Littelfuse SLO030 SLO Series 30A Type S Time-Delay Plug Fuse

Littelfuse SLO030 SLO Series 30A Type S Time-Delay Plug Fuse

The Littelfuse SLO030 SLO Series is a 30A, 125VAC Type S time-delay plug fuse engineered for reliable overcurrent protection in residential and light commercial fuse panels. Featuring a Medium-Acting/Medium Time Lag/Medium Time Delay opening characteristic, this plug fuse allows momentary overloads such as motor-starting inrush current and temporary appliance surges to pass without nuisance opening, while still protecting branch-circuit wiring from sustained overcurrents. With a 10,000A interrupting rating at 125VAC, the SLO030 delivers dependable fault-current interruption for demanding electrical applications, making it a trusted, code-compliant replacement fuse for existing Type S fuse panels in homes and light commercial buildings.

Key Features

• Ampere Rating: 30A rating suited for branch-circuit, appliance, and general overcurrent protection.
• Voltage Rating: 125VAC for standard residential and light commercial fuse panels.
• Time-Delay Opening: Medium-Acting/Medium Time Lag/Medium Time Delay characteristic tolerates temporary inrush and motor-starting currents without nuisance blowing, reducing unnecessary fuse replacement.
• Interrupting Rating: 10,000A @ 125VAC for dependable clearing of high fault currents and added circuit safety margin.
• Type S Base: Type S-style base construction helps prevent installation of an oversized, mismatched fuse, supporting proper circuit protection coordination.
• Package Format: Plug Fuse package size for direct, screw-in installation into compatible Type S fuse panels.

Technical Specifications

• VAC (V): 125
• Ampere Rating (A): 30
• Opening: Medium-Acting/Medium Time Lag/Medium Time Delay
• Interrupting Rating: 10000A@125VAC
• Package Size: Plug Fuse
• Series: SLO

Typical Applications

• Residential Fuse Panel Circuit Protection
• Light Commercial Branch-Circuit Protection
• Motor and Appliance Circuits Requiring Time-Delay Protection
• Type S Fuse Panel Replacement and Upgrades
• General Overcurrent Protection on 125VAC Circuits
• Maintenance and Retrofit of Existing Plug-Fuse Panels

Why Littelfuse?

Littelfuse is a recognized name in circuit protection, and the SLO Series plug fuse reflects that focus with a 10,000A interrupting rating and Type S base construction built for dependable, code-compliant performance. The medium time-delay opening characteristic is engineered specifically to ride through normal motor-starting and appliance inrush events, helping installers and homeowners avoid nuisance fuse replacements while maintaining protection against genuine overcurrent conditions. For professionals and homeowners replacing 30A, 125VAC Type S fuses, the Littelfuse SLO030 offers a reliable, drop-in overcurrent protection solution for existing fuse panels.