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14×51 PV Fuse 1000V | kydpv-63 Fuse Holder for Solar Systems
14×51 PV fuse 1000V, rated 2–63A, designed for solar and ESS applications.
Compatible with gPV fuse links 14×51 mm, DIN-rail mounted holder.
Certified to IEC 60269-6 / UL 248-19, optional blown-fuse indicator.
Overview
The 14×51 PV fuse 1000V is integrated in the kydpv-63 fuse holder,
specially designed for photovoltaic arrays, combiner boxes, and energy storage DC buses.
It supports 14×51 mm gPV fuse links rated from 2–63A, providing reliable short-circuit
and overload protection for solar DC circuits. Built with a flame-retardant base and ceramic fuse tube
with quartz-sand arc quenching, the kydpv-63 ensures durability under demanding PV environments.
Key Features
- 14×51 PV fuse with 1000V DC rating, current range up to 63A.
- DIN-rail 35 mm mounting, compact 1-pole holder design.
- Optional blown-fuse indicator (with / without light).
- High breaking capacity gPV fuse link, replaceable and service-friendly.
- Certified to IEC 60269-6, UL 248-19, GB/T 13539-6.
Specifications
| Rated Voltage | 1000 V DC |
|---|---|
| Fuse Size | 14×51 mm gPV fuse links (2–63A) |
| Mounting | 35 mm DIN rail, 1 pole |
| Indicator | Available with / without light |
| Terminal Torque | 2.5 N·m recommended |
| Operating Temp | −40 °C … +90 °C |
| Standards | IEC 60269-6; UL 248-19; GB/T 13539-6 |
Diagrams
Applications
- PV string protection with 14×51 PV fuse 2–63A.
- Combiner box input/output branch fuse protection.
- ESS DC bus and battery pack coupling.
- Inverter and DC/DC converter protection.
FAQ
Q1. What is the current rating of the 14×51 PV fuse?
It supports 2–63A depending on the selected gPV fuse link.
Q2. Does the kydpv-63 include a blown-fuse indicator?
Yes, optional versions with or without light indicator are available.
Q3. What standards does the 14×51 PV fuse comply with?
It complies with IEC 60269-6, UL 248-19, and GB/T 13539-6.
Q4. Where is the 14×51 PV fuse commonly applied?
In PV combiner boxes, ESS DC buses, and inverter DC-side protection.
Q5. How is the kydpv-63 fuse holder installed?
It is mounted on a 35 mm DIN rail with a compact 1-pole holder.
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