TXFR4 Fuse rail
Description
LV NH Fuse rail is 3 Pole base of LV Fuse links, comprises three single-pole connections in one unit, used for185mm busbar mounting. Each contact at an individual phase is connected to the phase on the busbar system. The other contacts are connecting with cable terminals or V-clamps. They are available in size 250A/400A/630A. Covers provide insulation protection for all live parts.
Operation
The NH Fuse rail are mainly used for cable distribution cabinets and power supply systems.
NH fuse rail is suitable to insertion of LV NH FUSE LINKS. Fuse link inserts and removes from fuse rail by a special handle.
Advantages
1.Good materials ensures a low power dissipation, optimum thermal characteristics, and a high breaking capacity.
2.All the live parts are protected against accidental contacts.
3.Special contact part cover provides for safe insertion and removal of fuse links.
4.Upper or lower cable connection-as required
5.Simple installation
6.Modular design.
Parameters
| Type of fuse rail | TXFR4-250A | TXFR4-400A | TXFR4-630A |
| Rated voltage | 415V, 500V, 690V | ||
| Rated current | 250A | 400A | 630A |
| Rated frequency | 50/60Hz | 50/60Hz | 50/60Hz |
| Ui | 1000V | 1000V | 1000V |
| Rated impulse withstand voltage | 10KV | 10KV | 10KV |
| Fuse size | size 1 | size 2 | size 3 |
| Application category | 415V, 500V, 690V AC23B, AC22B, AC21B |
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| Wire specifications | 120mm2 | 240mm2 | 300mm2 |
| Degree of Protection | IP30 | IP30 | IP30 |
| Structure | 185mm busbar system | ||
| Connection mode | Screw,& Cable lug & V-clamp | ||
| Installation of busbar | Punched rectangle busbar & unpunched rectangle busbar & other | ||
| Fixed way | Screw, Hook, other mounting accessories | ||
Dimension Drawing
