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Five clear glass cylindrical fuses with metal end caps

Bussmann

Bussmann MDL-30 Glass Fuse 30A 32V AC 5pk

SKU CH-85E1-Q96AW

Pack of five 30 A, 32 V AC time-delay glass fuses with a 1 kA interrupt rating

  • Time-delay protection handles surges without nuisance blows
  • 30 A rating suits higher-current automotive circuits
  • 32 V AC rating matches common low-voltage systems
  • 1 kA interrupt capacity clears faults safely
  • Glass body allows visual inspection of element

What this fuse does

The Bussmann MDL-30 is a glass-bodied, time-delay fuse rated at 30 A and 32 V AC with a 1kA interrupt rating. It fits cylindrical holders that accept a 1-1/4 in by 1/4 in body and is designed for circuits that experience brief inrush currents without nuisance opening.

What the five-pack changes

The pack contains five identical fuses so a single purchase covers multiple replacement points or provides spares for future faults. Each fuse is a direct equivalent to Bussmann MDL, MDQ, MDV, MDX series and Littelfuse 313, 315, Mersen GDL, GDV series, simplifying cross-referencing when reordering.

Installing and common issues

Installation is a straight push-in or clip-in action into a compatible fuse holder; no tools or soldering are required. The main risk is fitting the fuse into a circuit that exceeds the 32 V AC rating or a holder with a different physical size, which can prevent proper contact or cause premature failure.

Highlights

  • Time-delay protection handles surges without nuisance blows
  • 30 A rating suits higher-current automotive circuits
  • 32 V AC rating matches common low-voltage systems
  • 1 kA interrupt capacity clears faults safely
  • Glass body allows visual inspection of element

Specifications

BrandEATON BUSSMANN

Questions about this item

Does the time-delay element in the MDL-30 fuse degrade so it needs scheduled replacement?

The fuse is a single-use protective device; the time-delay element does not wear out but the fuse must be replaced after it interrupts a fault current.

What is the interrupt rating that limits fault-current handling on the MDL-30?

The fuse is rated to safely interrupt up to 1kA at 32V AC; sustained currents above 30 A will cause it to open.

How much heat does the MDL-30 glass body produce when carrying 30 A continuously?

The glass body dissipates heat during normal operation; sustained 30 A load will warm the fuse but it is designed to carry that current without opening.

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