PHI Precision EM303-FSE-630-LHR Electric Mortise Lock Body Fail Secure

Chassis - Investment Cast Steel, Zinc Dichromated. Fits doors machined per ANSI A115.1 (Type 86) Mortise Lock preparation. Backset- 2-3/4". Case - Wrought Steel, Zinc Dichromate finish. Lock fron plate - 8" x 1-1/4" Bronze, Brass or Stainless Steel, pivots for beveled or square edged doors. Latchbolt - Stainless Steel, Deadlocking, 3/4" throw, anti-friction. Guardbolt - Stainless Steel, sliding type. Mortise Lock is furnished standard as Fail Secure (FSE). When power is off the trim is locked. Power is applied to unlock the trim. May be field converted to the Fail Safe (FS) mode. (FS) - power is applied to lock the trim. Finish: Satin Stainless Steel 630