ITOH DENKI PM570AS-20-300-3-220-BR BRAKE-INTEGRATED 3-PHASE AC MOTORIZED DRIVEN ROLLER (MDR)

DEEP PRODUCT OVERVIEW & HEAVY-DUTY INDUSTRIAL AUTOMATION INFRASTRUCTURE
The Itoh Denki PM570AS-20-300-3-220-BR is a high-capacity industrial automated conveyor drive component configured as a specialized internal-motor electric roller (Power Moller / Motorized Driven Roller - MDR), belonging to the heavy-duty alternating current (AC) asynchronous standard motor generation engineered and manufactured 100% in Japan by global logistics automation pioneer Itoh Denki. This advanced device features an "All-in-one" hermetic design topology, encapsulating a rugged 3-phase AC induction motor and a multi-stage structural steel planetary reduction gearbox straight inside a precision-machined cylindrical bare steel tube barrel. Moving entirely away from the previously evaluated polyurethane-lagged variant, this specific model concentrates on delivering uncompromised bare steel strength optimized for a standardized global 3-phase 220V AC voltage mainline grid, hardwired with an internal mechanical Electromagnetic Brake (Brake - BR) module. It serves as an irreplaceable technological choice to govern linear stroke vectors across tight clearance incline tracks, high-accuracy milimetric spatial positioning indexing cells, and automated pneumatic lifting and right-angle diversion transfer docks deployed via certified Itoh Denki Vietnam engineering loops.

INTEGRATED ELECTROMAGNETIC BRAKE (BR) – THE DEFINITIVE FAIL-SAFE BLOCKS ERADICATING MOTION DRIFT
The alphanumeric suffix designation "BR" embedded within the dynamic system code defines a heavy-duty mechanical Electromagnetic Brake hardwired co-axially directly onto the internal motor drive shaft. This safety block acts as a critical fail-safe constraint for handling high-mass, high-inertia cargo elements:
- As long as active three-phase AC power lines feed the system current, the centralized magnetic coil pulls the clutch plates open to release uncompromised linear rotation. However, the exact millisecond the master plant PLC terminates zone loops or an unexpected facility emergency shutdown (Emergency Stop) trips the main breaker, the magnetic field collapses instantly, and internal structural spring-loaded actuators force the high-friction brake pad shoe locked against the drive core.
- This absolute mechanical interlock terminates raw forward momentum and gravity drop vectors within fractions of a second, locking dense component totes perfectly stationary on sloped tracks, eliminating line tumbling defects, and reinforcing strict facility risk-mitigation directives.

3-PHASE AC ASYNCHRONOUS "AS" CORE ON 220V INDUSTRIAL GRIDS – UNBROKEN RUNTIME TORQUE COEFFICIENTS
- Relentless Inductive Propulsion Lifecycle: The internal "AS" (Asynchronous Standard) motor architecture leverages alternating current inductive properties, completely discarding mechanical carbon brushes that wear down, arc track, or fracture over shifts. The machine generates a massive initial starting torque (Breakout Torque) profile, maintaining stable continuous propulsion under high resistance to withstand relentless 24/7 service metrics without structural efficiency drop or unexpected thermal trip-outs.
- Standardized Global 3-Phase 220V AC Mainline Interface: Bypassing local domestic Japanese 200V limitations, the engineered 220V three-phase winding configuration matches universal global factory distribution panels. It hooks up flawlessly to standard Variable Frequency Drive (VFD) inverter loops or magnetic contactor panels, allowing field instrumentation teams to program dynamic acceleration/deceleration speed slopes matching fluctuating manufacturing line parameters. The system runs at a balanced nominal linear velocity of approximately 20 meters per minute (Code 20), optimizing gear reduction proportions to route peak inductive energy straight into maximizing raw continuous torque limits.

MUSCULAR COMPACT FOOTPRINT DESIGNED FOR FOCUSSED CLEARANCE TRACKS
The mechanical profile of the PM570AS-20-300-3-220-BR provides an elite structural section modulus: a heavy-walled bare carbon steel outer cylinder measuring an enlarged 57.0 mm diameter (Code 570) shrugs off severe vertical compression forces and high physical drop shocks (impact loads) without longitudinal deflection or axis bowing. Concurrently, the barrel width is extruded to an ultra-compact metric length of just 300 mm (Code 300 / 30cm), tailored for tight drop-in mounting inside small conveyor side rail clearances measuring 31 cm to 35 cm. This layout concentrates the entire continuous thrust matrix and mechanical braking vector over a narrow, focused contact zone. This makes the roller the definitive field solution to configure inline automated barcode scanner reading tunnels, electronic checkweigher weighing platforms requiring instantaneous, rock-steady dead stops to register data points cleanly, and pneumatic low-profile lifting pop-up transfer decks where horizontal machine frames face sharp spatial boundaries.

DYNAMIC PROPULSION METROLOGY & GEAR PERFORMANCE DATA
- Equipment Manufacturer: Itoh Denki (Japan)
- Full System Part Number Certified: PM570AS-20-300-3-220-BR
- Device Structural Profile: Alternating Current Motorized Driven Roller (AC MDR) / Power Moller
- Core Product Range: 3-Phase AC induction heavy-duty series
- Outer Barrel Shell Diameter (Tube Diameter): 57.0 mm (Heavy-walled bare steel cylinder resisting structural uốn deformation)
- Effective Barrel Width (Tube Length): 300 mm (Standard metric width optimized for narrow-clearance frame geometries)
- External Barrel Surface Finish: Smooth bare carbon steel zinc-plated cylinder (No rubber/polyurethane lagging)
- Nominal Linear Velocity Scale: ~ 20 meters per minute (Torque-stabilized process tracking velocity)
- Embedded Drive Core Motor: Squirrel-cage 3-Phase AC Asynchronous Induction Motor (AS Classification)
- Mechanical Enclosure Layout: Sealed All-in-one cylindrical barrel containing motor and planetary gear sets, removing all external chains or belts.

ELECTRICAL RATINGS & POWER DISTRIBUTION SPECTRUM
- Main Input Supply Voltage Rail: 220 V AC industrial factory grid power (3-Phase / 3-pha line inputs)
- Power Supply Frequency Spectrum: 50 / 60 Hz universal tracking compatibility
- Integrated Safety Interlock Modification (BR Option): Internal mechanical Electromagnetic Brake assembly executing automated shaft lock upon line power termination.
- Field Panel Interface Protocol: Mandates direct connection via standard industrial magnetic contactor blocks, thermal protection relays, or technical alternating current VFD inverters; completely incompatible with low-voltage 24V DC driver cards.

MECHANICAL PROPERTIES & MATERIAL COMPOSITION
- Tube Core Substrate Metallurgy: High-thickness structural carbon steel treated with protective anti-oxidization industrial zinc plating compliant with Japanese manufacturing standards.
- End Shaft Terminal Mechanical Profile: High-rigidity carbon steel shaft engineered to endure high torsional braking stresses discharged from the internal BR core.
- Planetary Gearbox Configuration: High-precision planetary gear columns milled entirely from structural alloy steel, packed with non-bleeding lifetime synthetic thermal grease.
- Maintenance Requirements Lifecycle: 100% Zero-maintenance (Maintenance-free) throughout operational product lifecycle.

ENVIRONMENTAL SPECTRUM & FIELD COMMISSIONING MANDATES
- Continuous Operating Duty Classification: IEC S1 continuous duty profile (Engineered for uninterrupted round-the-clock 24/7 service under nominal load parameters)
- Cleanroom Air Safety Rating: Carbon-dust-free solid-state build certified for electronics manufacturing cleanroom isolation.
- Primary Industrial Deployment Profiles: Narrow incline/decline package protection tracks, high-accuracy feeding stages synchronized with automated Barcode Scanner tunnels, dynamic inline checkweighers, and compact pneumatic pop-up right-angle transfer stations.
- Mechanical Production Origin: 100% Engineered and Manufactured in Japan (Japan Origin).