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SMA Solar Technology AG
Quick Reference Guide
STP50-40-IS-xx-11
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CAUTION
Risk of burns due to hot enclosure parts
The enclosure and the enclosure lid may get hot during operation. The DC load-break switch can
not become hot.
• Do not touch hot surfaces.
• Wait until the inverter has cooled down before touching the enclosure or enclosure lid.
NOTICE
Damage to the enclosure seal in subfreezing conditions
If you open the product when temperatures are below freezing, the enclosure seals can be
damaged. Moisture can penetrate the product then.
• Only open the product if the ambient temperature is not below -5°C.
• If a layer of ice has formed on the enclosure seal when temperatures are below freezing,
remove it prior to opening the product (e.g. by melting the ice with warm air). Observe the
applicable safety regulations.
NOTICE
Damage to the type label due to the use of cleaning agents
• If the inverter is dirty, clean the enclosure, the enclosure lid, the type label and the LEDs with
a damp cloth and clear water only.
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Symbol
Explanation
Danger to life due to electric shock
The product operates at high voltages. Prior to performing any work on
the product, disconnect the product from voltage sources. All work on the
product must be carried out by qualified persons only.
Risk of burns due to hot surfaces
The product can get hot during operation. Avoid contact during opera-
tion. Prior to performing any work on the product, allow the product to
cool down sufficiently.
Observe the documentation
Observe all documentation supplied with the product.
Danger
This symbol indicates that the product must be additionally grounded if
additional grounding or equipotential bonding is required at the installa-
tion site.
ENGLISH
