Control device Wilo-EC-L-1x12A-DOL-MT34-WM 2543210

Intelligent pump control – Wilo-EC-L-1x12A-DOL-MT34-WM

This advanced control unit is designed for reliable and efficient operation of submersible pumps. Designed for precise control based on liquid level, it utilizes both analog and digital signals from various sensors. The Wilo-EC-L-1x12A-DOL-MT34-WM is a comprehensive solution for both professional installers and end-users, ensuring optimal system performance and safety.

Functionality and application

The Wilo-EC-L control unit is a microcontroller-based solution that enables level-dependent control of a submersible pump. Thanks to a wide range of inputs and outputs, it can be easily integrated with various monitoring and automation systems. It is intended for use in wastewater drainage systems, water supply systems, and industrial applications requiring precise liquid level control. Direct-on-line starting (DOL) ensures simple installation and operation.

Key features and benefits

• Versatility: Supports various types of sensors – analog (4-20 mA) and digital (float switches), allowing adaptation to specific installation requirements.
• Safety: Built-in overload protection, motor thermal control, and dry-run protection minimize the risk of failure and ensure long-term pump operation.
• Diagnostics: Memory for 10 fault messages with information about the type of fault facilitates quick problem identification and reduces repair time.
• Communication: Remote access via ModBus enables integration with SCADA systems and remote monitoring of device operation.
• Durability: IP54 protection rating guarantees resistance to the ingress of solids and water, allowing operation in harsh environmental conditions.
• Flexibility: Possibility of configuring operating parameters using an intuitive menu based on symbols and a service button.
• “Ex” mode: Possibility of loading default settings for applications in Ex zones (all information in the "Configuration" section must be taken into account).

Technical parameters

The device operates at a supply voltage of 220…400 V and a frequency of 50/60 Hz. The maximum rated current for each pump is 12 A, and the minimum is 1 A. The housing is made of durable PC plastic, providing resistance to mechanical damage and corrosion. Compact dimensions (length 155 mm, width 310 mm, height 230 mm) facilitate mounting even in limited spaces. The weight of the device is approximately 2 kg.