Authorized NSI Industries Distributor
NSI Industries 250SR - Aluminum Splicer Reducer 250 MCM - 6 AWG Aluminum Splicer Reducers are used for splicing two copper or aluminum wires of equal or different sizes. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C.
NSI Industries

250SR

UPC: 662381002334


Documents & Media
BrochureTechnical Bulletin

Contact for Pricing

Overview

The NSI Industries 250SR Aluminum Splicer Reducer (SKU: 250SR) is a high-performance, UL 486A/B listed connector designed for splicing two copper or aluminum wires of equal or different sizes, ranging from 250 MCM to 6 AWG. Engineered from 6061T-6 aluminum alloy and electro-tin plated for low contact resistance, this splicer ensures reliable electrical connections with minimal resistance. The 250SR is dual-rated for both copper and aluminum conductors, making it a versatile solution for industrial, commercial, and utility applications. With a voltage rating of 600V (2000V max per UL486B) and a temperature rating of 90°C, this connector meets the demands of high-current applications while maintaining compliance with safety standards. The connector features a hex wrench size of 5/16 inches and a maximum torque value of 330 in-lbs, ensuring secure and durable connections. Its compact design (4.094 inches in length, 0.812 inches in width, and 1.000 inches in height) allows for efficient installation in tight spaces. The 250SR is part of NSI Industries' SR Series, which is trusted by professionals for its reliability and performance in splicing and reducing wire sizes. Ideal for maintenance, repair, and new installations, this splicer reduces inventory needs by accommodating a wide range of wire sizes, minimizing the need for multiple connector types.
  • Dual-rated for copper and aluminum conductors (250 MCM to 6 AWG)
  • Made of 6061T-6 aluminum alloy with electro-tin plating for low contact resistance
  • UL 486A/B listed, rated 600V (2000V max per UL486B), temperature rating 90°C
  • Hex wrench size: 5/16 inches, maximum torque: 330 in-lbs
  • Compact dimensions: 4.094" L x 0.812" W x 1.000" H

Specifications

Warranty
1 Year
Package Dimensions (L x W x H)
4.094 IN x 0.812 IN x 1 IN
Package Dimensions (L x W x H)
10.3988 cm x 20.6248 mm x 25.4 mm
Package Weight (Imperial)
2.600 L
Package Weight (Metric)
1.179 kg
1 Port Aluminum Lug 1/0-14 AWG Aluminum Single Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Temperature Rating 90 degrees C. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. .

0T

1 Port Aluminum Lug 1/0-14 AWG Aluminum Single Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Temperature Rating 90 degrees C. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. .
Aluminum Splicer Reducer 4/0-6 AWG Aluminum Splicer Reducers are used for splicing two copper or aluminum wires of equal or different sizes. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C.

4/0SR

Aluminum Splicer Reducer 4/0-6 AWG Aluminum Splicer Reducers are used for splicing two copper or aluminum wires of equal or different sizes. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C.
1 Port Panelboard Lug 1000 MCM - 500 MCM Panelboard style for multi-conductor with NEMA mounting hole spacing for turn prevent and secureness. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Rated 600 volts (2000V max per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C. All hole spacing is NEMA standard of 1.750".

1000L2

1 Port Panelboard Lug 1000 MCM - 500 MCM Panelboard style for multi-conductor with NEMA mounting hole spacing for turn prevent and secureness. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Rated 600 volts (2000V max per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C. All hole spacing is NEMA standard of 1.750".
3 Port Panelboard Lug 250 MCM - 6 AWG Panelboard style for multi-conductor with NEMA mounting hole spacing for turn prevent and secureness. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Rated 600 volts (2000V max per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C. All hole spacing is NEMA standard of 1.750".

3-250L2/L4

3 Port Panelboard Lug 250 MCM - 6 AWG Panelboard style for multi-conductor with NEMA mounting hole spacing for turn prevent and secureness. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Rated 600 volts (2000V max per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C. All hole spacing is NEMA standard of 1.750".
350 MCM Parallel "T" Tap Connector With Cover Excellent for tapping off main conductor without cutting due to lay-in feature. Perpendicular tap allows for parallel or "T" tap configuration. Flexible cover allows for either parallel or "T" tap wire entry. Secure snap cover eliminates need for taping. Electro-tin plated for low contact resistance. Rated 600V. Temperature rating 90 degrees C.

GP-350WC

350 MCM Parallel "T" Tap Connector With Cover Excellent for tapping off main conductor without cutting due to lay-in feature. Perpendicular tap allows for parallel or "T" tap configuration. Flexible cover allows for either parallel or "T" tap wire entry. Secure snap cover eliminates need for taping. Electro-tin plated for low contact resistance. Rated 600V. Temperature rating 90 degrees C.
Copper Terminal Lug 1/0 - 4 AWG Copper Terminal Lugs are made of high copper alloy. They are used for joining a wide range of cables or terminal blocks.

TL1/0

Copper Terminal Lug 1/0 - 4 AWG Copper Terminal Lugs are made of high copper alloy. They are used for joining a wide range of cables or terminal blocks.
Extruded Copper Lug 1/0 -14 AWG with 1/4" mounting bolt is a solid, one-piece copper connector made from extruded copper for superior mechanical strength and excellent performance. Steel Screw. Suitable for use with copper wire only. 600V (2000V max. per UL486B). UL 486A/B Listed Wire Connectors.

0TC

Extruded Copper Lug 1/0 -14 AWG with 1/4" mounting bolt is a solid, one-piece copper connector made from extruded copper for superior mechanical strength and excellent performance. Steel Screw. Suitable for use with copper wire only. 600V (2000V max. per UL486B). UL 486A/B Listed Wire Connectors.
225A Stacked Neutral Bar, 4-14 AWG 12 Circuits - With Mtg Base

1012B

225A Stacked Neutral Bar, 4-14 AWG 12 Circuits - With Mtg Base

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.