English Translation of Title:
Motor Starter and Protector for Water Jet Cutting Machine Parts – Model No. 72155150-Motor-StarterProtect.1244.3-1

Introduction, Application, Features, and Maintenance:

This component is a motor starter with integrated protection designed for water jet cutting systems. It combines contactor-based switching with overload and short-circuit protection to safely start, stop, and protect the electric motor driving the hydraulic pump.

Application:
Used in the electrical control panel of water jet cutting machines to control the main drive motor. Typical installations include starting and stopping the motor, providing thermal overload protection, short-circuit protection, and enabling emergency stop functions for the motor circuit.

Features:

• Integrates motor switching (contactor) and protection (overload relay and short-circuit protection) in a single device.

• Provides reliable motor starting and stopping with manual or automatic reset options.

• Includes thermal overload protection to prevent motor damage from overcurrent conditions.

• Equipped with short-circuit protection for fault current handling.

• May include auxiliary contacts for status indication or remote monitoring.

• Designed for durability and long service life in industrial environments.

Maintenance:

• Regularly inspect the starter-protector for signs of overheating, arcing, or damage.

• Check all electrical connections for tightness and signs of corrosion.

• Verify that the overload protection setting matches the motor’s full load ampere (FLA) rating.

• Test the overload and short-circuit protection functions periodically to ensure proper operation.

• Replace the starter-protector immediately if contacts are pitted, welded, or if protection failure is observed.

• Clean the device and surrounding area to prevent dust accumulation.

• Follow the manufacturer’s recommended maintenance schedule for contact inspection and calibration.