Personal Protective Equipment; Symbols On The Inverter - SMA SUNNY CENTRAL 500CP-US/CA Maintenance Manual

SMA America, LLC

2.3 Personal Protective Equipment

Always wear the personal protective equipment recommended by SMA America, LLC when working on the inverter. All
clothing should be in accordance with NFPA 70E Section 130.7. Appropriate Insulated gloves for shock protection in
accordance with NFPA 70E Section 130.7(C), rated at least 1000V shall be worn as required.
Any other prescribed protective equipment must also be used. When carrying out work on live parts of the inverter,
protective equipment of at least Hazard Risk Category 2 is required in accordance with NEMA NFPA 70E, Table
130.7(C)(16).
Hazard Risk Category 2 protective equipment required
In accordance to NFPA 70E, an arc flash hazard risk analysis has been performed by SMA, and appropriate Arc
Flash Hazard labels stating the required Personal Protective Equipment (PPE) for exposed, energized interaction with
the equipment, are installed. Hazard Risk Category 2 PPE is the requirement for all routine maintenance, diagnostics,
and commissioning activities as described in the SMA protocols. Areas within the machine also exist that cannot,
under any circumstances, be exposed while energized.
For additional information, please contact the SMA Service Line.

2.4 Symbols on the inverter

Symbol Explanation
DC current
Earth Ground
AC current
On position of the AC Disconnect
Off position of the AC Disconnect
Maintenance Manual SCCP-US-WH-US_en-31
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