Morris 90991 Offset Solid Pin Terminal, 400 MCM Wire / 300 MCM Pin

Product Overview

The Morris 90991 is an offset solid pin terminal connector that terminates a 400 MCM aluminum or copper conductor to a 300 MCM solid pin. The tin‑plated aluminum barrel is prefilled with oxide inhibitor and the connector is supplied with an EPDM insulating cover.

Die index and crimp marks are provided on the barrel to assist crimp placement. The connector is rated 600 V.

Key Features

• Offset solid pin design to adapt a larger conductor to a smaller equipment pin
• All‑aluminum barrel with tin plating for use with aluminum and copper conductors
• Barrel prefilled with oxide inhibitor
• Die index and crimp marks on the barrel
• Supplied with EPDM insulating cover
• 600 V rating

What this terminal does

The Morris 90991 is used to terminate a 400 MCM conductor onto a 300 MCM solid pin. Typical application examples include landing conductors on breakers, switches, panelboards, and lug terminals where a larger conductor must adapt to a smaller pin size.

• Adapts 400 MCM conductor to a 300 MCM solid pin
• Suitable for use with aluminum or copper conductors when using the tin‑plated barrel

Materials, plating and protection

The barrel is aluminum with tin plating. The barrel is prefilled with oxide inhibitor. An EPDM insulating cover is supplied for insulation at the pin end and is included with the connector.

• Barrel: aluminum, tin‑plated
• Barrier/cover: EPDM (supplied)
• Barrel prefilled with oxide inhibitor

Installation and crimping

Strip the conductor, fully insert it into the barrel, and crimp using the die/crimp marks on the barrel. After crimping, slide the supplied EPDM cover over the completed connection.

• Strip conductor and insert fully into barrel
• Crimp at the marked die/crimp locations on the barrel
• Slide EPDM cover over the finished crimp

Electrical rating

The connector is rated 600 V. Use the product in accordance with system requirements and applicable codes.

• Voltage rating: 600 V

Wire and pin sizes

This SKU is specified to accept a 400 MCM conductor and terminate to a 300 MCM solid pin. Confirm conductor and equipment pin sizes before selecting the terminal.

• Conductor (wire) size: 400 MCM
• Equipment pin size: 300 MCM

Before You Order

Confirm the model and that a 400 MCM conductor and a 300 MCM equipment pin are required for your installation.

• Verify conductor and equipment pin sizes (400 MCM to 300 MCM)
• Ensure your crimping tooling corresponds to the barrel's die/crimp marks

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Morris 90991 Offset Solid Pin Terminal, 400 MCM Wire / 300 MCM Pin. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.