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310_729_002_1214.fm Seite 10 Dienstag, 9. Dezember 2014 11:31 11
5
Safety instructions
• "The appliance is exclusively intended for the designated use described in
article 2 "Function". Other applications are prohibited, as inappropriate use
can result in dangerous situations.
• National safety and accident and assembly regulations must be observed.
• In case of equipment failure, additional safety precautions should be taken
to avoid possible danger to persons or damage to property.
• Wiring must be carried out by a qualified electrician. Adhere to relevant
regulations!
• The connection to external supply lines must be carried out using a
screwed cable gland (M20 x 1.5) in the terminal box under the cover (see
drawings from page 22). Install a fixed connection cable if an unprotected
or flexible cable is used.
• Turn off the power supply and take steps to ensure against further acciden-
tal use:
OFF
- Before connection.
- In the event of damage
• Only operate the appliance when completely assembled and undam-
aged. Do not drill into or interfere with the explosion-proof housing in any
way.
• Damage can invalidate the type of protection, i.e. the explosion protec-
tion.
• Observe the nominal voltage.
• The length of the air gap for the potential transmission of the igniting flame
is greater than that required by EN 60079. Information on the dimensions
NENNSPANNUNG
NOMINAL VOLTAGE
can be obtained from the manufacturer.
TENSION NOMINALE
• 785: Observe the waiting times indicated of 5 minutes before you open the
housing.
• 785: When replacing the halogen bulbs only use bulbs with a power con-
sumption of 20 W.
• "With feed-through wiring the current fed through the terminal must be lim-
ited to 10 A, see chart 6.4, "Electrical Data" on page 11.
6
Technical specifications
6.1
Technical specifications
Material
Total dimensions
Weight
Protection class
Temperature range
Explosion protection
Temperature range
Protection type
10
Housing: AIMgSi1 DIN1725 T1 saltwater-proof,
powder-coated / dome: glass
Accessories: stainless VA-steel
Ø 140 mm x H 215 mm
2900 g
I
-50 °C ... +50 °C
728 x00 55, 729:
728 x00 68:
-40 °C ... +50 °C
-40 °C ... +40 °C
100 %
785:
-30 °C ... +50 °C
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