MAYR ROBA®-twinstop® REDUNDANT DUAL-CIRCUIT FAIL-SAFE ELECTROMAGNETIC ELEVATOR SAFETY DUAL BRAKE

DEEP PRODUCT OVERVIEW & HIGH-END VERTICAL TRANSPORT SAFETY INFRASTRUCTURE
The Mayr ROBA®-twinstop® represents the universal global industry benchmark in specialized solid-state industrial safety mechanism engineering, configured as a redundant Electromagnetic Safety Brake designed specifically to secure high-capacity vertical hoist lines, developed and manufactured 100% in Germany by world-renowned safety component pioneer Chr. Mayr GmbH + Co. KG. This advanced device functions as the ultimate mechanical fail-safe "double lock infrastructure" tailored specifically to govern both geared and gearless traction elevator assemblies (Geared & Gearless traction machines) active inside high-rise commercial structures, residential towers, and transit hubs. Operating purely on a fail-safe spring-applied mechanism that clamps heavy structural friction faces locked immediately upon plant grid current failure, it releases linear movement only when active electromagnetic magnetic flux fields are energized (Spring-applied safety brake topology). Packing a fully redundant dual-circuit mechanical configuration running two separate braking circuits side-by-side on a singular robust frame housing, the ROBA®-twinstop® delivers maximum long-term runtime durability serviced across Vietnam industrial sectors via authorized supplier ANS.

REDUNDANT MECHANICAL CORE ACHIEVING COMPREHENSIVE EN 81-20 & EN 81-50 CODE VALIDATION
The fundamental protective capability of the ROBA®-twinstop® model aligns precisely with the most demanding global vertical mobility safety directives:
- Absolute Dual-Circuit Redundant Architecture: Under strict global safety standards EN 81-20 and EN 81-50 (fully harmonized within domestic high-rise lift safety codes), all automated passenger lifting lines must integrate separate redundant braking modules to act as an uncompromised barrier against uncontrolled upward car acceleration paths or accidental drop vectors (UCMP - Unintended Car Movement Protection). The ROBA®-twinstop® satisfies this safety decree by deploying two independent brake halves operating in parallel. Should one circuit path suffer unexpected voltage loss or friction abrasion, the auxiliary circuit retains 100% nominal holding torque capacity, anchoring the traction machine safely stationary to secure passenger safety at the floor level.
- Millisecond-Level Response Index: The optimized internal electromotive magnetic loop executes immediate armature plate clamping within a fraction of a second upon circuit breaks, thoroughly isolating the vertical line against gravity free-fall hazards.

HIGH ADAPTABILITY EMBEDDED WITH ADVANCED NOISE ATTENUATION STRUCTURES
- Universal Traction Assembly Interfacing: Moving away from thin pancake brakes restricted purely to small MRL layouts, the ROBA®-twinstop® features a highly versatile rugger mechanical layout. It adapts flawlessly as a rear shaft anchoring brake for both modern flat gearless magnetic drive rotors and traditional worm-gear machine assemblies. Its high-tensile coated steel alloy housing absorbs severe mechanical vertical compression forces and load spikes up to multiple tons without encountering longitudinal axis bowing.
- Acoustic Switching Vibration Attenuation: To preserve low-decibel operational environments within 5-star hotels and premium office towers, Mayr developers integrated advanced mechanical sound-absorption dampener rings. This architecture quells the sharp metal-to-metal impact resonance common during armature engagement and release tracking, ensuring smooth, silent travel comfort for residential villa lift applications.

REAL-TIME POSITION TELEMETRY MONITORING & EDGE-LEVEL PREDICTIVE MAINTENANCE NETWORKS
- Intelligent Condition Monitoring Interface: To guarantee operational security loop statuses on active lines, the device incorporates technical channels hosting integrated independent mechanical Microswitches (Release Monitoring loops) for both circuit segments. This contact array routes real-time closed-loop analytical tracking signals identifying exact Engaged or Released positions directly to the master elevator control panel or local PLC systems.
- Edge-Level Predictive Maintenance Tracking: The diagnostic sensor array actively tracks operating micro air gaps (Air gap window). The moment persistent 24/7 friction lining abrasion pushes mechanical clearances beyond tight factory tolerance parameters, the system triggers a dedicated wear warning signal (Wear monitoring signal). This feeds a diagnostic code to central DCS automation systems, empowering service crews to execute hardware calibration changes well before mechanical lockups compromise vertical lift lines. The solid-state package requires zero grease ingress throughout its complete life span, establishing 100% maintenance-free operational security supplied through official ANS logistical vectors.

DYNAMIC PROPULSION METROLOGY & HOLDING PERFORMANCE DATA
- Equipment Manufacturer: Chr. Mayr GmbH + Co. KG (Germany)
- Authorized Sourcing Supplier in Vietnam: ANS (AnhNghiaSon)
- Full System Part Number Certified: ROBA®-twinstop® Series
- Device Structural Profile: Redundant electromagnetic spring-applied elevator dual safety brake
- Redundancy System Architecture: Fully Redundant Dual-Circuit Mechanical Configuration (Redundant dual-circuit layout)
- Default Operational Principle: Failsafe mechanical lock engaged via integrated spring force upon line power termination; electromagnetically released via inductive coil initialization.
- Lift Code Compliance Certifications: Full prototype design approval certificate tracking EN 81-20 and EN 81-50 elevator safety codes, supporting complete Unintended Car Movement Protection (UCMP) directives.
- Nominal Holding Torque Scale (Braking Torque): Variable multi-tier configurations tailored to fit matching geared and gearless elevator machine capacities handling multi-ton loads.
- Commercial Pricing Parameter: Contact (At ANS to receive verified custom configuration quotation metrics)

MECHANICAL PROPERTIES & STRUCTURAL METALLURGY
- Traction Engine Interfacing Compatibility: Optimized explicitly to pair alongside both modern Gearless Traction Motors and traditional Geared Motor assemblies.
- Stator & Armature Base Substrate: High-density structural alloy steel engineered for high magnetic flux transmission, precision-ground to a flat layout resisting torsional deflection stress under vertical load drops.
- Friction Lining Material Composition: High-coefficient asbestos-free heavy-wear friction linings engineered for high thermal stability and advanced physical wear resistance.
- Lubrication & Preventative Maintenance Mandate: Sealed solid-state build requiring zero grease ingress; 100% Maintenance-free concerning physical lubrication routines.

ELECTRICAL RATINGS & INTEGRATED DIAGNOSTIC LOGIC
- Compatible Coil Input Supply Voltage Rail: Standard industrial DC voltage configurations (e.g., 24V, 104V, 180V, 207V DC managed via technical panel rectifier blocks).
- Condition Monitoring Hardware Matrix: Factory-fitted independent dual mechanical Microswitches tracking separate circuit stroke lines.
- Diagnostic Automation Telemetry Feedback: Real-time closed-loop signal channels routing separate Release/Engage Monitoring parameters paired with automated micro Air Gap Wear Monitoring Signals straight to localized elevator PLC controllers.

ENVIRONMENTAL SPECTRUM & FIELD COMMISSIONING MANDATES
- Lift Shaft Cleanliness Safety: Carbon-dust-free enclosed design releasing zero particulate contamination, running silently with integrated sound dampening layers to reduce acoustic switching volume.
- Primary Industrial Deployment Profiles: Geared traction machines, flat gearless permanent magnet traction systems, machine-roomless (MRL) frame clear spaces, passenger elevator shaft safety modernization overhauls, and commercial high-rise lift installations.
- Mechanical Production Origin: 100% Engineered and Manufactured in Japan (Germany Origin).