Safety instructions
6 Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9
2 General instructions
Independently of the safety instructions given in these operating instructions, the local
laws, ordinances, guidelines and standards for operation of electrical equipment as well
as for labor, health and environmental protection apply.
Any kind of modification on the product or alteration of the product must be coordinated
with the manufacturer in advance, as uncoordinated modifications or alterations can
cause the expiration of warranty claims, cause danger to life, limb and other legally
protected interests, and the fulfillment of the type tests (according to IEC 62271-200)
may not be guaranteed anymore.
Five Safety Rules of
Electrical Engineering
The Five Safety Rules of Electrical Engineering must generally be observed during
operation of the products and components described in these operating instructions:
• Isolating.
• Securing against reclosing.
• Verify safe isolation from supply.
• Earthing and short-circuiting.
• Covering or barriering adjacent live parts.
Hazardous materials If hazardous materials are required to perform the work, the relevant safety data sheets
and operating instructions must be observed.
Personal protective
equipment (PPE)
To perform the work, the necessary personal protective equipment (PPE) must be worn.
To protect oneself against exhausting hot gases in case of an internal arc, the national
standards and specifications of the corresponding authorities and professional
associations must absolutely be observed and accomplished while selecting the work
protective equipment.
The protective equipment consists of:
• Protective clothing
•Gloves
• Helmet and face protection
Protective clothing Jacket and overalls made of double-layer material providing a protective effect against
electric arcs (e.g. Nomex® Comfort); if applicable, additional polo shirt made of
the same material.
Underwear only made of cotton or also Nomex®.
Gloves Gloves with gauntlets, the material of which must feature a dielectric strength of 1000 V
as a minimum.
Helmet Helmet in closed design (without ventilation holes), consisting of glass-fiber polyester
resin (not dripping under thermal effects), holding its shape up to 500° Celsius as
a minimum.
Face protection A face vizor made of clear acetate with a minimum thickness of 1.5 mm, protecting
against arc faults.
It should be possible to attach the face vizor to the helmet so that it can be folded.
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