| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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12 pcs
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12 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Keystone Electronics 3550-2 is a single-circuit blade fuse holder designed for through-hole mounting on PCBs. Its horizontal orientation allows for low-height clearance applications, making it suitable for space-constrained designs. The holder fully insulates the fuse clips to protect against shorting and ensures proper spacing with polarized legs.
Rated at 20A continuous current and 500V AC, the 3550-2 accommodates standard ATC and ATO blade fuses with dimensions of 0.75" L x 0.2" W (19.1mm x 5.1mm). The brass contacts feature a nickel finish, and the insulator is molded from nylon rated UL 94V-0. The UL temperature rating spans from -50°C to +145°C.
The PC pin termination and through-hole design provide reliable mechanical retention during wave soldering. The holder is polarized to ensure correct orientation of the fuse clips onto the board, reducing assembly time. This fuse holder is commonly used in industrial control, power distribution, and automotive electronics where horizontal fuse insertion is preferred.
The UL current rating is 20 A.
It is rated for 500 V AC.
It accepts ATC and ATO blade fuses.
It is a through-hole mount with PC pin termination.
The fuse is inserted horizontally.
The UL temperature rating is -50°C to +145°C.
It accepts fuses with dimensions 0.75" L x 0.2" W (19.1mm x 5.1mm).