Fire Rated E closures
Sta dard Fire Rati gsAvaila le on A te h Stainless and GRP rangesIEC331 Fire Test• °C fo hou s follo ed isual i spe tio• The kV i sulatio esista e testBS 3 Fire Test ‐ 3 separate tests. Fi e alo e: Catego C
• Fla e at 9 °C fo hou s, a les po e ed. Fi e ith Wate : Catego W
• Fla e at °C fo i utes the fla e a d ate sp a fo i utes
. Fi e ith Me ha i al sho k: Catego Z• Fla e at 9 °C ith e ha i al sho k applied
at s i te als fo i utes
• Note: All fi e ated e losu es ust e fitted ith e a i te i als
Extre e Fire Resista ce Test• 9kV High Voltage E losu e HVJB oated ith K‐Mass™ fi ep oofi g
• °C fo hou• Tested i a o da e ith HC fi e u e NEK
• U de o ditio s as spe ified i ASTM E Se tio & ASTM E 9 Se tio
• I depe de t test a ied out I te tek a d it essed Wo le
Pa so s
Preparatio for the Test
Fitted ith e a i pilla s, side plates a d phase sepa ato s. Clad ith K‐Mass™
9kV DC applied fo i ute ithout eakdo p io to test
°C for hour
• Re ui ed fu a e te pe atu e ea hed afte i a d se o ds. The test the ega
• A o sta t kVDC oltage as ai tai ed fo the du atio of the test• Leakage as o ito ed th oughout the test • The e as o eakdo
After the Test
So e ooli g do is e ui ed!
Positive Result
• Ma i u e o ded te pe atu e ithi the o as 9°C
• Afte ool do 9kV DC as e‐applied a d the e losu e passed