ABB - Installation Products M05CLF080 - Encapsulated Molded Current-Limiting Fuses, Nominal Fuse Voltage Rating 5.5kV, Current Rating Amps 80
ABB - Installation Products

M05CLF080

UPC: 075114172875


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Overview

The ABB M05CLF080 is an encapsulated molded current-limiting fuse designed for medium-voltage applications requiring precise fault current protection. Rated at 5.5 kV nominal voltage and 80 A continuous current, this fuse is part of the M05CLF series, engineered for reliable operation in industrial and utility systems. The encapsulated design ensures environmental resistance and mechanical durability, while the molded construction provides consistent performance under fault conditions. Typical applications include switchgear, motor control centers, transformers, and distribution systems where fast fault interruption is critical to prevent equipment damage. The 5.5 kV rating makes it suitable for systems operating at or below this voltage level, offering a balance of interrupting capability and current-carrying capacity. The 80 A rating supports applications with continuous load currents up to this value, with higher fault currents safely interrupted by the fuse's current-limiting characteristics. This fuse is a direct replacement for applications requiring compliance with medium-voltage protection standards, providing predictable response times and high interrupting ratings. The encapsulated design minimizes external arcing and reduces the risk of fire or explosion in enclosed switchgear. For systems where space is constrained, the compact form factor of the M05CLF080 allows for efficient integration into existing panels or enclosures. The fuse is designed to meet the requirements of ANSI/IEEE C37.46 and other relevant standards for current-limiting fuses, ensuring compatibility with a wide range of protective relay schemes. When selecting this fuse, verify system voltage, continuous current, and fault current levels to ensure proper coordination with upstream and downstream protective devices.
  • Nominal voltage rating: 5.5 kV
  • Continuous current rating: 80 A
  • Encapsulated molded design for environmental resistance
  • Part of ABB M05CLF series for medium-voltage protection
  • Designed for fast fault interruption in switchgear and transformers

Specifications

Amperage Rating
80 A
Application
Suitable for Padmount, Subsurface or Vault Installations
Material
EPDM-Rubber
Mounting
Clip
Special Features
EPDM Molded Rubber Deadfront Contruction Insulates, Shields and Elimates Exposed Live Parts. Lightweight Fuses are Fully Sealed and Submersible. Specially Designed Fuse Elements with Built-in Low and High Current Interrupting Capability Provide Full Range Fault Current Protection thru 50kA. Current Limiting Protection limits the System Available Fault Current and Dramatically reduces Stresses on Equipment. Internal Fuse Sheild Prevents Corona and Deterioration of the Fuse Element
Standard
ANSI C37.40, ANSI C37.41, ANSI C37.47, IEEE 386
Type
Molded Current-Limiting Fuse
Voltage Rating
5.5 kV
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
1.0000 L
Package Weight (Metric)
0.4540 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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