The Aluma-Form "HOS" switches are a best in class design that is a simple and reliable. Our hookstick operated disconnects feature the following:
Silver plated blade assembly that provides superior electrical conductivity
Blade design that provides mechanical rigidity
Silver plated contact designed to maintain contact pressure
Positive latch, effective pry-out mechanism
Precision formed hinge terminal for low resistance connection
Integral 90° blade stop
The Aluma-Form "HOS" Disconnect Switch is a single-phase hookstick operated switch for manual switching of overhead lines on electrical distribution systems up to 38kV. Our HOS switches have ratings for 600 or 900 amps continuous, 40,000 amps momentary and 25,000 amps sym. 1-seconds short-time withstand.
All Aluma-Form "HOS" disconnect switches include loadbreak hooks which are for use with a loadbreak tool for opening the switch under load. WARNING: To open the switch under load, use only an approved loadbreak tool and refer to the tool manufacturer for instructions. Silver-plated blades and contacts enhance efficient current transfer.