LCN 4040SE-3210.689 Single Point Hold Open SE Transformer Powder Coat, US28/689 Aluminum Finish 

• Standard 4040SE series closer shipped with a standard arm, 24V or 120V (please specify) SE track, standard cover, and wood and machine screw pack. SEL tracks are optional.
• Non-sized cylinders for interior doors to 4'0".
• Hold-open force is adjustable.
• Momentary on/off switchboard assembly for testing door release also provides over-voltage protection. Field replaceable.
• Functions as a full rack and pinion closer when hold-open is not engaged or current is interrupted.
• Closer mounts on either push or pull side of the door.
• Non-handed for mounting on either right or left-hand door.
• Concealed or surface wiring.
• Interfaces with alarm systems. Consult the factory for full details.
• Standard or optional custom powder coated finishes on cover and arm.
• Optional plated finishes