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Tri-Onic RK5 current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits.

Fuse holders for Mersen's Class CC High Interrupting Rating Time Delay and Fast Acting compact fuses

Mersen offers a line of reliable UL508 and UL98 fused and non-fused disconnect switches.

Any facility with motors stopping and starting, light load panels being turned on and off frequently, and other potential power disturbances is at risk for damage caused by a surge spike. Turn to Mersen Surge-Trap for surge protection that covers every voltage need within your facility.

DQS series fuses are specifically designed to reduce the I2t, peak let-through current, and arc voltages during fault conditions to protect applications such as battery charging systems and other DC components like relays and contactors.

The MDC Series incorporates proven fuse technologies which provide optimal current limitation while achieving maximum performance.

Designed with the industry leading Mersen TPMOV® Technology, NEMA UL SPD meets requirements for UL1449 5th Edition.

Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection, and are designed to withstand the transformer magnetizing inrush current.

Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection, and are designed to withstand the transformer magnetizing inrush current.