489020R5 - S&C Electric 20E 138 kV SMD-2B Slow Power Fuse

489020R5

489020R5 is a S&C Electric 20E 138 kV SMD-2B Slow Power Fuse designed for high-voltage outdoor distribution and substation applications.

This fuse provides reliable, economical protection for transformers and capacitor banks with a nominal voltage rating of 138 kV. It features a slow-blow characteristic suitable for coordinating with system loads and transient conditions. The fuse is part of the SMD series, known for fast, positive fault interruption through high-speed arc elongation and efficient deionizing action within a solid-material-lined bore. It is rated for continuous current of 20 amperes and designed for mounting on panel or bushing mountings in outdoor substations. The fuse offers interrupting ratings consistent with S&C standards for high-voltage power fuses, ensuring safe operation under fault conditions.

• Part Number: 489020R5
• Manufacturer: S&C Electric
• Type: SMD-2B Power Fuse
• Voltage Rating: 138 kV nominal
• Continuous Current Rating: 20 amperes
• Speed: Slow (SMD-2B)
• Application: Outdoor distribution, substations
• Mounting: Panel or bushing mount compatible
• Interrupting Rating: High interrupting capacity per S&C specifications
• Fuse Series: SMD

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Specifications

• Part Number: 489020R5
• Manufacturer : S&C Electric
• Brand : S&C Electric
• Category : Fuse
• Item Subcategory : High Voltage
• Section : Fuse Link
• Type : SMD-2B
• Voltage : 138000
• Amperage : 20
• AIC rating : 8.75kA@138kV
• Class Rating : SMD-2B
• Velocity : Slow

Product Data

• Weight : 15