LONDON, Sept 14 (Reuters) - British employers added record a 241,000 staff to their payrolls last month, taking the total number of payrolled employees above their level in February 2020, just before Britain first went into COVID-19 lockdown, government figures showed on Tuesday. Separate official data showed the unemployment rate was 4.6% in the three months to July, in line with economists’ expectations in a Reuters poll. (Reporting by David Milliken and Andy Bruce; editing by Michael Holden)