Product Brochure

17
www.leviton.com/industrial
37000 and 47000 Series for
Commercial and Industrial Applications
n Protection for up to 100,000 amps (37000 Series)
or 200,000 amps (47000 Series) of surge current
per mode
n Models available in NEMA Type 1 enclosures for indoor
applications and Type 4X enclosures (47000 series only)
for outdoor applications
n Seven-Mode Protection (each phase to neutral, each
phase to ground and neutral to ground)
n Real-time diagnostics monitor power and suppression
status for each phase and provide both LED indicators
and audible alarm
n Equipped with dry contacts for remote monitoring
n Limited lifetime product warranty
Leviton’s 37000 and 47000 Series panel
mounted surge protective devices provide
seven-mode protection in WYE-configured,
3-phase AC systems. These devices are
designed for installation at the service
entrance, at branch panels, or as dedicated
transient surge protection for critical
equipment.
Ordering Information
Catalog Number Description Voltage (V AC) Configuration Max Surge Current, Per Mode (Per Phase)
37120-7 7-Mode Surge Protection Panel 120/208 3Ø WYE, 4-wire + gnd 100kA (200kA)
37277-7 7-Mode Surge Protection Panel 277/480 3Ø WYE, 4-wire + gnd 100kA (200kA)
47120-7 7-Mode Surge Protection Panel 120/208 3Ø WYE, 4-wire + gnd 200kA (400kA)
47120-4X7
7-Mode Surge Protection Panel
in Type 4X enclosure
120/208 3Ø WYE, 4-wire + gnd 200kA (400kA)
47277-7 7-Mode Surge Protection Panel 277/480 3Ø WYE, 4-wire + gnd 200kA (400kA)
47277-4X7
7-Mode Surge Protection Panel
in Type 4X enclosure
277/480 3Ø WYE, 4-wire + gnd 200kA (400kA)
37120-7
47277-7
Type 2 Non-Modular Surge Protective Devices