Siemens 7ML50331CA102A Ultrasonic Level Controller

Siemens MultiRanger 100/200 Ultrasonic Level Controller, model 7ML50331CA102A, is a dual‑point, non‑contact monitor in a panel‑mount enclosure that continuously tracks level in liquids and bulk materials. It operates on 100 to 230 VAC and draws up to 36 VA, with a measurement range up to 15 m (50 ft) to cover a wide variety of tanks and open channels. This CA‑series panel‑mount variant provides six relays (4 Form A, 2 Form C) rated to 250 V AC, enabling versatile control strategies such as pump interlocks, alarms, and level dosing from a single device. In the MultiRanger 100/200 family, the 100 class focuses on level measurement, while the 200 class adds volume, flow (open‑channel), and differential measurements when configured for those functions; the dual‑point design supports monitoring two vessels or two points within a system. Approvals for the family span CE, UKCA, FM, UL Listed, CSA US/Canada, RCM, EAC, and KC, aligning with typical industrial safety and compliance requirements. With its compact hardware footprint and dual‑point capability, this model is suited for process environments such as water and wastewater, chemical handling, and general tank and open‑channel applications where non‑contact, reliable level data and integrated control are essential.