Lauritz Knudsen MU1 DOL, Starter - 10 HP | Relay Range 13-21A | 415V AC | with MU Relay

About the Product

The Three Phase Direct-On-Line Starter is a motor control & protection device designed for starting & operating three phase induction motors using full-voltage starting.

It provides a simple & dependable method of motor control by directly connecting the motor to the power supply during startup. This makes it suitable for pumps, compressors, fans, blowers, conveyors, & various industrial applications requiring efficient motor operation & protection.

How the DOL Starter Works

This starter provides direct motor starting & protection functions:

• Connects the motor directly to the power supply

• Applies full line voltage during startup

• Enables rapid motor acceleration

• Supports reliable operation under normal load conditions

• Helps protect the motor from overload-related issues

DOL starters are widely used in applications where motors can safely withstand full-voltage starting current.

Electrical Configuration

• Phase: Three Phase

• Starter Type: Direct-On-Line (DOL) Starter

• Application: Three Phase Motor Control

• Function: Full-Voltage Motor Starting & Protection

• System Compatibility: Low Voltage Three Phase Systems

• Usage: Industrial, Commercial, & Pumping Applications

Construction & Design

The starter is engineered for dependable performance in demanding environments:

• Integrated motor starting & protection components

• Robust enclosure suitable for panel mounting

• Designed for continuous & stable operation

• Optimized internal electrical arrangement

• Suitable for industrial & commercial installations

Safety & Protection

• Protects motors against overload conditions

• Supports safe motor starting operations

• Helps improve motor reliability & service life

• Provides dependable switching performance

• Reduces the risk of equipment downtime

Mounting & Durability

• Suitable for panel mounting installations

• Designed for motor control panels & switchboards

• Durable construction for industrial environments

• Resistant to typical operating conditions

• Designed for long service life

Application Domains

• Industrial motor control systems

• Water pumping applications

• Compressors & air handling systems

• Fans & blowers

• Manufacturing machinery

• Material handling equipment

Key Features

• Three phase direct-on-line starter

• Full-voltage motor starting capability

• Integrated motor protection functionality

• Reliable switching performance

• Suitable for industrial & commercial applications

• Durable construction for long-term operation

• Easy installation & maintenance

Applications

• Water pumping systems

• Industrial machinery

• Air compressors

• Ventilation & blower systems

• Manufacturing plants

• Motor control panels