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Help Center24kv High Voltage Current Limiting Fuse for Transformer Protection / High Breaking Capacity Fuse/porcelain Body Fuse/XRNP Type
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Applications
H.V current-limiting fuses type S is mainly used in AC50Hz, rated voltage 3.6~40.5KV, rated current up to 200A circuit for protection transformers and power equipments from overload and short-circuit.It can also be used with load switch,vacuum contact.
It conforms to IEC282-1,GB15166.2 and DIN standard.
Design Features
DIN HRC "S" type high voltage fuse for transformer protection:
1. According to bussmann DIN "S" type high performance back-up fuse
2. Comply with IEC282-1, DIN, BS
3. This fuse is intended to protect distribution networks and transformer, for indoor as well as outdoor use.
4. Any other specifications can be designed specially.
S type H.V.HRC current-limiting fuses has many merits as high current-limiting ablilty,high breaking capacity,quick and punctual in action,reliable in performance.
Basic Data
| model |
Rated voltage (KV) |
rated current of the fuse links (A) |
Rated breaking current (KA) |
dimensions (mm) |
||
| Foreign | Department | |||||
| SDO.J | XRNT1 | 3.6 see figure 1 | 6.3/10/16/20/25/31.5/40 | 50 | 51 | 192 |
| SDL.J | XRNT1 | 7.2 see figure 1 | 6.3/10/16/20/25/31.5/40/50/63 | 50 | 51 | 292 |
| SFL.J | XRNT1 | 7.2 see figure 1 | 80/100/125/160 | 50 | 76 | 292 |
| SDL.J | XRNT1 | 12 see figure 1 | 6.3/10/16/20/25/31.5/40 | 50 | 51 | 292 |
| SFL.J | XRNT1 | 12 see figure 1 | 50/63/71/80/100 | 50 | 76 | 292 |
| SKL.J | XRNT1 | 12 see figure 1 | 125 | 50 | 76 | 292 |
| SXL.J | XRNT1 | 12 see figure 1 | 160/200 | 50 | 88 | 292 |
| SDM.J | XRNT1 | 24 see figure 2 | 6.3/10/16/20/25/31.5/40 | 40 | 51 | 442 |
| SFM.J | XRNT1 | 24 see figure 1 | 50/63/71/80/100 | 40 | 76 | 442 |
| SKM.J | XRNT1 | 24 see figure 1 | 125 | 40 | 76 | 442 |
| SXM.J | XRNT1 | 24 see figure 1 | 160 | 40 | 88 | 442 |
| SDQ.J | XRNT1 | 40.5 see figure 3 | 3.15/6.3/10/16/20/25 | 31.5 | 51 | 537 |
| SFQ.J | XRNT1 | 40.5 see figure 3 | 31.5/40 | 31.5 | 76 | 537 |
| SXQ.J | XRNT1 | 40.5 see figure 3 | 63 | 31.5 | 88 | 537 |
Note:under stipulated condition,min.breaking current of fuses could be as high as 2.5-3times than ratred current.
|
Transformer capacity (KVA) |
Transformer primary voltage | |||
| 7.2 (KV) | 10(KV) | 20(KV) | 30(KV) | |
|
Fuse model/ rated current(A) |
Fuse model/ rated current(A) |
Fuse model/ rated current(A) |
Fuse model/ rated current(A) |
|
| 50 | SDL.J-7.2KV/8A | SDL.J-12KV/6.3A | SDM.J-24KV/3.15A | SDQ.J-40.5KV/3.15A |
| 100 | SDL.J-7.2KV/16A | SDL.J-12KV/10A | SDM.J-24KV/6.3A | SDQ.J-40.5KV/6.3A |
| 125 | SDL.J-7.2KV/20A | SDL.J-12KV/12A | SDM.J-24KV/6.3A | SDQ.J-40.5KV/6.3A |
| 160 | SDL.J-7.2KV/25A | SDL.J-12KV/16A | SDM.J-24KV/8A | SDQ.J-40.5KV/6.3A |
| 200 | SDL.J-7.2KV/31.5A | SDL.J-12KV/20A | SDM.J-24KV/10A | SDQ.J-40.5KV/8A |
| 250 | SDL.J-7.2KV/40A | SDL.J-12KV/25A | SDM.J-24KV/12A | SDQ.J-40.5KV/10A |
| 300/315 | SDL.J-7.2KV/50A | SDL.J-12KV/31.5A | SDM.J-24KV/16A | SDQ.J-40.5KV/10A |
| 400 | SDL.J-7.2KV/63A | SDL.J-12KV/40A | SDM.J-24KV/20A | SDQ.J-40.5KV/16A |
| 500 | SDL.J-7.2KV/80A | SDL.J-12KV/50A | SDM.J-24KV/25A | SDQ.J-40.5KV/16A |
| 630 | SDL.J-7.2KV/100A | SDL.J-12KV/63A | SDM.J-24KV/31.5A | SDQ.J-40.5KV/20A |
| 750/800 | SDL.J-7.2KV/125A | SDL.J-12KV/80A | SDM.J-24KV/40A | SDQ.J-40.5KV/25A |
| 1000 | SDL.J-7.2KV/160A | SDL.J-12KV/100A | SDM.J-24KV/50A | SDQ.J-40.5KV/31.5A |
| 1250 | SDL.J-12KV/125A | SDM.J-24KV/63A | SDQ.J-40.5KV/40A | |
| 1600 | SDL.J-12KV/160A | SDM.J-24KV/80A | SDQ.J-40.5KV/50A | |
| 2000 | SDL.J-12KV/200A | SDM.J-24KV/100A | SDQ.J-40.5KV/63A | |
Fuse Demensions
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