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17.5KVOHGMA50

更新时间： 2024-11-26 05:21:43
品牌 Logo 应用领域
库柏 - COOPER 电路保护
页数 文件大小 规格书
1页 70K
描述
Electric Fuse, 50A, 17500VAC, 17500VDC, 35000A (IR), Inline/holder,

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17.5KVOHGMA50 数据手册

  
Medium Voltage Fuses  
British Standard IEC fuses for use in oil filled distribution  
switchgear  
OEFMA  
Code Number Reference  
O
_
_
M
A
Specifications  
Type  
Description: BS 2692-1 medium  
voltage fuses for use on the primary  
circuit of three-phase 50Hz trans-  
formers in oil field switchgear. Fitted  
with powerful pyrotechnic striker pin.  
O = Oil tight  
Diameter  
E = 63.5mm  
H = 63.5mm  
L = 63.5mm  
Length  
F = 254mm  
G = 359mm  
Striker  
Ratings:  
Volts: — 3.6-24kV  
Amps: — 6.3-200A  
IR: — 25-50kA (See Catalog Number table below)  
M = As specified in BS 2692 table 11  
Tags  
A = None (plain caps)  
Agency Information: Fuses comply with IEC 60282-1,  
BS2692-1 and ESI Standard 12-8. 7.2 and 12kV fuses tested  
at highest system voltage and approved by the UK Electricity  
Association approvals panel.  
Dimensions:  
Featues and Benefits  
• Physically sized for replacement of British Standard fuse  
links  
Current-limiting fuse for use in oil switchgear  
Fuse types: OEF, OEG, OHF, OHG, OLG  
254mm (10 in) or 359mm (14 in)  
44  
Typical Applications  
• Medium Voltage BS designed equipment  
Catalog Numbers  
10 Min — 16 Max striker travel after operation, if fitted.  
Catalog Numbers  
Transformer  
kVA  
Transformer Primary Voltage  
3.3kV  
6.6kV  
11kV/ESI 12-8 Ref.  
13.8kV  
200  
250  
300/315  
400  
500  
630  
750/800  
1000  
1250  
1600  
3.6kV OEFMA 63  
3.6kV OEFMA 80  
3.6kV OEFMA 100  
3.6kV OEFMA 125  
3.6kV OEFMA 160  
3.6kV OEFMA 200  
3.6kV OLGMA 250  
3.6kV OLGMA 250*  
—
12kV OEFMA 31.5  
12kV OEFMA 40  
12kV OEFMA 50  
12kV OEFMA 63  
12kV OHFMA 71  
7.2kV OEFMA 100  
7.2kV OHGMA 125  
7.2kV OHGMA 140  
7.2kV OHGMA 160*  
—
12kV OEFMA 25/01  
12kV OEFMA 25/—  
12kV OEFMA31.5/02  
12kV OEFMA 40/—  
12kV OEFMA 50/03  
12kV OEFMA 63/—  
12kV OHFMA 80/04  
12kV OHGMA 90**/05  
12kV OHGMA 100/—  
12kV OLGMA 125*/—  
15.5kV OEFMA 16  
15.5kV OEFMA 20  
15.5kV OEFMA 25  
15.5kV OEFMA 31.5  
15.5kV OEFMA 40  
15.5kV OEFMA 50  
15.5kV OEFMA 63  
15.5kV OHGMA 71  
15.5kV OHGMA 90  
15.5kV OLGMA 100*  
—
This Catalog Number selection table is based upon the following criteria:  
1. Withstand against magnetizing inrush current taken as 12 times full-load current for 0.1 second.  
2. Withstand against 150% permissible overload current. Recommendations marked with asterisks have the following significance:-  
*Limited to permissible overloads of 130%.  
**Permits use of a 12kV OHFMA 80A fuse with a 100kVA transformer where permissible overload does not exceed 130%.  
3. For 6.6kV systems, 12kV fuses are recommended where possible in the interests of standardization.  
4. Wherever possible, 10 inch long FO1 fuses are offered rather than equivalent 14 inch FO2 types.  
5. The above recommendations are not generally applicable to transformers feeding motor circuits with starting currents in excess of the transformer full load current. In this event, please consult  
Cooper Bussmann.  
Catalog Numbers  
Basic Cat.  
Number  
Dimensional  
Breaking  
Voltage  
3.6kV  
3.6kV  
3.6kV  
7.2kV  
Ref. BS 2692 Amp Ratings  
Capacity (kA)  
OEFMA  
OEGMA  
OLGMA  
OEFMA  
OHGMA  
OEFMA  
OHFMA  
OHGMA  
OLGMA  
OEFMA  
OHGMA  
OLGMA  
OHGMA  
OEGMA  
FO1  
FO2  
FO2  
FO1  
FO2  
FO1  
FO1  
FO2  
FO2  
FO1  
FO2  
FO2  
FO2  
FO2  
6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200  
100, 125, 160, 200  
250  
80, 100, 112  
125, 140, 160  
6.3, 10, 16, 20, 25, 31.5, 40, 50, 63  
71, 80  
6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 71, 80, 90, 100  
125  
6.3, 10, 16, 20, 25, 31.5, 40, 50, 63  
71, 80, 90  
100  
6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 80  
6.3, 10, 16, 20, 25, 31.5, 40, 50  
50  
50  
50  
45  
45  
40  
40  
40  
40  
40  
40  
40  
35  
25  
Catalog Number Build-A-Code  
kV  
Basic  
Catalog Number  
Amps  
7.2kV  
12.0kV  
12.0kV  
12.0kV  
12.0kV  
15.5kV  
15.5kV  
15.5kV  
17.5kV  
24.0kV  
_ _ _ _ _ _ _ _  
_ _ _  
Contact Cooper Bussmann for complete specifications on medium voltage fuses.  
For product Data Sheets, visit www.cooperbussmann.com/products/datasheet.asp  
84  
1

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