2 items
Edwards Signaling 330 series adaptabel single stroke bells produce an individual, clearly defined note. When current is applied, the striker hits the gong once and stops. Coded, intermittent current may be used to cause the striker to hit the gong, pause and hit again for any given period. Ideal for use with momentary initiating contacts. Universal Adaptaplate mounts directly on surface or fits any single-gang box, 3 1/4" (83 mm), 3 1/2" (89 mm), or 4 " (102 mm) octagon box, or any plaster cover with mounting holes on 2 3/4" (70 mm) centers. 6" and 10" bells also mount on 4" (102 mm) square boxes. Specified for timing, scheduling, paging and general alarm applications. 4" (102 mm) sizes recommended for quiet office areas. 6" (152 mm) sizes for moderate noise level areas such as general factory areas. 10" (254 mm) sizes for loud areas such as heavy machine shops. Available with full cast grids and protective grilles.
2 items