$145.20
This 90 amp circuit breaker is built for Hyster lift trucks and protects the electrical circuit it is wired into from overcurrent damage. When current draw exceeds its 90 amp rating, the breaker trips to break the circuit, then resets once the fault clears. It guards the wiring and connected components from the overcurrent damage the breaker is rated to interrupt.
Wired into a lift truck's electrical circuit, this 90 amp circuit breaker guards against overcurrent damage, tripping to open the circuit the moment draw climbs past its 90 amp rating and protecting the wiring and connected components from the heat an overload produces. Unlike a fuse, it resets once the fault clears, so it does not have to be replaced after every trip.
The 90 amp rating sets the threshold at which it interrupts the circuit, sized to the load it protects so it holds under normal draw but breaks before an overload can damage the harness or the device downstream of it. Repeated tripping points to a persistent fault or an undersized circuit rather than a failed breaker.
A circuit breaker can weaken with age and repeated trips, eventually nuisance-tripping below its rating or failing to hold, at which point it needs replacement. Match the amperage rating, mounting style, and terminal type to the original, since the breaker has to fit the panel and protect at the same threshold.
