Mueller BU-139 Ground Clamps

Ground Clamps BU-139 | Protective Ground Clamps
Mueller BU-139
Contact Thorne & Derrick Sales for technical support, commercial quotation or to place an order for Mueller BU-139 type ground clamps.
- Product Category – Ground & Grounding Clamps
- Manufacturer Mueller
- Clamp BU-139
- ASTM F855 Type 1 Design C
- 1.5″ “C” Clamp
- ASTM Grade / Class: 2 / B
- Serrated Jaws
- For use on cables: 0.16″ to 1.5″
- Continuous Current Rating: 400 RMS AMPS, 60 Hz
- Uses Grounding wire up to 1/0 (AW80091)
- Accepts M16 x 1.75 Threaded Ferrules
- Ground Clamp Weight: 873.4 g
- View complete range of Ground | Grounding Clamps
âž¡ Mueller are leading manufacturers of Ground Clamps and Protective Grounding Cable Sets, also referred to as Portable Earthing Kits.

Mueller BU-139
- Clamp Form C-Clamp
- Clamp Material Aluminium
- Wire Attachment Ferrule
Mueller BU-139-F Grounding Ferrule
Grounding ferrules are used to create a low resistance connection through compressing the cable strands to the threaded stud that screws into the tapped boss on the clamp.
- Use on aluminum body clamps
Mueller BU-139- F
- Unshrouded
- Nut and Lock washer is included as it increases contact pressure
- Manufactured with a M16 x 1.75 x 35mm threaded stud
- ASTM Grade 2
- Size: 1/0
- Burndy Die Number: U243
- Weight: 0.1 lbs
- Rating F855
- Wire Attachment Crimp
- Wire Awg 1/0

View the complete range of Grounding Clamps manufactured by Mueller.