ABB Thomas & Betts Color-Keyed Copper One-Hole Lug, Bottom Stacking, 400 Flex — Model 58177B
The Color-Keyed 58177B is a tin-plated copper one-hole lug with a standard barrel bottom stacking design for 400 Flex conductors. Bottom stacking allows multiple lugs to share a single bolt, and the peep hole confirms full conductor insertion before crimping. Rated for medium-voltage systems up to 35kV with a 5/8 inch bolt connection.
Key Specifications
- Product Type: Standard Barrel — Bottom Stacking, One-Hole
- Material: Copper
- Finish: Tin Plated
- Wire Size: 400 Flex
- Bolt Size: 5/8 Inch
- Maximum Voltage: 35kV
- Die Code: 80
- Die Color Code: N/A
- End Style: Peep Hole
- Model: 58177B
- UPC: 78621077838
Features
- Bottom stacking tongue allows multiple conductors to terminate at the same bolt point
- Peep hole enables visual inspection of conductor insertion depth before crimping
- Tin plating provides corrosion resistance for reliable long-term connections
- Designed for 400 Flex conductors with heavy-duty 5/8 inch bolt connections
- Rated for medium-voltage systems up to 35kV
Applications
Designed for large conductor terminations in power distribution equipment, switchgear, bus connections, and industrial electrical systems requiring bottom stacking one-hole lugs for 400 Flex copper conductors.


