SUN ELECTRIC CORP <SE> 1ST QTR JAN 31 OPER NET Oper shr profit nine cts vs loss seven cts Oper net profit 628,000 vs loss 491,000 Sales 50.7 mln vs 41.8 mln Avg shrs 7,033,000 vs 6,557,000 Note: Oper net excludes extraordinary profit of 423,000 dlrs, or six cts a shr, and 110,000 dlrs, or one ct a share, respectively, in 1987 and 1986 quarters, from utilization of tax loss carryforwards.