Circuit Breaker Boots — Half-Toggle Boots (toggle actuator protrudes) – IP66/68 Rated
HEXSEAL® and E-SEEL® sealing boots for toggle-actuated style circuit breakers are molded from a high tear-strength silicone rubber bonded to a built-in mounting nut. Each encloses the base of the protruding circuit breaker bushing and forms a watertight and dust-tight seal against the front panel surface.
HEXSEALS: Silicone rubber conforms to ZZ-R-765 Class III, Gr. 60 unless otherwise specified
E-SEELS: Silicone rubber polymer type ASTM D1418
HEXSEALS: Brass, nickel-plated
E-SEELS: Brass, black-oxide
HEXSEALS: -94°F to +400°F (-70°C to +204°C)
E-SEELS: -80°F to +400°F (-62°C to +204°C)
NEMA/UL/ULC Types 1, 2, 3, 3S, 3R, 4, 4X, 6P, 12, 13; IEC IP66/IP68
Exceeds 15 psi internal and 1500 psi external
50,000 actuations (minimum)
Excess of 25 years
Salt spray, UV, sunlight, ozone, weather, fungus, and most acids and lubricating oils
Most HEXSEALS meet MIL-B-5423 (see selection charts)
UL & ULC Recognized to UL Std. 50
*APM’s policy is to manufacture our HEXSEAL® sealing boots as defined by the requirements of MIL-Spec B-5423 which we regard as the standard for the switch, circuit breaker and potentiometer industry. These requirements were formulated based on our original patent.