| |+44 (0) 115 927 1721


The WSP230S Wallis mains, single circuit surge protector
Wiring diagram of a WSP230S mains single circuit surge protector

The WSP230S is a class 3 surge arrester that offers a flexible solution to protecting individual pieces of equipment. Perfectly suited to protecting ring mains & individual sockets, switch fuse spurs, lighting, fire alarm panels, CCTV cameras etc.

Its small size means that it can be mounted in confined spaces and the audible alarm will indicate if the arrester needs to be replaced.

The WSP230S will offer up to 10 metres of protection either side of the device it is installed on.

Features and Benefits:

  • Simple to install.
  • A response time (tA) <25 ns.
  • Operating temperature between -25oC – +70oC.
Nominal A.C. Voltage (Un)Max. Continuous Operating A. C. Voltage (Uc)Nominal Discharge Current (8/20 μs) (In)Total Discharge Current (8/20 μs) (L+N-PE) (Itotal)Temporary Overvoltage (L-N) (Ut)Temporary Overvoltage (L/N-PE) (Ut)Temporary Overvoltage (L+N-PE) (Ut)Part Number
Nominal A.C. Voltage (Un)230 VMax. Continuous Operating A. C. Voltage (Uc)250 VNominal Discharge Current (8/20 μs) (In)1.5kATotal Discharge Current (8/20 μs) (L+N-PE) (Itotal)3kATemporary Overvoltage (L-N) (Ut)335V/5 secTemporary Overvoltage (L/N-PE) (Ut)400V/5 secTemporary Overvoltage (L+N-PE) (Ut)1200V + Ucs / 200msPart NumberWSP230S


Get In Touch

Business Type:

Interested In:

Earthing Products
Lightning Protection Products
Exothermic Welding Products
Surge Protection Products
Earthing Design Services
Lightning Protection Design Services
Installation Services

Get In Touch