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TMOV34S Thermally Protected Varistor – Littelfuse

It consists of a 34mm square format varistor element ( MOV) with an integral thermally activated element designed to open in the event of overheating due to abnormal over-voltage, limited current conditions as outlined in UL1449.

TMOV34S Thermally Protected Varistor – Littelfuse

The device has a third lead, an indicator lead, which may be used to indicate that the MOV has been disconnected from the circuit.

TMOV34S Thermally Protected Varistor - Littelfuse

The integrated configuration also offers lower inductance than most discreet solutions resulting in improved clamping performance to fast over voltage transients.

from Littelfuse

Mersen – Materials and Electrical Technologies

Mersen is a leader in electrical specialties and graphite-based materials. They provide sophisticated graphite products for the semiconductor fab process. They have power electronics components like cooling devices, busbars and semiconductor fuses.

Mersen – Materials and Electrical Technologies

They offer advanced materials for extreme industrial environments. These are like graphite, reactive metals, ceramics and polymers. They also manufacture polysilicon used in photovoltaic panels and have products and solutions for semiconductor fabrication.

Their products contribute to the safety and reliability of products like motors and generators which are important inn the areas of Energy Generation and Distribution.

Surge protection components

History – 1950 Le Carbone Lorraine takes over the worldwide distribution of products for Ferraz, an industrial fuse manufacturer based in Lyon.

Ferraz Shawmut – Power Components (now part of Mersen)

Industrial fuses, circuit protection, power interconnection, thermal management used in areas of power quality, power conversion, industrial controls.(Earlier Record in delabs)