Product Brochure

41
Capacity: 320 ampere continuous, 400 ampere maximum, when wired to National Electrical Code ampacity; 600 volts.
Application: HQ-4D/SW: 1 phase, 3 wire; HQ-5D/SW: 1, 2 or 3 phase, 3 wire grounded or ungrounded: HQ-7D/SW: 3 phase, 4 wire wye or delta.
Enclosures: Constructed of 14 gauge galvannealed steel with polyester powder finish. All boxes have a ringless cover.
All enclosures are NEMA type 3R.
Bypass: Lever-operated jaw release. Moving lever up closes bypass and unclamps meter blades. Meter blade to jaw terminal arcing is
eliminated. The cover cannot be replaced with lever in bypassed position. Bypass capacity: 320 ampere continuous.
Terminals: 3/8” or 1/2” cold-headed zinc-plated steel studs with nuts and captive Belleville washers to accommodate various pressure type
lugs. Supplied without lugs unless otherwise indicated.
Lugs: Connection lugs are available for use with these mounting devices.
UL: HQ-4D/SW, HQ-5D/SW and HQ-7D/SW mounting devices are listed by UL for use on underground feed services with loads up to
320 amps continuous, 600 volts a.c. Units supplied with hubs are not UL labeled..
Safety Shield: Track resistant transparent polycarbonate insulating safety shield and insulating barriers provides protection from accidental
shorts and shocks.
Anti-Inversion An optional wire-type jaw insert (#H59676) can be used with HQ-4S to prevent inverted installation of Talon Class 320
Insert: single phase meters. The insert rejects normal width terminal blades, yet admits the Talon Class 320 narrower upper
right-hand blade. The insert is field-installable but cannot be removed in the field.
GENERAL INFORMATION:
CONNECTIONS:
HQ-4D/SW
HQ-5D/SW
HQ-7D/SW
Product Schedule 437