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Low voltage fuse-links used as protection devices for low voltage public distribution networks and installations. They are installed in LV distribution substation panels, switch-disconnector boxes, switching cabinets for underground networks, and metering boxes/cabinets for various uses. The range includes blade fuse-links size 2 (115 mm and 160 mm) and size 00 (BPS), as well as cylindrical 14×51, 22×58 and NH size 00 fuse-links.
Vue d'ensemble
These fuse-links are knife-type fuse-links in size 2 or size 00 according to IEC 269-2-1. There are 3 types depending on blade dimensions: size 2 115 mm, size 2 160 mm and size 00. There are 5 ratings: 100 A, 125 A, 200 A, 250 A and 400 A. The hooking lugs are made of insulating material. The fuses are specified for a rated voltage of 440 V AC at a nominal frequency of 50 Hz. The rated breaking capacity is 50 kA. The range is developed to protect the low voltage public network and is used together with circuit breakers. This range is able to clear high short-circuit currents but also over-currents after a variable duration defined by their time-current characteristics. The products comply with technical specification Enedis NH 63-S-20 and NH 63-S-83, and IEC 60269-1-3. Body material is ceramic and plastic.
Conditions d'utilisation
Used as protection devices for low voltage public distribution networks and installations.
Installed in LV distribution substation panels, switch-disconnector boxes, switching cabinets for underground networks, and metering boxes/cabinets for various uses.
To be used associated with circuit breakers, LV distribution panels, meter cabinets and switching cabinets.
Rated voltage: 440 V AC.
Nominal frequency: 50 Hz.
Rated breaking capacity: 50 kA for size 2 and size 00 (BPS); 20 kA for cylindrical 14×51, 22×58 and AD fuse-links size 00.
The handle is used for installation and extraction of size 00 and size 2 fuses in devices not equipped with an integrated handler.
Product Features
Low power dissipation fuses.
Dimensions according to technical specification Enedis NH 63-S-20 and NH 63-S-83.
Knife-type fuse-links in size 2 or size 00 according to IEC 269-2-1.
3 types according to blade dimensions: size 2 115 mm, size 2 160 mm and size 00.
5 ratings: 100 A, 125 A, 200 A, 250 A and 400 A.
Hooking lugs made of insulating material.
Body material: ceramic and plastic.
Product sizes: 14×51, 22×58, size 00, size 2.
Available with neutral links and a fuse handle.
Product Functions
Protection of low voltage public distribution networks and installations.
Clearing high short-circuit currents.
Clearing over-currents after a variable duration defined by their time-current characteristics.
Used together with circuit breakers.
Neutral link function: used on the neutral position.
Fuse handle function: installation and extraction of size 00 and size 2 fuses in devices not equipped with an integrated handler.
| Paramètres | Valeur |
| Standard | IEC 269-2-1 / IEC 60269-1-3 |
| Technical specification | Enedis NH 63-S-20 / NH 63-S-83 |
| Rated voltage AC | 440 V AC |
| Nominal frequency | 50 Hz |
| Rated breaking capacity | 50 kA (Size 2 and Size 00 BPS); 20 kA (Cylindrical 14×51, 22×58, AD Size 00) |
| Ampere range | 30 … 400 A |
| Speed / Characteristic | aD |
| Body material | Ceramic and plastic |
| Product size | 14×51, 22×58, size 00, size 2 |
| Hooking lugs material | Insulating material |
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