Catalog and technical documents

Ratings, dimensions and curves for the DENCO range. Individual family pages carry their own specification tables; the full catalog is available below.

Product catalog

The current edition is dated January 2025 and runs to 141 pages, covering every family from the medium-voltage E-, R- and C-rated ranges through to the international BS88, NH and HH designs, ultra-rapid semiconductor fuses and special purpose products.

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Technical documents

Data sheets, dimensional drawings, time-current curves and I²t data are available per family. Ask for the specific document you need and we will supply the current revision.

Distributor application

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Browse the catalog online

Every section of the catalog has a page here with its ratings, construction and catalog numbers, cited to the catalog page they come from.

What is in the 141-page catalog, and where it is on this site
Catalog pages	Section
pp.1–8	About DENCO, the factory and test laboratory
pp.25–44	E-Rated Transformer Protection Fuses 9F60 / EJ-1 / EJO-1 clip-on E-rated fuses, 2.75kV to 8.25kV pp.25–32 9F60 / EJ-1 / EJO-1 clip-on E-rated fuses, 15.5kV to 38kV pp.25, 33–36 9F62 / EJO-1 general purpose clip-on fuses pp.25, 30–31, 34 9F62 bolt-on E-rated fuses pp.37–40 Clip Lock 14 (CL-14) E-rated fuses pp.41–44
pp.45–50	Potential Transformer (PT) Protection Fuses 9F60 / EJ-1 clip-mounted PT fuses pp.45–50
pp.51–52	DHS & DHHS Current-Limiting Dropout Fuses
pp.53–58	R-Rated Motor & Soft-Starter Fuses 2.5kV and 4.8kV R-rated motor fuses (RA / RC) pp.53–56 7.2kV bolt-on R-rated motor fuses (RD) pp.57–58
pp.59–75	C-Rated Capacitor Protection Fuses Capacitor protection fuses Types 1 to 9, 1kV to 5.5kV pp.59–71, 75 DNX and DNXC current-limiting capacitor fuses pp.72–74
pp.76–77	Loadbreak Elbow & Load Break Disconnect Fuses
pp.78–88	Oil-Immersed Transformer Fuses: Bay-O-Net & Backup Designs Bay-O-Net fuse holder pp.78–81 Fuse-link fault sensors SF, DS and DE pp.82–88
pp.89–90	BS88 British Standard Fuses
pp.91–95	Type NH Square Body Fuses & Bases NH fuse bases and microswitch accessories pp.21, 95 NH DIN 43620 fuse-links: gL/gG, gB, gTr and aM pp.89, 91–94
pp.96–97	Type HH High Voltage HRC Fuse-Links
pp.98–132	Ultra-Rapid Semiconductor Fuses Semiconductor fuse application notes pp.9–20 Form 101 cylindrical semiconductor fuses pp.98–100 DIN 43620 knife-blade semiconductor fuses (aR/gR) pp.98, 101–104, 112, 122 DIN 43653 German-standard semiconductor fuses pp.98, 105–106, 108–111, 117–121, 123–124, 128–131 American Standard (BS 88) NH semiconductor fuses pp.98, 113–114, 125 Press-pack semiconductor fuses pp.98, 115, 126 French standard semiconductor fuses pp.98, 107, 116, 127 Ferrule semiconductor protection fuses pp.98, 132
pp.133–134	Underground cable protectors (CP)
pp.135–136	Network Protector Fuses
p.137 + line card p.3	Electric Vehicle DC Fuses
pp.138–140	gPV Photovoltaic Fuses & Bases gPV fuse-links 600-1500VDC and bases pp.138–140

Catalog and technical documents

Product catalog

Technical documents

Distributor application

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Browse the catalog online