LV Surge Arrester:
LV Surge Arrester Type PMS
Gunkul Engineering Public Co., Ltd
1038 -1046 Nakornchaisri Rd., Nakornchaisri, Dusit, Bangkok 10300, Thailand.
Tel (662) 242 5800 (Auto) Fax (662) 242 5818-9, 242 5832-3
Email: gk_eng@gunkul.com
LV SURGE ARRESTER TYPE PMS
APPLICATION
Surge arresters are deployed in all kinds of industry, worldwide:
Utilities : electricity, water, telephone production and distribution
Companies : electrical construction contractor, high rise building
Laboratories : testing services
FEATURE
The GK surge arrester is to protect A.C. voltage networks against lightning and switching over-voltages
installed at low voltage equipments by limiting over-voltage to being a harmless value for the protected
equipment. The arrester is parallel connected with the protected equipment polymeric housing for all
weather condition.
PRODUCT DETAIL
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Rated voltage 480 VAC
Maximum continuous operating voltage 480 VAC
Rated frequency 50 Hz
Nominal discharge current, 8/20 us waveshape 5 kA
Maximum discharge current, 8/20 us waveshape 10 kA
Dielectric withstand, 1-minute 3.3 kV
Maximum residual voltage, at nominal discharge current 2 kV
Classification to IEC 61643-1 class II.
Tested according to new international standard IEC 61643-1, Surge protective devices connected
to low-voltage power distribution systems.
Gapless arrester consists of metal oxide varistor.
Equipped with disconnecting device and show clearly disconnection status.
Gunkul Engineering Public Co., Ltd
1038 -1046 Nakornchaisri Rd., Nakornchaisri, Dusit, Bangkok 10300, Thailand.
Tel (662) 242 5800 (Auto) Fax (662) 242 5818-9, 242 5832-3
Email: gk_eng@gunkul.com