This terminal block is then only connected to the back on the MCP. Easy and productive without having re-termination essential and no time wasted. It may be configured as both a crack glass or re-settable device by just changing from 1 ingredient to another. The MCP2A/R470FF/01 comes with an LED https://www.firesense.co.uk/type/conventional-fire-system/conventional-manual-call-points/