If the switch doesn't say you could always replace it with something that you do have the specs for, maybe https://cpc.farnell.com/pro-elec/200/in-line-switch-2a-white/dp/PL10018
Hadn't considered replacing the switch too, good shout.
Thanks.
@DethBeard started
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If the switch doesn't say you could always replace it with something that you do have the specs for, maybe https://cpc.farnell.com/pro-elec/200/in-line-switch-2a-white/dp/PL10018