Instruction Bulletin
WARNING
INADEQUATE GROUNDING HAZARD
Do not use on ungrounded systems.
Failure to follow these instructions can result in death or serious injury.
CAUTION
HAZARD OF EQUIPMENT DAMAGE
Megger
®
or hi-potential tests will damage this surge protective
equipment and isolate the surge protective device before testing.
Failure to follow these instructions can result in equipment damage.
PRECAUTIONS
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
· Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices.
See NFPA 70E.
· This equipment must only be installed and serviced by qualified electrical 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.
Failure to follow these instructions will result in death or serious injury.
This equipment must be effectively grou
equipment to the power system ground.
·
nded per all applicable codes. Use an equipment grounding
conductor to connect this
The HBL3W120 and HBL3W50 Surge Protective Devices (SPDs) are designed to provide protection
at service entrance panels, load centers or electronic compartments.
INTRODUCTION
device. Turn off all power supplying the
HuBBell
Surge Protective DeviceS
HBL3W120
HBL3W50
8291-0086A
02/2009
Retain for future use.
