Firewall

Replace surge arresters using
a hot stick within 30 seconds

Firewall is surge arrester system that enables the fast, easy, safe and cost-effective replacement of surge arresters, reducing opex costs and optimizing SAIDI and SAIFI levels.

Explanation Video

Benefits

Improves maintenance in 5 ways, lower losses in several areas showing
outstanding return on ivestments

OPEX COSTS REDUCTION
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Prevents the need for the worker to get close to the risk zone, allowing teams to execute the job from the ground with a hot stick

SAFENESS IMPROVEMENT

NO MAINTENANCE COSTS
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The devices do not require any maintenance on themselves over the 25 years lifespan period and do not increase any OPEX costs

Lower both the frequency and duration of outages, increase disponibility and reliability on power networks

SAIDI & SAIFI LEVELS IMPROVEMENT

Prevents the need for disconnecting the transformer to replace the arrester when the live line clamp is the same for all equipment

PREVENTS OUTAGES
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LABOR COSTS REDUCTION

Allows the arrester replacement job to be done by dead line teams, prevents the need of a truck, uses less equipment and fewer people

Allows the surge arrester replacement in less than one minute, equals to only 2,5% of the original job time

TIME SAVING

The surge arrester drops when expired, allowing
the inspector to easy glance and the management to control networks protection level

EASY GLANCE SIGNALING
PREVENT HIGH-VALUE LOSSES

Allows better control and increases protection against lightning, saving transformers, reclosers and voltage regulators

Real Case Installation