Description:
British Standard VT fuses with low current ratings for use in voltage transformers or operating transformers to provide isolation of the associated system in the event of faults in the transformer circuit.
British Standard VT fuses with low current ratings for use in voltage transformers or operating transformers to provide isolation of the associated system in the event of faults in the transformer circuit.
Ratings:
E-Rated: See single asterisk in Basic Catalog Numbers table
Volts: 3.6-38kV
Amps: 2-15A
IR: 25-80kA
Agency Information:
BS2692-1 and IEC60282-1
BS2692-1 and IEC60282-1
Features and Benefits
• Physically dimensioned for retrofitting in existing hardware.
• Space saving size.
Typical Applications
• Medium Voltage Potential Transformers
• Small Medium Voltage Service Transformers
Basic Catalog Numbers for “AB” & “AM” Series
Recommended fuse clip for 1 diameter fuses – A3354705.
Basic Catalog Numbers for “CAV” Series
Basic Cat. Numbers | Volts | Amp Ratings | Type | Dimensions - in (mm) | IR | |
Length | Diameter | |||||
3.6ABWNA3.15, 3.6ABWNA6.3 | 3.6kV | 3.15, 6.3 | AB | 5.6 (142.2) | 1 (25.4) | 50KA |
3.6ABCNA3.15, 3.6ABCNA6.3, 3.6ABCNA10 | 3.6kV | 3.15, 6.3, 10 | AB | 7.69 (195.3) | 1 (25.4) | 50KA |
5.5ABWNA0.5*, 5.5ABWNA1*, 5.5ABWNA2*, 5.5ABWNA3*, 5.5ABWNA5* | 5.5kV | 0.5, 1, 2, 3, 5 | AB | 5.6 (142.2) | 1 (25.4) | 50KA |
5.5AMWNA0.5*, 5.5AMWNA1.0*, 5.5AMWNA2.0*, 5.5AMWNA3.0*, 5.5AMWNA4.0*, 5.5AMWNA5.0* | 5.5kV | 0.5, 1.0, 2.0, 3.0, 4.0, 5.0 | AM | 5.6 (142.2) | 0.81 (20.6) | 50KA |
7.2ABWNA3.15, 7.2ABWNA6.3 | 7.2kV | 3.15, 6.3 | AB | 5.6 (142.2) | 1 (25.4) | 45KA |
7.2ABCNA3.15, 7.2ABCNA6.3 | 7.2kV | 3.15, 6.3 | AB | 7.69 (195.3) | 1 (25.4) | 45KA |
12ABCNA3.15 | 12.0kV | 3.15 | AB | 7.69 (195.3) | 1 (25.4) | 45KA |
15.5ABFNA3.15 | 15.5kV | 3.15 | AB | 10.00 (254) | 1 (25.4) | 32KA |
17.5ABGNA3.15 | 17.5kV | 3.15 | AB | 14.13 (358.9) | 1 (25.4) | 35KA |
24ABGNA3.15 | 24.0kV | 3.15 | AB | 14.13 (358.9) | 1 (25.4) | 25KA |
36ABGNA3.15** | 36.0kV | 3.15 | AB | 14.13 (358.9) | 1 (25.4) | 31.5KA |
Type CAVH are fitted with a striker pin for indication.
* E-Rated fuses
**For clean indoor applications only.
Recommended Fuse Clips: 1” dia. - A3354705, 1.63” dia. - 1A0835, .819 dia. - 1A1837
Contact Cooper Bussmann for complete specifications on potential transformer fuses