SQUARE D B4.85 Thermal Unit 3.64 to 4.19A

Product Description

The SQUARE D B4.85 thermal unit is designed to replace faulty or outdated thermal units in overload relays. This key component ensures safety by breaking electrical connections when certain temperatures are exceeded, helping to prevent damage to connected devices. The unit utilizes a melting alloy solder material.

• Replaces damaged thermal units in overload relays
• Protects loads from overheating
• Disengages circuit if current surpasses a set limit

Product Highlights

The B4.85 is essential for maintaining operational safety and efficiency in various electrical applications.

Product Information

Standard Information

• Brand: SQUARE D
• MPN: B4.85

Technical Specifications

• Full Load Current: 2.96 to 3.17 A, 3 to 3.42 A, 3.1 to 3.32 A, 3.14 to 3.59 A, 3.16 to 3.55 A, 3.17 to 3.4 A, 3.25 to 3.48 A, 3.26 to 3.5 A, 3.3 to 3.75 A, 3.38 to 3.94 A, 3.54 to 3.8 A, 3.64 to 4.19 A, 3.76 to 4.05 A, 3.76 to 4.27 A
• Trip Class: 20
• NEMA Size: 0; 00; 1; 1P; 2; 6
• Compatible Frame Size: B; S
• Overload Protection Type: Melting Alloy
• Compatible with Grainger Part Numbers: 1H41; 1H411; 1H412; 1H413; 1H414; 1H415; 1H416; 1H417; 2BW14; 2BW2; 2BW21; 2BW22; 2BW23; 2BW25; 2BW31; 2BW35; 2BW7; 2PYD9; 2PYE6; 48P834
• Compatible with Manufacturer Model Numbers: 2510MBA1; 2510MBA2; 2510MBG1; 2510MBG2; 2510MBO1; 2510MBO2; 2510MBW1; 2510MBW11; 2510MBW12; 2510MBW2; 2510MCA1; 2510MCA2; 2510MCA3; 2510MCG1; 2510MCG2; 2510MCG3; 2510MCO3; 2510MCW1; 2510MCW11; 2510MCW13; 9065SEO8
• Series: B
• Motor FLA: 3.64 to 4.19 Amp (1 Thermal Unit), 3.25 to 3.48 Amp (3 Thermal Unit)
• Mounting: Plug-In
• Standard Package: 6
• Trip Type: Class 20, Standard
• Used On: Overload Relay