A7.8 – Square D Thermal Overload Heater Unit 4.8 to 5.44A Class 20 Trip Plug-In Mount

A7.8

A7.8 is a Square D thermal overload heater unit designed for motor control applications, providing reliable protection against motor overcurrents. This unit features a plug-in mounting design and is compatible with a range of Square D motor starters and overload relays. The A7.8 thermal overload heater is engineered for use in motor control circuits, offering Class 20 standard trip protection. It utilizes a melting alloy sensing method to detect overcurrent conditions and automatically trips the circuit to prevent motor damage. The unit is designed for easy installation and replacement in existing systems.

• Part Number: A7.8
• Manufacturer: Square D
• Series: A7
• Full Load Amps: 4.8 to 5.44A
• Mounting Type: Plug-In
• Motor Tripping Class: 20
• Trip Type: Standard Trip
• Sensing Method: Melting Alloy
• Maximum Voltage: 600 VAC
• Application: Motor Control, Overload Relays, Magnetic Starters

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Specifications

• Part Number: A7.8
• Manufacturer : Square D
• Brand : Square D
• Category : Motor Control
• Item Subcategory : Overload Relay
• Type : A
• Relay Style : Thermal

Product Data

• Weight : 5