Safety Instructions; Technical Specifications - werma 728 55 Série Mode D'emploi

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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, accident prevention 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:
- Before connection.
- In the event of damage
OFF
• 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
• "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 10.
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Technical specifications

6.1 Technical specifications
Material
Total dimensions
Weight
Protection class
Temperature range
Explosion protection
Temperature range
Protection type
Protection type
Installation position
Connection L1, N
Housing: AIMgSi1 DIN573-3 saltwater-proof,
powder-coated / dome: glass
Accessories: stainless VA-steel
Ø 140 mm x H 215 mm
2900 g
I
-40 °C ... +50 °C
-50 °C ... +50 °C with accessories cable gland 975.729.04
728 x00 55, 729:
-40 °C ... +50 °C
100 %
IP 66, according to IEC 60529 and EN/IEC 60079-31
as required
0.5 ... 2.5 mm² single, fine and multi-wire
(stripped length 8-9 mm)
728 x00 68:
-40 °C ... +40 °C
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