Bussmann SD NH Series Screw-Type Fuse Base, 690V/250A Non-Indicating

Bussmann SD NH Series Screw-Type Fuse Base, 690V/250A Non-Indicating

The Bussmann SD NH Series Screw-Type Fuse Base from Eaton Bussmann is a low voltage fuse base engineered for reliable, code-compliant fuse mounting in commercial and industrial power distribution equipment. This NH-style base features a silver thermoplastic body rated 690V and 250A, uses screw-type terminations for a secure electrical connection, and is offered in a Non-Indicating configuration with no blown-fuse indicator. This family listing covers Amp Rating options ranging from 1A through 3A, so electrical professionals can select the fuse rating that matches the circuit load while relying on the same durable 690V, 250A rated base construction and silver thermoplastic housing across every option in the range.

Key Features

• Voltage & Current Rating: Base is rated 690V and 250A, supporting demanding low voltage distribution applications.
• Amp Rating Options: Available across the family in Amp Rating configurations of 1A, 2A, and 3A to match specific circuit protection needs.
• Screw-Type Connection: Screw terminations provide a secure, serviceable electrical connection at the fuse base for straightforward installation and maintenance.
• Non-Indicating Design: Non-Indicating construction with no blown-fuse indicator, consistent with Eaton Bussmann NH base specifications.
• Durable Thermoplastic Construction: Silver thermoplastic body resists the wear of routine panel servicing while keeping the base lightweight and easy to handle.
• Low Voltage Application: Purpose-built as a low voltage fuse base suited to panelboard, switchgear, and distribution equipment installations.
• NH-Style Base: Follows the NH fuse base configuration, a widely used mounting format for screw-type, non-indicating low voltage fuse applications.

Technical Specifications

• Fuse Indicator: Non-indicating
• Product Length Depth: 7.008 in
• Compliances: Contact factory

Typical Applications

• Low Voltage Fuse Panels and Distribution Boards
• Commercial and Industrial Electrical Switchgear
• NH-Style Fuse Mounting in Panelboards
• Motor Control Centers and Power Distribution Assemblies
• Circuit Protection Retrofits and New Construction Projects

Why Bussmann?

Eaton Bussmann builds this NH Series fuse base with a robust silver thermoplastic body and secure screw-type terminations to deliver dependable, code-compliant performance in low voltage 690V, 250A rated distribution equipment. The Non-Indicating design keeps the base straightforward for installations where a blown-fuse indicator is not required, and the consistent base construction across Amp Rating options from 1A to 3A gives electrical professionals confidence in fit and function throughout the family. Choosing Bussmann for NH-style fuse mounting means specifying a base built to the demands of professional electrical distribution work.