Hubbell HBL3W50 Instruction Bulletin

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