Fuse Bases 600V 30A Midget 1-pole 81-91 Single Set Screw / Double Set Screw – In-Line Fuse Holder

Mersen’s Fuse Bases 600V 30A Midget 1-pole fuse holders are designed for quick installation in electrical distribution and lighting solutions, accommodating 1-1/2" x 13/32" (10 x 38 mm) midget fuses. These in-line fuse holders provide a water-resistant compartment with three internal O-rings per pole, ensuring reliable sealing in humid and corrosive environments. Available with single or double set screw connections, they are suitable for applications such as street lighting, parking lot lighting, traffic signaling, sports lighting, and marine installations. The optional breakaway feature safely disconnects the load during pole knockdown, maintaining fuse encapsulation for easy reconnection once reinstalled.

Specifications

• Voltage Rating: 600 VAC / DC
• Amperage Rating: 30 A
• Fuse Class: Midget
• Material: Polyethylene
• Mounting: In-Line
• Connection Type: Single Set Screw / Double Set Screw
• Dimensions: Length 4.3 in, Width 1 in, Height 1 in
• Frequency: 50 Hz
• Maximum Operating Temperature: 80 °C
• Country of Origin: Mexico

Features

• Captive nuts and screws for faster installation
• Three colored O-rings per pole for water resistance and quick identification (blue for single pole, red for dual pole)
• Optional cone-shaped insulator boots provide watertight sealing (standard on breakaway versions)
• Breakaway versions safely disconnect load during pole knockdown, keeping fuses encapsulated
• Compatible with a wide range of midget fuses including ATQ, ATM, TRM, OTM, GGU, GFN, A13X-2, A25Z-2, A60Q-2, A6Y-2B
• Designed for use in harsh environments including humid and corrosive conditions
• High-impact, heat-resistant insulator for durability

Downloads & Links

• Spec Sheet (French)
• Spec Sheet