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1000V DC Fuse Holder | KYPV-H0B / H1B / H2B / H3B for Square-Body gPV Fuses
1000V DC fuse holder series for square-body gPV fuse links (H0–H3); also known as fuse bases.
Flame-retardant housing, silver-plated contacts; DIN-rail or fixed mounting.
Designed for PV combiner boxes, ESS DC bus, and inverter DC input protection.
Overview
The KYPV-H0B / H1B / H2B / H3B are 1000V DC fuse holders
for square-body gPV fuse links (KYPV-H0 to H3).
In many datasheets they are also called fuse bases.
These holders are widely used in PV combiner boxes,
energy storage systems, and inverter DC input circuits,
providing safe installation and reliable contact performance.
Key Features
- Models: KYPV-H0B, H1B, H2B, H3B.
- Rated voltage: 1000 V DC; breaking capacity up to 50 kA (with gPV fuses).
- Compatible with fuse links KYPV-H0 to H3.
- Silver-plated copper contacts, flame-retardant body.
- DIN-rail or fixed mounting options.
- Compliance:
IEC 60269-6,
UL 248-19.
Dimensions
H0B:
H1B:
H2B
H3B:
Applications
- Square-body fuse mounting in PV combiner boxes.
- Energy storage DC bus protection.
- Inverter DC-side and converter input circuits.
- Industrial DC distribution up to 1000V.
FAQ
Q1. Are these holders the same as fuse bases?
Yes, “fuse holder” is the standard market term, though many datasheets call them fuse bases.
Q2. Which fuses fit each holder?
KYPV-H0B fits KYPV-H0, H1B fits H1, H2B fits H2, H3B fits H3.
Q3. Do the holders have their own electrical rating?
Electrical performance depends mainly on the installed gPV fuse link; holders provide mechanical fit and safe mounting.
Q4. Why are dimension drawings important?
Because square-body fuse holders differ mainly in size, dimension drawings are critical for correct panel layout.
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