MA Series Specification

Catalog
Number
ANSI
Function
Outside/Inside
Name Description
MA621
F 08 /
F 10
Front Door / Apartment
Corridor
Latch bolt is operated by knob/lever from either side, except when
outside knob/lever is made inoperative by buttons in face. Dead bolt is
operated by turn inside. Key outside operates both bolts. Outside knob/
lever is unlocked by button on face.
MA641 NA Dormitory Lock
Latch bolt by knob/lever inside and key outside. Inside knob/lever
free. Outside knob/lever rigid. Deadbolt by key outside or T-turn inside.
Rotating inside knob/lever retracts both bolts. Deadlocking latch.
MA851 NA
Storeroom-Fail Safe (EL
- 12 & 24 VAC or VDC)
Latch bolt operated by knob/lever from either side except when outer
knob/lever is electrically locked. When outer knob/lever is locked, latch
bolt retracted by key in cylinder outside. Deadlocking latch.
MA881 NA
Storeroom-Fail Secure
(EU - 12 & 24 VAC or
VDC)
Latch bolt operated by knob/lever from inside except when outer knob/
lever is electrically unlocked, then latch bolt from either side. When
locked, key in cylinder outside retracts latch bolt. Deadlocking latch.
MA911 F 29 Classroom Dead Lock
Key from outside operates dead bolt. Turn from inside retracts but does
not project dead bolt.
MA921 F 18 Dead Lock Dead bolt operated by key from outside only.
MA931 F 16 Dead Lock Dead bolt operated by key from either side.
MA941 F 17 Dead Lock Dead bolt operated by key from outside and by turn from inside.
MA12 NA Single Dummy Single Dummy Trim
MA18 NA Double Dummy Double Dummy Trim
MA Series
Functions
MA Series
FUNCTIONS (CONTINUED)
10