120M Motor-Operated Deadlatch
The 120M is a motor operated pin tumbler lock designed for a variety of swing door applications such as inmate rooms, housing and dayroom perimeter doors, corridors and exterior doors.
Operation Details
The 120M deadlatch is a motor operated lock. When the door is in a locked closed condition, the latch bolt is deadlocked preventing the latch bolt from being retracted. Once the motor is energized, the deadlatch is lifted and the latch bolt is allowed to retract, unlocking the lock. The motor is equipped with a motor switch that allows for a full cycle operation. Full cycle (M) operation uses a momentary contact switch to rotate the motor 360 degrees and unlock the lock.
Once the door opens, the latch will project and the lock will return to a locked condition once the door is closed. Full cycle typically uses the “Mechanical Holdback” feature which allows the bolt to be retracted until the door opens. The deadlock indicator switch provides monitoring of the deadlocked condition as well as the full projection of the latch bolt.
120M Motor-Operated Deadlatch
Operation
Latch retracts by momentary switch action or latch may remain retracted by continuous duty motor.
Choice of Function:
Mechanical Holdback (Standard) - Once unlocked, the latchbolt is held retracted until the door opens. The latchbolt then projects and allows the door to be
slammed and relocked.
OR
Non-Holdback (Optional) - Latchbolt retracts only through the full cycle operation.
Optional Features
Knob Release (Optional) - Opposite side of cylinder provides retraction of latchbolt at any time.
Local Electric Key (Optional) - Inmate key operates lock electrically. Master key operates electrically and mechanically. May be disabled from a remote control panel.
Cylinder Extension (Optional) - Available in 3", 5" or custom length.
120M Motor-Operated Deadlatch
Standard Features
- 120 VAC or 24 VDC Motor
- 1” Throw Latchbolt
- Mechanical Holdback Full Cycle
- Deadlock Indicator Switch
- Heavy Duty Construction
- Corrosive Resistant Parts
- External Mounting Holes
- Manual Key Release
- Easy Wiring Field Plug
- Investment Cast Strike Plate
- Field Plug Connector
Component Specifications
- Motor - 120 VAC 60 Hz or 24 VDC
- Reinforced Backplate - 1/2” Investment Cast Stainless Steel
- 10 Gauge Steel - Zinc Plated Case & Cover
- Latchbolt - Two Hardened Pin Inserts
- Rollerbolt - Stainless Steel Roller
- Strike - Investment Cast Stainless Steel
- Deadlock Lever - Investment Cast Stainless Steel
- Operating Lever - Zinc Plated Steel
- Springs - Stainless Steel
Keying
(See Handing Chart)
RELATED PRODUCTS
120E Solenoid-Operated Deadlatch
The 120E is a solenoid operated pin tumbler lock designed for a variety of swing door applications such as inmate rooms, housing and dayroom perimeter doors, corridors and exterior doors.
Operation Details
The 120E deadlatch is a solenoid operated lock. When the door is in a locked closed condition, the latchbolt is deadlocked preventing the latchbolt from being retracted. Once the solenoid is energized, the deadlatch is lifted and the latchbolt is allowed to retract, unlocking the lock. The deadlock indicator switch provides monitoring of the deadlocked condition as well as the full projection of the latchbolt. When ordering, the lock needs to be specified as having “Mechanical Holdback”, which allows the bolt to be retracted until the door opens, or specified as “Non-Holdback”, which only holds the latchbolt back as long as the solenoid is energized. The lock may be unlocked for an extended period of time by use of a maintained-contact switch.
120MC Motor-Operated Deadlatch
Operation Details
The 120MC deadlatch is a motor operated lock. When the door is in a locked closed condition, the latchbolt is deadlocked preventing the latchbolt from being retracted. Once the motor is energized, the deadlatch is lifted and the latchbolt is allowed to retract, unlocking the lock. The motor is equipped with a motor switch that allows for a half cycle operation. The half cycle (MC) operation uses a two position switch. The 1st switch position rotates the motor half way and unlocks the lock. The lock will remain unlocked until the 2nd switch position rotates the lock and returns to a locked condition with the latch projected, once the door is closed. Half cycle uses “Non-Holdback”, which holds the bolt back only during the half cycle position. The deadlock indicator switch provides monitoring of the deadlocked condition as well as the full projection of the latchbolt.
51E Solenoid-Operated Deadlatch
Operation Details
The 51E deadlatch is a solenoid operated lock. When the door is in a locked closed condition, the latchbolt is deadlocked preventing the latchbolt from being retracted. Once the solenoid is energized, the deadlatch is lifted and the latchbolt is allowed to retract, unlocking the lock. The deadlock indicator switch provides monitoring of the deadlocked condition as well as the full projection of the latchbolt. When ordering, the lock needs to be specified as having “Mechanical Holdback”, which allows the bolt to be retracted until the door opens. or specified as “Non-Holdback”, which only holds the latchbolt back as long as the solenoid is energized. The lock may be unlocked for an extended period of time by use of a maintained-contact switch.
51M Motor-Operated Deadlatch
Operation Details
The 51M deadlatch is a motor operated lock. When the door is in a locked closed condition, the latchbolt is deadlocked preventing the latchbolt from being retracted. Once the motor is energized, the deadlatch is lifted and the latchbolt is allowed to retract, unlocking the lock. The motor is equipped with a motor switch that allows for full cycle operation. Full cycle (M) operation uses a momentary contact to rotate the motor 360 degrees and unlock the lock. Once the door opens, the latch will project and the lock will return to a locked condition once the door is closed. Full cycle typically uses the “Mechanical Holdback” feature as described below. The deadlock indicator switch provides monitoring of the deadlocked condition as well as the full projection of the latchbolt. When ordering, the full cycle lock is usually specified as having “Mechanical Holdback”, which allows the bolt to be retracted until the door opens.