
Series 1500K - Electric Exit Devices
1550K-MD Motor Latch Retraction

Features
- Simultaneous electric latch retraction and dogging (pushbar depressed)
- UL listed for both panic and fire exit hardware
- Available for mortise, rim, concealed and surface vertical rod exit devices
- Field or factory installed
- Quiet operation
- Continuous duty rated
- Low power consumption
- 24VDC operation
- Interface with life-safety systems
- Non-polarized leads
- On-board diagnostic LEDs
- Automatic retry
ACSI Series 1550K-MD Motor Latch Retraction modification/kit provides a remote means of locking or unlocking exit devices.











Model | Manufacturer's Series | Documentation |
---|---|---|
1550K-MDV | Von Duprin 33A/35A, 98/99 | |
1550K-MDV22 | Von Duprin 22 | |
1550K-MDC | Corbin Russwin ED4000, ED5000 Yale 7000 | |
1550K-MDD | Dorma 9000 | |
1550K-MDT | Hager 4500, 4600 PDQ 6200 DormaKaba Commercial Hardware QED100, QED200 | |
1550K-MDO | Falcon 1690, 1790 First Choice 3600, 3700 | |
1550K-MDS | Sargent 80 Arrow 1000, 3000, 4000 | |
1550K-MDP | Precision 2000, 5000 | |
1550K-MDF | Falcon 24, 25 | |
1550K-MDH | Design Hardware 1000, Marks M9900 | |
1550K-MDY | Yale 6000 | |
1550K-MDX | Dorex 9500 | |
1550-MDA | Adams Rite 3000, 8000 (not available as a field installable kit) | |
1550-MDR | Regent 5700 (not available as a field installable kit) | |
1550-MDJ | Jackson 20 (not available as a field installable kit) | |
1550K-MD | 1550K-MD Latch Adjustment Video Door Preparation Template Common to All ACSI Electric Exit Devices |