WESTINGHOUSE MW-21-OVERLOAD RELAY

Description:

The Westinghouse MW-21 Overload Relay is used in industrial motor control and overload protection systems. Commonly installed in motor starters, manufacturing equipment, conveyor systems, and motor control centers. Maintenance teams and system integrators use this overload relay for replacement, retrofit projects, preventive maintenance, and motor protection system upgrades.

Applications:

The Westinghouse MW-21 overload relay is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable motor overload protection and dependable thermal trip performance are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: MW-21
• Product Type: Overload Relay
• Protection Type: Thermal Overload Protection
• Application: Motor Overload and Phase Protection
• Mounting Type: Contactor Mounted / Panel Mount
• Relay Type: Industrial Thermal Overload Relay
• Frequency Rating: 50/60 Hz
• Phase Compatibility: Three Phase Systems
• Reset Type: Manual and Automatic Reset Compatible
• Adjustable Trip Setting: Yes
• Industrial Duty Rated: Yes
• Compatible Installations: Motor Starters and Motor Control Centers
• Terminal Type: Screw Terminal Connections
• Operating Function: Motor Overload Protection
• Typical Use: Industrial Motor Protection Applications

Common Replacements:

• Eaton C306DN3
• Allen-Bradley 193-T1
• Square D Class 9065 Overload Relay