122040-R3 - S&C Electric SMU-20 Fuse Unit 25E Amp 14.4kV Power Distribution

122040R3

122040-R3 is an S&C Electric SMU-20 fuse refill unit designed for power distribution applications at 14.4 kV nominal voltage with a 25E ampere rating.

The SMU-20 fuse unit delivers fast, positive fault interruption through high-speed arc elongation in a solid-material-lined bore and efficient deionizing action from gases generated by thermal reaction of the solid material. This design ensures rapid dielectric recovery voltage that matches transient recovery voltage severity of the circuit. The fuse unit is engineered to accommodate all anticipated loading levels, including daily and repetitive peak loads as well as emergency peak loads, without interrupting normal operation.

• Fuse Unit Type: SMU-20 Refill Unit
• Ampere Rating: 25E
• Voltage Rating: 14.4 kV Nominal, 17.0 kV Maximum
• Application: Outdoor Distribution and Substations
• Arc Interruption: Solid-material-lined bore with high-speed elongation
• Load Accommodation: Designed for peak-load capability without interrupting normal loading
• Compatible Mounting: SMD-20 Power Fuse Mountings
• Speed Characteristic: Available in multiple speed options for coordination with protective relays and other fuses

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Specifications

• Part Number: 122040R3
• Manufacturer : S&C Electric
• Brand : S&C Electric
• Category : Fuse
• Item Subcategory : Medium Voltage
• Type : SM-4
• Voltage : 14400
• Amperage : 25
• Class Rating : E
• Velocity : Standard

Product Data

• Weight : 2