Authorized NSI Industries Distributor
NSI Industries L250NP - CU CMP Lug Long 3/0 AWG 3/8 Bolt Size
NSI Industries

L250NP

UPC: 662381035240


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Technical Bulletin

Contact for Pricing

Overview

The NSI Industries L250NP is a long-barrel, one-hole copper compression lug (SKU: L250NP) designed for terminating 3/0 AWG copper conductors in industrial and commercial electrical systems. Made from high-conductivity copper tubing and tin-plated for corrosion resistance, this UL486A and UL467 listed lug supports 600V applications (2000V max per UL486B). The 3/8" bolt size ensures secure mounting, while the "P" designation indicates a sight inspection hole for verifying complete cable insertion. Compatible with Class B or C building wire (copper only), the L250NP meets NEC ampacity requirements and is suitable for grounding and bonding applications up to 35kV when installed per manufacturer instructions. Color-coded and die-indexed for easy identification, this lug delivers durable performance in high-current environments.
  • UL486A and UL467 listed for grounding and bonding
  • Tin-plated copper for corrosion resistance and low contact resistance
  • 3/8" bolt size for secure mounting
  • Inspection hole for verifying cable insertion
  • Suitable for 3/0 AWG copper conductors (Class B or C building wire only)

Specifications

Color
Copper
Connection Type
Compression Lug
Current Rating
35 kA
Finish
Tin Plated
Material
Copper
Material
Copper, Tin-Plated
Mounting Type
Bolt
Mounting Type
3/8" Bolt
Series
L250NP
Size
3/0 AWG
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
4.9 IN x 1 IN x 0.75 IN
Package Weight (Imperial)
0.230 L
Package Weight (Metric)
0.104 kg
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OD581

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Ratchet Drive Crimping Tool APPLICATIONS: Ratchet Drive Crimping Tool is for non-insulated terminals from 6 to 1/0 AWG and insulated terminals from 22 to 8 AWG. Rugged, compact, and lightweight. Requires minimum effort due to ratchet action, ensuring an excellent crimp every time. FEATURES: TYPE: Insulated and Uninsulated ACTION: Ratchet INSULATED USE: Terminals 22 to 8 AWG NON-INSULATED USE: Terminals 6 to 1/0 AWG MANUFACTURER: NSi Industries PART NUMBER: RDC 1/0 UPC: 662381055309
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CD6A

U-Type Compression Die - Pink 1/0 AWG Copper - 2 AWG Aluminum U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.
U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.

CD7

U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.
Non-Insulated Parallel Splice Connector For Wire Range #4 AWG, Circular Mil Range 33,100-52,600, Length 0.531 Diameter 0.41, Nickel Plated

F4-PS-W-NP

Non-Insulated Parallel Splice Connector For Wire Range #4 AWG, Circular Mil Range 33,100-52,600, Length 0.531 Diameter 0.41, Nickel Plated
Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.

AS-K1-H6

Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.
PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray

A1212SC-G

PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray
Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray

E989NNJ-5-HD

Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705030R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

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