This is a Alternating Current Silicon Oxide Lightning Arrestor for protection of single phase residential and commercial entrance panels. The device is rated for 125/250 VAC applications.  It is a 3 Wire AC, Single Phase with 18" 12 AWG solid conductor leads.  The LA302R is 2.25" in height by 2.25" in diameter.  It's contained in a waterproof enclosure N-4 with a threaded nipple for a 0.5" knockout. Shipping weight is 15 oz.  Made in China

Specifications:

Type of Design  -  Silicon Oxide Varistor

Maximum Number of Surges  -  Unlimited

Response Time One Milliamp Test  -  5 nanoseconds

Response Time to Clamp 10,000 AMPs  -  10 nanoseconds

Response Time to Clamp 50,000 AMPs  -  25 nanoseconds

Maximum Current  -  60,000 AMPs

Maximum Energy  -  2,000 joules per pole

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