This terminal block is then just connected to the back again from the MCP. Very simple and powerful with no re-termination essential and no time squandered. It can be configured as both a crack glass or re-settable device by simply shifting from a person component to a different. The MCP2A/R470FF/01 https://www.firesense.co.uk/type/conventional-fire-system/conventional-manual-call-points/