SEA Half-Tank 24VDC Dual Kit Hydraulic Swing Gate Opener 104HT24ACDPW with Pre-wired Metal Enclosure | SEA-104HT24ACDPW


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Low voltage 24V hydraulic swing gate operator for condominium use. Max leaf length up to 1100 lbs. or 16 feet.



SEA Half-Tank 24VDC Dual Kit Hydraulic Swing Gate Opener 104HT24ACDPW with 20 x 16 x 5 Pre-wired Metal Enclosure and accessories, for gates up to 1100 lbs. & 16 feet (Max Cycles 70 Per Hour)

Please Note: The sea half tank 24VDC (#10403005) swing gate opener has been re-engineered with brushless technology and upgraded with the sea Ungated Inverter Board. Inverter Technology will improve torque, speed, and voltage fluctuation as well as do away with the need for capacitors. In addition, extra relays will be included as well as a built-in timer! The new and improved brushless model " SEA Half Tank 36VDC Brushless" will be available starting 11/2020.

Low voltage 24V hydraulic swing gate operator max leaf length up to 16,5 Ft.

Included in Kit:

  • 2 Hydraulic operators HALF TANK 24V
  • 1 Control unit USER2 PRE-WIRED with RF UNI 433 MHz plug-in receiver
  • 2 Lady Bug 433 MHz transmitters
  • 1 Pair of SUNSET photocells
  • 2 Warning signs

WARNING: Positive stops are not included in the kits, they should be requested separately

SPECIAL Feature: SEA Gate Openers are all equipped with an on-board built-in Safety Buzzer that can be activated to alert you when the gate opener is moving or obstructed.


  • Hydraulic operator with lock in opening and closing (AC)
  • Force and slowdown adjustment on USER 2 - 24V DG HYDRO control unit
  • High anti-crushing safety
  • Emergency batteries and solar panel SUNNY KIT (optional)
  • 0.8 inches rod diameter
  • Piston stroke 10.6 inches
  • Integrated linear encoder for the best setting on reverse and position management
  • Low consumption motor
  • Standard aluminum oscillating back fixing fork

What Separates SEA Hydraulic Gate Openers From The Competition?

*Extremely silent operation.
*Superior in quality.
*UL Compliant / CSA Certified for the US Market.
*Operators' body made of Aluminum, inside components made of high-grade material such as brass locks, metal distributor, etc.
*New UNIGATE Inverter board provides a better operation to any of SEA's hydraulic operators...

  • Adjustable speed
  • Adjustable acceleration and deceleration
  • Continuous duty
  • Adjust torque
  • Better protection from electrical surge, etc.

*SEA is the only brand with Industrial Hydraulic Swing Gate Operators with our Super Full Tank Line for swing gates up to 40 Ft or 5,500 Lbs.

*Commercial / Industrial operators have the option of external hydraulic pump.

*A variety of hydraulic swing arms for residential, commercial and industrial use.

*Battery Backup option for all AC (120V - 240V) operators.

*SEA hydraulic in-ground operators have wider cylinder and stronger body structure; steel housing with option for stainless steel.

*SEA sliding gate line includes commercial and industrial operators with motors and gears in Hydraulic Oil Bath; available options in chain #40 or rack.

This Hydraulic Gate Operators (as well as all gate operators) MUST be installed by a professional and experienced installer. This model contains a pre-installed screw to be intact during transport so the oil does not leak. The screw must be removed prior to gate operation as failure to remove will cause damage to the gate operator and void warranty.


SEA Half-Tank Kit 24VDC Hydraulic Swing Gate Operator Specifications

SEA Half-Tank 24VDC Dual Kit:

  • Power supply: 120V or 220V
  • Power Consumption (W): 40 W
  • Operating T° range (F°): -4°F to 131°F*
  • Opening time 90° (sec): 12 sec
  • Cycles/hour: 70
  • Duty: commercial-industrial
  • Protection class: IP55
  • Max leaf length: 16,5 Ft
  • Max leaf weight: 1.100 Lbs
  • Max opening angle (degrees): 90°/120°
  • Maximum force output: 640 daNm
  • Anti-crushing protection: by pass / electronic
  • Linear encoder: POSITION GATE
  • Slowdown: hydraulic
  • Battery backup: STAR 1000

SEA USER 2 24V DG Digital Control Unit:

  • Pre-wired metal enclosure 20 x 16 x 5
  • 24V Led warning lamp
  • Version with rectifying jumper on board
  • Adjustable slowdown in opening and closing
  • Working times self-learning
  • Programming through JOLLY 3 palm also
  • Low consumption in standby
  • Prepared for encoder management

SEA Sunset Photocell Specification:

  • Synchronized IR photocell for surface mounting
  • 15m/ 49 feet range
  • Installation on wall or PILAR pillar
  • Operation temperature -15°C to +60°C / 5° F to 141°F
  • 12V-24V power supply
  • IP 55 Protection class
  • Size: h 85x57x32 mm / h 3.1x1.9x1.8 in

SEA LadyBug (Red) Remote Control & Receiver with Copy Code Technology:

  • Transmitter fixed code
  • 433 MHz Frequency
  • Cloning function
  • 4 channels
  • 12V alkaline battery
  • Long range thanks to an antenna of big dimensions
  • Signalization led
  • Silicon buttons Version to be combined with a UNI receiver
Product Literature

SEA Half-Tank Kit 24VDC Hydraulic Swing Gate Operator Manuals

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