the transmitter housing.
3. Pull out the defective fuse and insert a new fuse.
4. Closing the transmitter housing.
5. Switch on the power supply.
6. Check that the device is working correctly.
If the fuse blows again on activation, the device is defective and
must be replaced.
Change from two to one column
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