Product data

electric gate operators
section 02829
D. Chamberlain / LiftMaster LA 400-S Residential Linear Gate Operator: Residential 24V
DC linear swing gate operator for master/second applications; second linear actuator arm;
junction box and direct burial cable; for open inside/close outside or open outside/close inside
operation of swing gates up to 550 lbs. (250 kg) and lengths to 16 feet (5 m) for each leaf.
1. Photo Eye: Chamberlain / LiftMaster CPS-UN4 Thru-beam Photo Eyes; safety
equipment is recommended by UL325 to protect entrapment areas. UL listed to UL325
standards and tested with LA 400-S operators; NEMA 4 rated; 45 ft (13716 mm) sensing
distance. Includes sending and receiving eyes, 2 ft (610 mm) cable leads and brackets.
2. Photo Eye: Chamberlain / LiftMaster 50-220 Thru-beam Photo Eyes; safety equipment
is recommended by UL325 to protect entrapment areas. UL listed to UL325 standards
and tested with LA 400-S operators; Weather-resistant; 30 ft (9144 mm) sensing
distance. Includes sending and receiving eyes and 2 hood/ brackets.
3. Loop Detector: Chamberlain / LiftMaster LD7LP Loop Detector; 10-30VAC/DC power
input; 1 Relay; 1 Channel; automatic frequency settings, automatic sensitivity levels; low
power current draw; compact size.
4. Hardware: Chamberlain / LiftMaster Elite Series Power Hinge; pair, double 5/8 (16
mm) ball bearings for smooth operation; 3/4 inch (19 mm) solid stainless steel shaft;
continuous cycle operation, self-lubricating/ no grease ttings; unique design so the gate
never hits the post.
a. Powerhinge: For use on steel gates with steel mounting posts; weight capacity
3,000 lb (1361 kg) per pair.
b. Powerhinge2: For use on aluminum gates with steel mounting posts; weight
capacity 1,000 lb (453 kg) per pair.
c. Powerhinge3: For use on aluminum gates with aluminum mounting posts;
weight capacity 1,000 lb (453 kg) per pair.
5. Mounting: Chamberlain / LiftMaster 50-19503 Push-to-Open bracket: Allows the gate
to swing out from the property.
6. Pedestals: PED42 Pedestal; 42 inches (1067 mm) high; mounts to pre-existing concrete
pad; 11 gauge steel construction; power coated black; 2 inch x 2 inch (51 mm x 51 mm)
square post; faceplate with universal hole pattern. Includes hardware.
E. UL Classification:
1. Conforms to Class I, when tested in accordance with UL325
2. Conforms to Class II, when tested in accordance with UL325.
3. Conforms to Class III, when tested in accordance with UL325.
4. Conforms to Class IV, when tested in accordance with UL325.
F. Operator: Low voltage 24V DC with variable speed soft start/stop with electronic limit switch
system that provides extended gate system life; provides a travel speed of 15 seconds to
provide a 90° opening for up to 100 cycles per day; left- or right-hand operation.
G. Operator Motor: 12V DC motor provides for varying number of operating cycles per day,
depending on available solar power; left- or right-hand operation.
1. Solar Power Supply: “Solar-3” 12V power system.
H. Battery Backup: The weatherproof control housing shall contain a standard, integral battery
backup system to automatically engage in the event of a power loss and auto-reset to normal