S&C Electric 122001R3 - SM-4 Medium Voltage Fuse 14.4kV Class E (1A Current Rating)

S&C Electric 122001R3 is a medium-voltage SM-4 current-limiting fuse designed for reliable circuit protection in electrical distribution systems. It features a 14.4 kV voltage rating and 1 A current rating, providing precise overcurrent protection for sensitive equipment. The fuse utilizes a silver-sand construction within a durable ceramic body with standard velocity interruption characteristics and weighs 2 lb for robust performance. This Class E rated fuse complies with industry standards for medium-voltage applications, ensuring safe operation in demanding environments. Typical applications include protection of transformers, capacitors, and feeders in utility and industrial power systems.

Key Features & Specifications

• Type: SM-4 current-limiting fuse with silver-sand construction and ceramic body
• Voltage Rating: 14,400 V AC
• Current Rating: 1 A
• Dimensions: Standard SM-4 configuration
• Standards: Meets industry standards for medium-voltage fuses
• Applications: Transformer protection, capacitor banks, feeder circuits
• Switch Type: Not applicable
• Configuration: Current-limiting
• Coil Voltage Maximum: Not applicable
• Temp Rating: Standard operating temperature range
• Shipping Dimensions: Standard SM-4 package
• Phase: Single
• Voltage: 14,400 V
• Amperage: 1 A
• AIC rating: High interrupting capacity
• Connection: Standard fuse clip
• Poles: Single
• Protection: Overcurrent and short-circuit
• Functions: Circuit interruption
• Frame Size: SM-4
• Trip Type: Current-limiting
• Panel Type: Not applicable
• Breaker Type: Not applicable
• Control Voltage Minimum: Not applicable
• Control Voltage Maximum: Not applicable
• MCM Size: Not applicable
• Metal Type: Silver element
• Panel Style: Not applicable
• Bus Type: Not applicable
• Fuse Class: E
• Insulation Temperature: Standard rating
• Inductance: Minimal
• Impedance: Current-limiting design
• Barrels: Ceramic
• Class Rating: E
• Diameter: Standard SM-4 dimensions
• Velocity: Standard interruption
• Clip Center: Standard spacing
• Class: E
• Mounting: Fuse clip
• Hz: 50/60 Hz
• Coil Material: Not applicable
• Horse Power: Not applicable
• Aux Contacts: Not applicable
• CPT: Not applicable
• Full Load Amps: 1 A
• Dist Voltage: 14,400 V
• Bucket Size: Not applicable
• Bucket Style: Not applicable
• Bucket Type: Not applicable
• Full Load Amp Maximum: 1 A
• Full Load Amp Minimum: 1 A
• Enclosure: Not applicable
• Relay Style: Not applicable
• Coil Voltage Minimum: Not applicable
• Wire: Not applicable
• Amperage Maximum: 1 A
• Amperage Minimum: 1 A
• Nema Rating: Not applicable
• Switch Style: Not applicable
• Wire Size: Not applicable
• Certification: Industry standards compliant
• Circuit Breaker Mounting Style: Not applicable
• Terminal Connection: Standard fuse clip
• Frequency Rating: 50/60 Hz
• Phase Connection: Single phase
• Standards: Industry medium-voltage standards
• Compatible Frames: SM-4 compatible equipment
• Installation Type: Fuse clip mounting
• Item QTY: Single unit
• Nema Starter Size: Not applicable
• Breaker Frame: Not applicable
• Current Rating: 1 A
• Reverse Standoff Voltage: Not applicable
• Watts: Low power loss
• Peak Pulse Current: High withstand capability
• Breakdown Voltage (MIN VBR@IT) (V): Exceeds 14,400 V
• Breakdown Voltage (VBR@IT) (V): Exceeds 14,400 V
• Polarity: Not applicable
• Operating Temperature Maximum Celsius: Standard rating
• Max Clamp Voltage: 14,400 V
• On-State Current: 1 A