FAAC 844 R 380V MC 3PH Sliding Gate Operator

KTI02006002844R

Product Description

The FAAC 844 R 380V MC 3PH is an industrial-grade three-phase electromechanical gearmotor designed for intensive automation of heavy commercial and industrial sliding gates.

Make/Brand: FAAC
Model: 844 R 380V MC 3PH (844 R 3PH)
Operating Voltage: 380-415V~ 3PH+N (50/60 Hz)
Motor Rating: Asynchronous three-phase 4-pole motor, 950 W maximum power
Max Leaf Weight: 2,200 kg (Z12 pinion), 1,800 kg (Z16 pinion), 1,000 kg (Z20 pinion)
Max Leaf Width: 30 m (Z12 pinion), 40 m (Z16 pinion), 50 m (Z20 pinion)
Leaf Travel Speed: 7.2 m/min (Z12), 9.5 m/min (Z16), 12 m/min (Z20)
Output Torque & Thrust: 62 Nm maximum torque; thrust force up to 2500 N (Z12), 1900 N (Z16), 1500 N (Z20)
Internal Reduction Ratio: 1:30
Safety Mechanism: Mechanical twin-disk clutch in continuous oil bath with FAAC HP OIL
Limit Switch: Inductive limit switch with metal strike plates
Duty Cycle: 70% use frequency for heavy industrial traffic
Ingress Protection: IP44
Operating Temperature Range: -20°C to +55°C (thermal cut-out at 155°C)
Manual Release: Key-protected mechanical lever release device
Compatibility: Modular Z12/Z16/Z20 drive pinions, external FAAC 844T control boards, and Cat 3 safety edges

KTI02006002844R

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Product Details
Available Brands	FAAC
Unit	Numbers
HSN Code	85014019
Weight	15 kg
Dimension	L 27.7 x W 15.5 x H 38.8 cm cm ft in m
Warranty	12 Months Warranty
Tags/categories	Automation Automatic Entry Solutions Sliding Gate Telescopic Gate

Usually dispatched within 16 days

About this product .

The FAAC 844 R 380V MC 3PH is an electromechanical sliding gate operator engineered for demanding industrial, logistics, and perimeter security applications. Powered by an asynchronous 4-pole three-phase motor operating on 380-415V AC, it delivers an output torque of 62 Nm through a 1:30 reduction gearbox, providing reliable power for continuous commercial operation.
Built inside a high-resistance pressure-cast aluminium body, all core internal mechanical drive components and reduction gears operate immersed in a continuous bath of FAAC HP OIL lubricant. This oil-bath design ensures continuous heat dissipation, reduces mechanical wear, and supports an operating duty rating of 70% use frequency in high-throughput facilities.
Anti-crushing protection and precise thrust regulation are provided mechanically by an integrated twin-disk clutch running directly in the oil bath. The operator incorporates an irreversible drive design that mechanically locks the gate leaf in closed and open positions when stationary, eliminating the need for auxiliary electric locking mechanisms on perimeter gates.
Depending on the choice of drive pinion, the system adapts to different speed and weight requirements. With a Z12 pinion, it supports gate leaves weighing up to 2,200 kg and spans up to 30 m at 7.2 m/min. With a Z16 pinion, it handles leaves up to 1,800 kg and spans up to 40 m at 9.5 m/min, while a Z20 pinion moves leaves up to 1,000 kg across spans up to 50 m at 12 m/min.
Accurate end-of-travel detection is achieved through an inductive limit switch system activated by metal strike plates secured along the gate leaf. The base casting provides both height and lateral fastening adjustment points, allowing installers to achieve millimeter-accurate alignment against foundation plates and drive racks.
The unit features IP44 ingress protection and operates reliably across an ambient temperature range of -20°C to +55°C, protected by an integrated 155°C thermal motor cut-off. In the event of mains power loss, a key-protected manual release lever mechanism allows facility personnel to disengage the drive gearing safely for smooth manual gate operation.

Product Information .

Corporate Offices Bungalow, Farm Houses Hospitals, Clinics Shopping Malls, Showrooms Public Roads Government Buildings, Offices Banks Airports Railways, Bus Stations Basement, Parking Areas Construction Sites

System Compatibility and Integration Guide: FAAC 844 R 380V MC 3PH

The FAAC 844 R 380V MC 3PH electromechanical gearmotor is engineered for heavy industrial and commercial sliding gate automation, including telescopic gate layouts. Because the operator ships without an integrated pinion, mechanical integration is tailored to project parameters by selecting specific rack pinions (Z12, Z16, or Z20) or chain drive conversion sprockets directly matching the gate leaf weight, travel speed, and overall clear opening span.

Drive Transmission and Pinion Selection

The internal 1:30 reduction gearbox delivers a maximum output torque of 62 Nm. System thrust, travel speed, and maximum leaf capacities correlate directly with the chosen drive pinion format:

Pinion Type	Maximum Leaf Weight	Maximum Leaf Width	Linear Leaf Speed	Max Expressed Force
Z12 Pinion	2,200 kg	30 m	7.2 m/min	2500 N
Z16 Pinion	1,800 kg	40 m	9.5 m/min	1900 N
Z20 Pinion	1,000 kg	50 m	12.0 m/min	1500 N

The gearmotor is fully compatible with standard modular toothed racks or industrial drive chain conversion hardware to match heavy track profiles and telescopic leaf telescoping assemblies.

Power Infrastructure and Control Board Integration

The operator requires a three-phase mains supply of 380–415V~ (3PH+N) at 50/60 Hz to drive its 950 W asynchronous 4-pole electric motor. Upstream supply infrastructure must incorporate an all-pole mains isolation switch with a contact separation distance of at least 3 mm, alongside a 0.03 A differential residual-current device (RCD).

For logic control and motor switching, the operator is compatible with built-in electronic control equipment or can interface with dedicated external three-phase microprocessor control panels, such as the FAAC 844T board. The 844T integration accommodates three-phase motor reversing contactors and active electronic braking systems to manage the momentum of leaves weighing up to 2,200 kg.

Safety Devices and Limit Sensor Interfacing

The FAAC 844 R 3PH is configured for comprehensive industrial safety architectures:

Travel Sensing: Utilizes an onboard inductive limit switch system activated by metal limit sensor plates secured directly along the gate leaf track or rack.
Safety Edges: Fully compatible with Category 3 (CAT3) resistive safety edges positioned along primary and secondary closing edges.
Optical Sensors: Integrates seamlessly with external infrared photobeams (photocells) for obstacle detection across vehicle and pedestrian pathways.
Mechanical Force Regulation: Features an internal twin-disk clutch immersed in FAAC HP OIL, providing mechanical anti-crushing safety and torque calibration directly at the drive shaft.

Structural and Enclosure Compatibility

Featuring an irreversible, non-reversing mechanical reduction system, the operator mechanically locks the gate leaf in closed and open positions, removing any operational requirement for auxiliary electric locks. The pressure-cast aluminium housing features height and side-adjustable fastening mounting slots for alignment on the foundation baseplate, has an IP44 ingress protection rating, and operates across an ambient temperature range of -20°C to +55°C. System implementations meet the compliance criteria set out under standards EN 12453, EN 12445, EN 12604, and EN 12605.

FAAC 844 R 380V MC 3PH Installation & Electrical Commissioning Guide

Foundation Base and Mechanical Mounting Alignment

Mounting the FAAC 844 R 380V MC 3PH gearmotor requires a rigid, level concrete foundation plate to support the 15 kg pressure-cast aluminium housing. The operator base measures 277 mm in length, 155 mm in depth, and 388 mm in height. Engineered with height- and side-adjustable fastening mounting points, the chassis allows technicians to make fine positional corrections to establish precise parallel alignment between the motor drive shaft and the gate leaf.

The drive system features an internal irreversible mechanical reduction ratio of 1:30 that mechanically locks the gate leaf at rest, eliminating the requirement for electric locks. For unpowered leaf movement during site alignment, servicing, or power outages, technicians can activate the key-protected manual release lever mechanism to disengage the drive gearing from the transmission.

Pinion Selection and Drive Line Configurations

The FAAC 844 R 3PH is supplied without a drive pinion, allowing installers to select the specific pinion module or chain drive conversion sprocket required for the application's weight and velocity targets:

Pinion Type	Max Leaf Weight	Max Leaf Width	Max Expressed Force	Linear Travel Speed
Z12	2,200 kg	30 m	2,500 N	7.2 m/min
Z16	1,800 kg	40 m	1,900 N	9.5 m/min
Z20	1,000 kg	50 m	1,500 N	12.0 m/min

Inductive Limit Switch Setup and Clutch Regulation

Gate travel endpoints are detected using an inductive limit switch interacting with steel limit plates secured along the leaf or rack. Precise alignment and clearance between the inductive sensor body and the metal trip plates are critical during installation; insufficient proximity or vertical misalignment prevents the inductive field from detecting the metal sheet, leading to overrun.

Mechanical anti-crushing safety and dynamic thrust regulation are handled by a twin-disk clutch operating in a continuous oil bath charged with FAAC HP OIL. Installers must set the mechanical clutch adjustment screw according to site gate mass. Excessive clutch tightening compromises anti-crushing safety compliance, while insufficient tension causes motor slippage during initial startup acceleration.

Three-Phase Mains Supply and Control Infrastructure

The operator requires a 380-415V~ 3PH+N mains electrical supply at 50/60 Hz to run its 950 W asynchronous three-phase 4-pole motor, which generates up to 62 Nm of torque. The electrical feed must be fitted with an upstream all-pole isolator switch offering a contact opening separation of at least 3 mm, alongside a 0.03 A differential residual-current device. An integrated thermal cut-off sensor halts motor operation if internal coil temperatures hit 155°C.

The system operates via built-in electronic control equipment or can interface with a dedicated external FAAC 844T microprocessor control panel featuring mechanical reversing contactors and active electronic braking. Active safety devices, including Category 3 resistive safety edges and external infrared photobeams, must be integrated across monitored safety terminals to meet the operational safety criteria mandated by EN 12453, EN 12445, EN 12604, and EN 12605.

FAAC 844 R 3-Phase Industrial Sliding Gate Operator Maintenance & Inspection Protocols

Routine maintenance of the FAAC 844 R 380V MC 3PH electromechanical operator is critical for preserving drive reliability and functional safety across high-traffic commercial and industrial perimeters. Because the system manages gate leaf loads up to 2,200 kg under a high 70% operating duty cycle, comprehensive servicing must be performed by qualified automation technicians at scheduled intervals of at least once every six months.

Lubrication Management & Oil Level Inspection

The internal mechanical reduction gearing (1:30 reduction ratio) and mechanical clutch assembly operate immersed in a continuous protective oil bath inside the pressure-cast aluminium housing. Maintaining correct fluid volume and lubricant integrity is essential to prevent premature wear across gear teeth and internal friction plates.

Approved Lubricant: When checking or topping off fluid levels in the gear casing, use exclusively FAAC HP OIL. Introducing incompatible oils, hydraulic fluids, or synthetic blends degrades seal integrity and alters clutch friction parameters.
Fluid Level Verification: Check oil level through the inspection port while the motor is cold and level. Ensure that internal drive components remain fully submerged as specified by the manufacturer.
Casing Integrity: Inspect the pressure-cast aluminium casing and sealing gaskets for weeping or seepage. Verify that the IP44 environmental seal remains intact to stop moisture and airborne particulate entry.

Twin-Disk Oil-Bath Clutch Calibration

Anti-crushing safety and dynamic thrust delivery are regulated mechanically through a twin-disk clutch operating in an oil bath. Periodic verification of clutch torque output ensures compliance with mechanical safety standards EN 12453 and EN 12445.

Torque Verification: Calibrate the mechanical adjustment screw to deliver the necessary thrust force without excessive force application (maximum rated thrust is 2500 N with Z12, 1900 N with Z16, or 1500 N with Z20 pinions; maximum output torque is 62 Nm).
Slippage & Sensitivity Diagnostic: Over-tightening the clutch assembly eliminates essential anti-crushing safety compliance. Conversely, insufficient clutch tightening results in mechanical slippage during peak motor acceleration or high-wind loading.

Inductive Limit Switch & Drive Alignment

Precise endpoint deceleration and stopping depend entirely on the contactless inductive limit sensor interacting with the steel limit plates affixed along the gate structure.

Sensor Clearance: Inspect the air gap between the face of the inductive limit switch and the metal trip plates. Misalignment or excessive clearance prevents sensor triggering, causing over-travel against physical mechanical travel stops.
Trip Plate Fixings: Inspect the rigidity of the metal sheet limit brackets mounted on the gate leaf or drive rack. Retighten all hardware to eliminate displacement from continuous mechanical vibration.
Rack & Pinion Mesh: Clear metal debris, grit, and industrial dirt from the drive rack teeth and drive pinion (Z12, Z16, or Z20). Check mechanical backlash between gear teeth and verify that the weight of the gate leaf does not rest directly on the operator drive shaft.
Mounting Hardware: Inspect the foundation plate and retighten the height and side adjustable fastening mounting bolts to ensure operator alignment remains rigid under heavy directional reversals.

Electrical Systems & Manual Release Servicing

Electrical safety routines must confirm proper supply isolation, phase balance, and manual override operability:

Manual Lever Release: Test the key-protected manual release lever mechanism to confirm smooth disengagement of the irreversible mechanical reduction system during site power failure simulations.
Mains Isolation & Protection: Verify upstream power delivery (380-415V~ 3PH+N, 50/60 Hz). Test the operation of the all-pole mains supply switch (minimum 3 mm contact opening distance) and confirm the tripping functionality of the 0.03 A differential residual-current circuit breaker.
Thermal Cut-Off Verification: Inspect three-phase asynchronous motor windings for signs of abnormal heating. Confirm that the motor thermal cut-off sensor (rated at 155°C) and control board safety edge inputs (Category 3 resistive edges) operate correctly without intermittent continuity faults.
Safety Interlocks: Clean optical lenses on external infrared photobeams and verify complete perimeter response compliance in accordance with standards EN 12604 and EN 12605.

Industrial and Commercial Application Profiles for the FAAC 844 R 380V MC 3PH

Heavy Industrial Facility Perimeters

The FAAC 844 R 380V MC 3PH electromechanical operator is engineered for demanding perimeter security boundaries across heavy industrial facilities, manufacturing plants, and processing yards. Powered by a 950 W asynchronous three-phase 4-pole electric motor running on a 380–415V~ (3PH+N, 50/60 Hz) supply, the unit delivers up to 62 Nm of maximum output torque through a 1:30 internal reduction ratio. For extra-heavy sliding gates weighing up to 2,200 kg, deployment with a Z12 pinion generates an expressed linear thrust force of 2500 N, ensuring dependable leaf movement even when facing high wind-load resistance or heavy mechanical inertia.

Because the internal mechanical reduction system is completely non-reversing, the gate leaf is locked mechanically whenever the motor is de-energized. This eliminates the operational requirement, wiring complexity, and maintenance overhead of supplementary electric solenoid or magnetic locks on large industrial barriers.

High-Span Commercial Openings and Telescopic Gates

Commercial yards and large distribution depots frequently deploy wide-span or telescopic sliding gate designs to clear oversized transport corridors. The FAAC 844 R 3PH accommodates broad structural openings based on the chosen modular drive rack pinion geometry:

Z12 Pinion Configuration: Engineered for maximum mass management up to 2,200 kg across spans up to 30 m at a controlled leaf travel speed of 7.2 m/min.
Z16 Pinion Configuration: Designed for intermediate industrial spans up to 40 m and gate leaf weights up to 1,800 kg, providing an increased operating speed of 9.5 m/min and 1900 N thrust force.
Z20 Pinion Configuration: Selected for long-span perimeters up to 50 m or lighter sliding/telescopic assemblies up to 1,000 kg, operating at a linear leaf speed of 12 m/min with 1500 N thrust force.

The inductive limit switch system senses travel limits using steel plates mounted along the rack, preventing physical mechanical switch degradation over wide spans where track settling or vibrations might otherwise cause misalignment.

Continuous-Flow Freight Yards and Transport Terminals

With an operational use frequency rating of 70%, the FAAC 844 R 3PH is configured for high-traffic freight checkpoints, cargo distribution yards, and multi-shift transit depots. The transmission and internal mechanical components are housed inside a pressure-cast aluminium body and submersed in a continuous oil bath featuring FAAC HP OIL. This fluid immersion dissipates frictional heat generated during cyclic operation, protecting mechanical gear surfaces from premature wear.

Mechanical anti-crushing safety and dynamic thrust regulation are handled by a twin-disk oil-bath clutch assembly. When integrated with downstream external controllers such as the FAAC 844T control board, Category 3 resistive safety edges, and active photobeams, the gearmotor satisfies EN 12453, EN 12445, EN 12604, and EN 12605 automation safety standards across vehicular transition corridors.

Severe Environmental and Outdoor Deployments

Rated at ingress protection level IP44 and operational across an ambient temperature range from -20°C to +55°C, the unit withstands extreme outdoor yard exposures. The electric motor incorporates a built-in thermal protection switch rated to cut off at 155°C to prevent winding damage during peak continuous cycles. In the event of primary three-phase utility outages or upstream circuit isolation via the required all-pole mains switch, an onboard key-protected manual release lever allows authorized personnel to disengage the drive gearing and operate the gate leaf manually.

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