Electrical interlock. Rugged steel construction and plated finish. Solenoids are rated for continuous duty and will stand up under heavy industrial use. Packaged complete with a solenoid assembly, strike plate or bracket and instructions for field installation. Mount on the inside of the enclosure door using the same screws which hold the door handle in place. The strike plate attaches to the existing latch assembly. Interlocks fit in most Hoffman custom enclosures and boxes which have doors or covers hinged similar to doors or covers on the preceding enclosures. Handles and latch mechanisms are not included.