Telephony Protector RJ11

The SP365A-R2 is designed for dial up telephone line use only, to protect modems, fax machines, etc.. It has (2) RJ-45 sockets one for the line connection and one for the equipment connection. The equipment side has an RJ-11 4-wire pigtail plugged into it. There is also a 25cm green ground wire on the equipment side.
Only the center 2 pins of the RJ-45 are protected. Peak pulse current is 250A.

Interfaces
Connectors: (2) RJ-45 F; (1) RJ-11 Pigtail, 7.5-cm; (1) grounding lead with spade lug
Engine
Protected Leads: (2) center contacts (tip et ring)
Clamping Voltagei: 240 V
Response Time: < 10 ns
Physical specifications
Dimensions (H x L x P): 38 x 91 x 23 mm
Housing: plastic