Square D B79.0 Thermal Unit 480V 35.5-38.2 A (Class 20)

Product Description

The Square D B79.0 is a melting-alloy thermal unit designed for overload protection in motor controls and overload relays. The unit provides Class 20 characteristics and will trip in 20 seconds or less under overload conditions. It features a one-piece construction with an internal heater winding and a melting alloy actuator that opens control and motor contacts on overload, and is rated for 480 V with a 35.5 to 38.2 A trip range.

• Class 20 trip characteristic, will trip in 20 seconds or less on overloads
• Melting alloy (special solder) actuator with one-piece construction and internal heater winding
• Rated for 480 V with a trip/current range of 35.5–38.2 A; plug-on mounting for use with overload relays and motor starters

Product Highlights

Melting-alloy thermal overload unit, Class 20 trip, 480 V rated, 35.5–38.2 A trip range, plug-on mounting for motor starter protection

Product Information

Standard Information

• Brand: SQUARE D
• Manufacturer Part Number: B79.0
• Country of Origin: Mexico

Technical Specifications

• Brand: Square D
• Manufacturer: Square-D / Schneider Electric
• MPN: B79.0
• Product Type: Melting alloy thermal unit
• Trip Class: 20
• Trip Characteristic: Will trip in 20 seconds or less on overload (Class 20)
• Trip/Current Range: 35.5-38.2 A
• Rated Voltage: 480 V
• Maximum Voltage: 600 V
• Mounting Type: Plug-on
• Protection Type: Melting alloy (one-time trip)
• Compatibility: Thermal overload relays, magnetic motor starters and motor controls
• Standards: NEMA
• NEMA Size: 2
• Construction: One-piece with internal heater winding
• Operating Temperature / Temperature Rating: 104 deg F
• Dimensions: 1.88 x 0.69 in
• Weight: 86 g
• Certifications: CE
• Country of Origin: Mexico
• UPC: 785901587668
• GTIN: 00785901587668
• Product Highlights: Melting-alloy thermal overload unit, Class 20 trip, 480 V rated, 35.5–38.2 A trip range, plug-on mounting for motor starter protection