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SurgeFree™
MODEL
300LS
Service Entrance Protection
The 300LS Series offers robust protection at the entrance of large, Cat. C facilities. The 300LS has an Ipeak of 300,000A/phase (8 x 20microsecond waveform). Seven times redundant protection paths/phase ensures continuous protection, even in an unlikely fault situation. Ten-year, no-nonsense warranty; FREE protection modules for LIFE. Series features mix and match options for a customized protector at stock prices. (See below for options.) SEE SPECIFICATIONS
FEATURES
300LS: I peak=300,000A/Phase (8 x 20µs waveform)	Filter Attenuation MIL STD 220A (50 Ohm):   120VAC 220VAC 240VAC 277VAC 347VAC 480VAC -30db 25kHz 25kHz 25kHz 50kHz 50kHz 50kHz -40db 125kHz 180kHz 180kHz 100kHz 100kHz 100kHz -50db 210kHz 210kHz 210kHz 180kHz 170kHz 170kHz -60db 250kHz 250kHz 250kHz 200kHz 190kHz 190kHz
Meets UL1449 2nd Ed - 1996, NEMA LS1-1992
Seven times redundant protection paths per phase
Employs new 40kA varistors with built in high speed thermal disconnect
Solid copper bus bar construction
Field-replaceable modules
EMI/RFI noise filtering
Continuously  monitored protection circuits
Internal and external status indicators
NEMA 4 enclosure
10-year warranty on unit, lifetime warranty on protection modules
Surge Current/Phase (8/20µs):	1 Event - 300kA.
Surge Life/Phase (8/20µs):	10,000 Events: 13kA.
Status Indicators:	LED Status Indicators (internal & external)
Modes of Protection:	L-N, L-G, L-L, N-G
Operating Altitude:	13,000ft. (4000m)
Temp. (Operating/Storage):	-40° to +70°C/-40° to +85°C
Enclosure:	NEMA 4, 14 gauge steel
Dimensions:	17" x 15" x 6" (432 x 381 x 153mm)
Mounting:	17.75" x 13"/.313"ID - 4 holes (451 x 330mm/7.9mm ID) -4 holes
Weight:	35 lbs. (16.7kg)
300LS Specifications
Mix & Match!
Options Available: •Internal Disconnect •NEMA 4X Enclosure •Low Impedance Micro-Z cable •Upgradeable Diagnostics: Surge Event Counter, Beeper, & Status Relay (1 Form C Contacts)