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3
IO-75066
01/2020
ASCO Model 318
Surge Protective Device (SPD)
Introduction
The
ASCO Model 318
surge protective device is a high quality, high energy
surge current diversion system designed for use with equipment that is
sensitive to damaging transient voltage surges.
The Model 318 is designed to be easily installed in existing AC panelboards
and control panels using standard DIN-rail mounting brackets.
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe
electrical work practices. See NFPA 70E, NOM-029-STPS or CSA Z462.
•
This equipment must only be installed and serviced by qualified electri
-
cal personnel.
•
Turn off all power supplying this equipment before working on or inside
equipment.
•
Always use a properly rated voltage sensing device to confirm power is off.
• Replace all devices, doors and covers before turning on power to this
equipment.
•
This equipment must be effectively grounded per all applicable codes.
Use an equipment-grounding conductor to connect this equipment to the
power system ground.
•
Confirm that the Surge Protective Device voltage rating on the module
or nameplate label is not less than the operating voltage.
• Do not supply more than 125VAC or 3 Amps to contacts
Failure to follow these instructions will result in death or serious injury.
WARNING:
This product can expose you to chemicals including
DINP, which is known to the State of California to cause cancer, and
DIDP which is known to the State of California to cause birth defects
or other reproductive harm. For more information go to: www.
P65Warnings.ca.gov.
NOTICE
LOSS OF SURGE SUPPRESSION
• Make certain that Surge Protective Device is disconnected from the
circuit it is protecting before conducting high potential insulation testing.
Failure to follow these instructions can result in equipment damage.
DANGER
