Description
Fadini K740.1L COMBI 740 Underground Hydraulic Gate Kit | VIX 53 System
Overview
Automating exposed timber or wide ornamental steel gates introduces significant structural challenges; intense wind resistance and heavy frame deadweight place massive leverage strain on above-ground electromechanical arms. The Fadini COMBI 740 K740.1L system addresses this by shifting the physical load down to the driveway floor. Because the hydraulic fluid cushion absorbs sudden wind buffeting or physical forcing, the system protects your gate hinges and surrounding masonry pillars from structural fatigue.
The K740.1L variant is specialized to maintain constant, firm pressure throughout its travel path, making it highly effective for solid-faced gates that require a reliable push through high winds. Management is handled externally by the legendary Elpro 27 Control Unit. To safeguard your home’s entry points from digital vulnerabilities, the VIX 53 radio receiver modules plug directly into the main control panel board. Every command uses a unique algorithmic signature that scrambles instantly, neutralizing code-grabbing devices used by modern intruders.
Key Features
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Submersible IP67 Build Quality: The combined pump-jack assembly is completely protected within an airtight, die-cast casing, housed inside heavy-gauge, zinc-coated steel foundation boxes designed to handle ground acidity.
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Adjustable Thrust By-Pass Valves: Built-in high and low-pressure mechanical adjustment screws allow your installer to easily calibrate maximum dynamic force to meet strict European safety standards.
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Heavy Pressed Emergency Release: Includes robust left and right-handed manual release linkage systems made of pressed steel, allowing quick manual disengagement via an ergonomic manual spanner during power outages.
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Intensive Duty Cycle Rating: Engineered for very intensive operations, utilizing Fadini’s specialized 708L fluid medium to prevent thermal breakdown over constant, back-to-back cycles.
Complete Kit Components
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1x Left-Hand COMBI 740 Operator (7677BB3SXL): 230V AC, 110° Rotation, High-Pressure Double Locking.
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1x Right-Hand COMBI 740 Operator (7677BB3DXL): 230V AC, 110° Rotation, High-Pressure Double Locking.
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2x Zinc-Coated Heavy Steel Foundation Enclosures (754L): Subterranean mounting boxes with reinforced drive plates.
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1x Elpro 27 Advanced Logic Control Board (7047L): Multi-functional microprocessor control unit.
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1x VIX 53/2 R Plug-In Radio Card (531L): High-security 868.19 MHz rolling-code receiver.
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2x VIX 53/4 TR 4-Button Remote Transmitters (5313SL): Modern, multi-channel pocket fobs with confirmation feedback.
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1x Birio A8 Tuned Radio Antenna (4605L): Extends remote range around thick stone entry pillars.
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1x Pair of Orbita 57 Safety Photocells (570L): Active infrared beams to prevent gate closures on obstructions.
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2x Manual Emergency Release Brackets (748SXL / 748DXL): Left and right release linkages with override keys.
Technical Specifications
| System Attribute | Engineering Specification |
| Kit Model Code | K740.1L (Double Locking 110° Version) |
| Radio Control Encryption | Fadini VIX 53 Rolling-Code Protocol (868.19 MHz / 128-Bit Algorithm) |
| Power Input / Supply | 230V AC (50Hz) |
| Absorbed Power Consumption | 250 W |
| Power Yield Performance | 0.18 kW (0.25 HP Industrial Motor) |
| Drive Rotation Angle | 105° – 110° Standard Shaft Arc |
| Locking Configuration | Irreversible Double Hydraulic Locking (Open & Closed positions) |
| Output Torque Range | 250 Nm to 400 Nm (High-Torque Push) |
| 90° Travel Cycle Time | Approximately 23 seconds |
| Environmental Ingress Rating | IP67 (Fully Submersible Waterproof Casing Seal) |
| Hydraulic Fluid Medium | Genuine Fadini Fluid / 708L Low-Viscosity Oil |
| Operating Heat Threshold | Suitable for temperatures between -20°C up to +80°C |
| Duty Cycle Frequency | Very Intensive / Continuous Commercial Frequency |
Trade Installation & Capacity Matrix Warning
Pro Tip: Because the K740.1L kit features full double hydraulic locking without internal fluid slow-downs, the gates must be structurally sound. Adjusting the slowing zones electronically inside the Elpro 27 board is highly recommended to protect your gate hinges from sudden stops at the end of the travel cycle.
The Structural Law: While the raw hydraulic jack can move up to 700kg, this maximum capacity is strictly rated for gate leaves up to 1.0 meter wide. As the physical leverage length increases, your safe operational weight limits drop to manage rotational inertia:
1.0 Meter Width: Max weight capacity = 700kg per leaf
2.0 Meter Width: Max weight capacity = 400kg per leaf
3.0 Meter Width: Max weight capacity = 300kg per leaf
Exceeding these limits can cause internal pressure blow-by across the safety bypass valves, resulting in erratic gate movement or premature wear on the internal drive splines.




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