Origin	Korea
Model Number	SK660
Brand Name	GRIFFIN

ESE (Early Streamer Emission) Lightning rod

Product Details

1. ESE (Early Streamer Emission) Lightning rod

2. United States Patent and South Korea Patent

-  Specificate

GRIFFIN	Fianal Tip	Dimensions	Material	Weight(kg)
SK340	3EA	114mm(Dia), 240mm(H)	Stainless	3.8
SK450	4EA	114mm(Dia), 240mm(H)	Stainless	3.8
SK660	5EA	114mm(Dia), 240mm(H)	Stainless	3.8

-  Protection Area

Rp = √h(2D-h) + ΔL(2D+ΔL) (h >5m)

Rp : radius of protection

h : height of the lighting conductor surface(s) to be protected.

D : 20/45/60m (Depending on the protection level required

ΔL = V*T(V=1m/us T: Discharge time in advance)

-  Radius of protection

Level of protection	1  (D=20m)			2 (D=45m)			3 (D=60m)
Griffin	SK340	SK450	SK660	SK340	SK450	SK660	SK340	SK450	SK660
h(m)	Radius of protection Rp(m)
2	19	27	32	25	34	40	24	38	44
3	28	41	48	38	52	59	42	57	65
4	38	55	64	50	69	78	57	76	87
5	48	68	79	63	86	97	71	95	107
10	49	69	79	66	88	99	75	98	109
15	50	70	80	68	90	101	78	100	111
20	50	70	80	70	92	102	80	102	113
45	50	70	80	75	95	105	88	109	119
60	50	70	80	75	95	105	90	110	120