WSPSA1 - Surge Arrester 42kV - G78 Mobile Phone Base Station Equipment

WSPSA1 – Surge Arrester 42kV

The WSPSA1 Surge Arrester 42kV U_r, 33.6kV U_c,Polymeric Surge Arrester features and benefits:

Metal Oxide Arrester (ZnO).
Polymeric Housing.
Outdoor Application.
IEC 60099-4:2014.
Nominal Discharge Current: 10kA.
Designation Class SL.
Charge Current Rate (Qrs): 1.6C (Impulse).
High Current Impulse 4/10 µs: 100kA.
Energy Capability (Wth): 6.7 kJ/kV at Ur (Thermal).
These arresters meet the requirements of ENA G78 Issue 4 for use as SA1 (Suitable for sites with a 50Hz ROP <33kV. Support insulators must have an impulse withstand voltage of >133kV. See ENA Engineering recommendation G78, Issue 4, § 4.4.8.1 for details).

Rated Voltage (Ur)	Continuous Operating Voltage (Uc)	TOV Capability (With prior energy), 1s (Tc)	TOV Capability (With prior energy), 10s (Tc)	Rated Short Circuit Current	Dry Impulse Voltage, 1,2/50 µs	Wet Power Frequency Voltage	Flashover Distance	Creepage Length	Minimum Distance Between Phase Centres	Minimum Distance Between Phase to Earth	Height	Part Number
Rated Voltage (Ur)42 kV	Continuous Operating Voltage (Uc)33.6 kV	TOV Capability (With prior energy), 1s (Tc)47.8 kV	TOV Capability (With prior energy), 10s (Tc)45.7 kV	Rated Short Circuit Current65 kA	Dry Impulse Voltage, 1,2/50 µs321 kV	Wet Power Frequency Voltage122 kV	Flashover Distance461mm	Creepage Length1340mm	Minimum Distance Between Phase Centres348mm	Minimum Distance Between Phase to Earth270mm	Height449mm	Part NumberWSPSA1	Quantity

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