Description
S&C Electric Company SMU-20 25kV 5E Meduim Voltage Power Fuse – Model 613005
TCC Reference: 153-2
The S&C SMU-20 25kV 5E Power Fuse (Model 613005) is a high-performance, current-limiting power fuse designed to provide reliable overcurrent protection for distribution transformers, capacitor banks, and other medium-voltage equipment operating at 25kV class systems. Manufactured by S&C Electric Company, this fuse utilizes advanced current-limiting technology to rapidly interrupt high fault currents, minimizing equipment damage and ensuring safe system operation.
Key Features:
Voltage Rating: 25kV
Current Rating: 5E amperes
Interrupting Rating: Up to 50,000 A symmetrical (depending on application and system configuration)
Fuse Type: Current-limiting power fuse
Time-Current Characteristic Curve: TCC 153-2 – enables precise coordination with upstream and downstream protective devices
Model Number: 613005
Mounting Type: Compatible with S&C mountings and standard indoor/outdoor distribution fuse holders
Applications: Suitable for pad-mounted and pole-mounted transformers, capacitor banks, and other substation equipment
Benefits:
Fast and reliable fault interruption reduces equipment stress and potential outages
Excellent coordination capability with other protective devices using standardized TCC curves
Compact and robust design ensures long service life and low maintenance
Tested and certified to meet applicable ANSI/IEEE and IEC standards
Common Applications:
Utility distribution systems
Industrial and commercial power systems outside of Ontario, Canada
Renewable energy interconnections
Substation transformer protection



