Brand new sealed 2 Pole 2 module RCD with Type B filter Ensures tripping for residual AC currents, pulsating DC currents and smooth DC currents Often used when supplying EV charging points Bidirectional Retail price here https://www.cef.co.uk/catalogue/products/5076379-63a-2-pole-2-module-30ma-type-b-rcd?gclsrc=aw.ds&gad_source=1&gad_campaignid=17622307345&gbraid=0AAAAADOkMAbINLJiV6STze5uzDH3hy9ux&gclid=EAIaIQobChMI4seFrNCgjgMV2JBQBh3xMhA-EAQYASABEgKZ8fD_BwE
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