详细说明
AT29A-9B2，AT29A-9B3三相电流表，AT29V-9B2，AT29V-9B3三相电压表，AT29W-9B2，AT29W-9B3三相有功功率，无功功率表，AT29AC-9B2，AT29AC-9B3三相综合表，
AT29A-8B2，AT29A-8B3三相电流表，AT29V-8B2，AT29V-8B3三相电压表，AT29W-8B2，AT29W-8B3三相有功功率，无功功率表，AT29AC-8B2，AT29AC-8B3三相综合表，
AT29A-6B2，AT29A-6B3三相电流表，AT29V-6B2，AT29V-6B3三相电压表，AT29W-6B2，AT29W-6B3三相有功功率，无功功率表，AT29AC-6B2，AT29AC-6B3三相综合表，
