HV Surge Arresters upto 245 kV

Specifications

Features
Tested in accordance with IEC60099-4 at independent accredited laboratories
Direct moulded housing to prevent ingress of moisture
Low residual voltages
Safe non-shattering short circuit behaviour to higher current levels
Maintenance free
Hydrophobic silicone housing (tracking and erosion resistant)
Excellent cantilever and tensile performance

Technical Information

Type		PCA-I	PAA4
Rated voltage Ur	kV	6-245	6-245
Line discharge class as per IEC60099-4		3	2
Arrester class designation		SM	SL
Rated discharge current 8/20 µs	kA	10	10
High current impulse 4/10µs	kA	100	100
Energy (according to IEC 99-4, 8.5) Line discharge	kJ / kV Ur	7.8	4.5
Repetitive Charge transfer rating (Qrs)	C	2.2	1.2
TOV
1s		1.15x Ur	1.08x Ur
10s		1.10x Ur	1.04x Ur
High current short circuit Pre-failing method	kA	63	40
Mechanical Strength		Outdoor	Outdoor
Safe Long -term load (SLL)	kNm	2	0.5
Safe Long -term load (SSL)	kNm	2.5	0.6

HV Surge Arrester upto 216kV for substation protection from lightening and switching overvoltages. Raychem RPG pioneered the development of polymeric composite housed surge arresters in early 1980’s and since 1986, has a proven service experience across the globe, operating in world’s toughest environments. Raychem RPG surge arresters provide active over-voltage protection, reducing system outages and protecting expensive terminal equipment.

Proven moisture sealing technology .
Non-tracking insulating silicone materials.
Fully integrated single piece and void less design
Safe mode of failure
Conforming to IEC60099-4
Protection to HV networks/equipment from lightning and over-voltages
Optimised for outdoor use to protect HV switchgears, transformers and cable end terminations