Leviton Surge 52277-B3 Suppressor Protector Modular Panel Unit 3�Y 277/480V

Leviton 52277-B3 surge protection unit. Special modular enclosure-less design for installation in a custom panel. Rated 277/480VAC, 3-phase WYE. Features include:

• For installation at branch panels for protection of industrial & commercial facilities
• Hybrid suppression circuitry
• Clamping envelope tracks contour of the AC sine wave
• Modular design allows easy replacement of modules without use of tools or the need to shut down the AC system
• Real-time diagnostics monitor power & suppression status for each phase & allow use of optional Remote Supervisor (52000-RS)
• Dry contacts for remote monitoring
• Provides Normal Mode (phase to neutral) and Common Mode (neutral to ground) protection for WYE-configured 3-phase AC systems
• "Series Connection" (Kelvin/feed-through) rated for 100 Amps maximum continuous line current using #3 AWC conductors
• Fuse protection for each module

Specifications:

• Max surge current (test w/8x20?s wave): 100KA (L-N)
• Noise rejection: -20 to -40 dB (@5K-10MHz)
• MCOV (maximum continuous operating voltage): 320VAC
• UL 1449 (2nd Ed) Impulse(6kV/500A): 800 (L-N); 1800 (L-G); 800 (N-G); 1800 (L-L)