SL540 Slide Gate Operator (medium duty)
Light-duty chain-driven operator for use on commercial applications
This gate operator has been designed to deliver years of dependable performance and offers many built-in conveniences, such as dual gate operation, inherent and external obstruction sensing, control inputs for external devices and much more. The SL 540 is designed to support gates up to 30 feet in length and weighing up to 900 pounds.
2-Year Warranty
Gate logic board provides many enhanced and exclusive features
- Fully Adjustable Inherent Obstruction Detection System
- Advanced Dual Gate Operation
- Sequenced Access Management (SAM) System
- Industrial Surge and Spike Protection
- Digital Logic Control Allowing for Long Control Lines of Over 1,000 Feet
- Separate Open and Close External Sensor Inputs
- 17 LEDs to Ease Installation and Speed Diagnostics

Specifications
Operator speed - 12 inches per second
Power: - 115/230 VAC, Single phase - 60 Hz
Operator weight - 225 pounds
Accessory power - One 24 VAC
UL listed - UL991; UL325 Class I, II, III, IV

Construction:
Belt/chain reduction:
First stage 3.5:1 - Belt reduction &
Second stage 5.3:1 - Chain reduction
Motor: 1/3 to 1/2 HP continuous duty motor
Metal frame: 10 gauge steel
Enclosure: weather resistant, lockable, 16-gauge steel
Chain: #40 nickel plated (20 feet supplied)

Optional equipment:
- Plug-in Loop Detectors
- Thermostat-Controlled Heater

Recommended Capacities
HP Max gate weight Max gate width
(overhead) Max gate width
(cantilever) Cycles
per hour
1/3 550 lbs. 24 ft. 16 ft. 30
1/2 900 lbs. 30 ft. 20 ft. 30

Standard Features
inherent obstruction sensing
This unit's internal obstruction sensing system offers a single force adjustment for both the open and closed directions. If the gate strikes an obstruction, a closing gate will reverse to open and an opening gate will reverse to close.
external obstruction sensing
Input connections are provided for external contact and non-contact sensors, such as photo eyes and edge devices.
advanced dual gate operation
This convenient 2-wire system allows the operation of 2 separate gate operators in unison at a single entrance. This advanced system provides the added convenience of connecting accessories to either operator.
sequenced access management
The sequenced access management (SAM) system provides the capability to sequentially control the operator in tandem with a barrier gate.
digital logic control
Supports long-distance control wiring runs of over 1,000 feet, providing you greater flexibility of gate operator site placement.
LED indicators
Operator input, status and diagnostic LEDs simplify setup and troubleshooting.
warning device
UL325-compliant entrapment warning alarm has the ability to be set for pre-operation warning. This will provide a 3-second warning prior to and during gate movement.
loop detector inputs
A full range of inputs are available to support exit, shadow and interrupt loop detectors.
timer to close
Adjustable timer can be set from 1 to 180 seconds. The unit will automatically reset upon receiving any additional open commands.
maximum run timer
Protects against damage to the gate and operator by limiting the unit's run time to 120 seconds.
emergency stop button
This 1-button station will halt movement of the operator in an emergency situation and comes standard in an outdoor weather- tight enclosure.
maglock control
A dedicated control relay is provided to activate and deactivate an optional magnetic lock for securing the gate.
control inputs
Control inputs allow the connection of a full range of optional external devices like loop detectors, telephone entry systems, access control systems and radio receivers.
mechanical braking
The mechanical braking system adds substantial gate position control at all points in travel. This solenoid-actuated brake system also prevents the gate from being back-driven.
limit settings
All driven limit nuts switches are fully adjustable, adding considerable convenience to unit installation and maintenance.
surge & spike protection
Specially designed circuitry provides excellent protection from external spikes or surges.
manual disconnect
Ensures that manual operation is possible during emergencies and maintenance work.