ABB Wireless Proximity Switches Planning And Installation Manuallines page 9

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Planning and
Installation Guidelines
V 6
Technical Description
Marking for the
minimum clearance
Top view
Fig. 1.5:
Minimum clearances to primary loops for persons wearing cardiac pacemakers (principle representation)
Short edge of the
primary loop [mm]
1000 - 1200
1200 - 1400
1400 - 1600
1600 - 1800
1800 - 2000
2000 - 2200
2200 - 2400
2400 - 2600
2600 - 2800
2800 - 3000
1
)
Distance for cardiac pacemakers = Minimum clearance from the primary loop area to be
observed by persons wearing cardiac pacemakers.
2
)
This value is also valid for smaller primary loops with two windings.
Wireless Proximity Switches / Issue: 03.2005
Minimum clearance to
the primary loops for
persons wearing cardiac
pacemakers
Long edge of the primary loop (one winding):
1200 – 6000 mm
Current [A]
8.0
10.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
3D representation
Distance for cardiac
1
pacemakers [mm]
)
2
)
800
1000
1300
1400
1600
1700
1900
2100
2300
2500
Planning and Installation Guidelines
9

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