This SIEMENS 6ES7870-1AA01-0YA0CP341 Modbus master station module is specially designed for industrial automation control system, supports Modbus RTU communication protocol, and is suitable for various industrial environments. It can achieve efficient data transmission and control, and is widely used in factory automation, building automation and energy management.

Technical Data Parameter Specification Product Series DILM (Line Contactors) Product Type AC Power Contactor Rated Operational Current (Ie) 250 A at AC-1, 400V Rated Operational Voltage (Ue) Up to 690 V AC Control Coil Voltage 220-240 V AC, 50/60 Hz Power Consumption Approx. 110 VA (Pick-up) / 18 VA (Holding) Typical values, confirm with datasheet Poles 4 Poles (3 main poles + 1 S-pole) Auxiliary Contacts Integrated: 2 NO + 2 NC (as specified by /22) Rated Power 132 kW (175 HP) at 400V, AC-3 duty (for 3-pole motor switching) Utilization Category AC-1: Non-inductive or slightly inductive loads. AC-3: Squirrel-cage motors: Starting, switching off during running. Electrical Life > 1.0 million operations (AC-3) Mechanical Life > 10 million operations Terminal Connection Screw clamp Mounting Fixed Mounting (typically via base plate) Standards IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14

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