ABB - Electrification 2TLA050040R0505 - MKey are mechanical safety switches used for monitoring doors and hatches. The switch is mounted on the frame and the actuator key on the moving part of the guard. All MKey models have a safe interlocking function. Some MKey models can be locked and depending on the locking signal they can be used either as process locks or safety locks (with a safe unlocking function). MKey switches are available in different material and sizes in order to meet the requirements of different applications.
ABB - Electrification

2TLA050040R0505

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Overview

Enhance industrial safety with ABB's MKey mechanical safety switches, designed for robust monitoring of doors and hatches. These essential devices ensure operational integrity by preventing access to hazardous areas when machinery is in motion. The MKey system features a switch mounted on the frame and an actuator key attached to the moving guard, creating a reliable interlocking mechanism. All MKey models incorporate a fundamental safe interlocking function, crucial for preventing unexpected machine startup. Select MKey variants offer advanced locking capabilities, allowing for flexible application as either process locks or safety locks. When configured as safety locks, they provide a safe unlocking function, ensuring personnel can only exit hazardous zones when conditions are met. ABB's MKey switches are engineered for versatility, available in a range of materials and sizes to precisely meet the diverse requirements of various industrial applications. Whether your need is for basic guard monitoring or sophisticated process interlocks, the MKey series delivers dependable safety solutions. Trust ABB Electrification for high-quality safety components that protect personnel and optimize production processes. SKU: 2TLA050040R0505.
  • Monitors doors and hatches for enhanced industrial safety.
  • Features a mechanical interlocking function for secure guard monitoring.
  • Select models offer process or safety locking with safe unlocking.
  • Available in diverse materials and sizes to suit various applications.
  • Reliable safety solution from ABB Electrification (SKU: 2TLA050040R0505).

Specifications

Mounting Type
Frame Mounted
Series
MKey
Package Dimensions (L x W x H)
5.905 IN x 5.905 IN x 20.866 IN
Package Dimensions (L x W x H)
14.9987 cm x 14.9987 cm x 52.9996 cm
Package Weight (Imperial)
3.747 L
Package Weight (Metric)
1.700 kg

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Frequently Asked Questions

What is the operating voltage range?

The device operates on 24V DC with a range of 20-28V DC.

What are the dimensions of the product?

The product dimensions are 120 mm in length, 80 mm in height, and 60 mm in width.

What safety precautions should be taken?

Always ensure the power is disconnected before installation or maintenance to avoid electrical shock.

What is the maximum operating temperature?

The maximum operating temperature is 55°C.

What is the minimum operating temperature?

The minimum operating temperature is -20°C.

Is the product compatible with other ABB devices?

Yes, the product is designed to be compatible with other ABB safety access devices.

How do I troubleshoot common issues?

Check the power supply and connections if the device is not functioning properly.

Frequently Asked Questions about ABB - Electrification

What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Electrification products used for?

ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

What technical support does ABB - Electrification offer?

ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

What communication protocols do ABB - Electrification products support?

ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.

What environmental ratings do ABB - Electrification products have?

ABB - Electrification products feature robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure equipment can withstand challenging industrial environments, providing dust-tight, water-resistant, and corrosion-resistant protection for indoor and outdoor applications.

What accessories are available for ABB - Electrification products?

ABB - Electrification offers a comprehensive range of accessories across multiple product lines, including auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, mounting pieces, terminal blocks, and connection accessories. These accessories are designed to enhance functionality, improve connectivity, and provide additional protection for industrial control systems, with many accessories being compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems.

How are ABB - Electrification products typically installed?

ABB - Electrification products are installed through a professional, systematic process that includes precise equipment verification, secure electrical connections, and comprehensive testing. Installation typically involves verifying foundation requirements, assembling equipment, connecting busbars and control cables, establishing earthing systems, and conducting thorough pre-commissioning and commissioning tests to ensure optimal performance, reliability, and safety.

What is ABB - Electrification's warranty policy?

ABB - Electrification offers a standard 1-year factory warranty for most electrification products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies the product application and provides additional coverage for manufacturing defects and factory-mounted accessories.