Eleco PLC, Hoddesdon, England, hired Britannia Asset Management, Dresdner RCM Global Investors and Swiss Life (UK) to manage the pension funds assets, said Pat Leggett, pension fund manager. Merrill Lynch Mercury Asset Management, which had managed the entire fund, was terminated. The fund is believed to worth about £10 million ($16 million). Eleco officials declined to provide any additional details. In addition, the company hired Punter Southall as consultant, replacing Abbey National Benefit Consultants.