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ABB mkey8er 24vdc Interlock Switch, 2NC+2NC
ABB MKey8ER 2TLA050015R0132 is an IP67 die-cast 24 V DC power-to-unlock safety interlock switch with 2NC + 2NC safety contacts, auxiliary status contacts, a 2000 N holding force and emergency escape release for industrial machine guarding.
£520.81
Why Choose the ABB MKey8ER 24VDC Safety Interlock Switch?
The ABB MKey8ER 24VDC, part number 2TLA050015R0132, is a robust mechanical safety interlock switch with guard locking and emergency escape release designed for monitoring doors, hatches and movable guards on industrial machinery. Featuring a die-cast housing and head, 24 V DC power-to-unlock operation and a high 2000 N holding force, it provides dependable guard locking for machinery where access must remain prevented until a safe unlocking signal is given.
As part of the ABB Jokab Safety MKey series, the MKey8ER monitors both the position of the actuator and the status of the locking mechanism. Its contact arrangement incorporates 2NC actuator-monitoring contacts and 2NC lock-monitoring contacts with positive force disconnection, together with auxiliary NO contacts for guard-open and lock-status indication.
A key feature of the MKey8ER is its manual escape release button, which can allow the locking mechanism to be released from inside the guarded area in an emergency when incorporated into an appropriately assessed safety system. The switch also provides IP67 protection, three M20 conduit entries and is supplied with a standard actuator key.
Key Advantages
- Heavy-duty safety interlock switch with electromagnetic guard locking.
- 24 V DC power-to-unlock operation for safety-locking applications.
- High 2000 N holding force for securely retaining machine guards.
- Integrated emergency escape release accessible from inside the guarded area when correctly installed.
- 2NC + 2NC positive-opening safety contact arrangement for actuator and lock monitoring.
- Robust die-cast housing and head with IP67 protection.
Key Features
- ABB Jokab Safety MKey8ER guard-locking safety interlock switch.
- 24 V DC electromagnetic solenoid.
- Power-to-unlock locking principle.
- 2000 N guard holding force.
- 2NC actuator + 2NC lock-monitoring safety contacts.
- Two auxiliary NO circuits for guard-open and lock-status indication.
- Manual emergency escape release at the rear of the housing.
- Three M20 conduit entries for wiring.
- IP67 enclosure protection.
- Standard actuator key supplied.
Safe Guard Locking with Emergency Escape Release
Guard-locking interlock switches such as the ABB MKey8ER are used where a movable machine guard must remain locked until access can be permitted safely. The actuator key is mounted on the movable guard and enters the switch head when the guard closes, while separate positively operated contacts monitor the actuator position and locking mechanism.
The MKey8ER adds an important escape-release function for applications where personnel could potentially enter the guarded area. When installed according to the machine risk assessment, the rear manual release can be positioned so that it is accessible from inside the active guarded area, allowing the locking mechanism to be manually released and the guard opened in an emergency.
Typical Applications
- Robot cell access doors and perimeter guarding.
- Machine guards requiring safety locking.
- Automated production and assembly machinery.
- Packaging and processing equipment.
- Conveyor and material handling systems.
- Guarded areas where an internal emergency escape release is required.
Technical Specifications
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| Device Type | Guard-locking switch | |
|---|---|---|
| Product Series | ABB MKey | |
| Contacts | 2NO | |
| IP Rating | IP67 | |
| Safety Switch Type | Guard locking (solenoid) | |
| Housing Material | Metal | |
| Manufacturer | ABB | |
| Product range | ABB Jokab Safety | |
| Series | MKey | |
| Model | MKey8ER 24VDC | |
| Manufacturer part number | 2TLA050015R0132 | |
| Product type | Safety interlock switch with guard locking and escape release | |
| Rated control supply voltage | 24 V DC | |
| Locking principle | Power to unlock | |
| Holding force | 2000 N | |
| Safety contact configuration | 2NC + 2NC | |
| Auxiliary contacts | 2NO | |
| Total contact configuration | 4NC + 2NO | |
| Safety contact operation | Positive force disconnection | |
| Special function | Emergency / escape release | |
| Housing material | Die-cast metal | |
| Head material | Die-cast metal | |
| Protection rating | IP67 | |
| Conduit entries | 3 × M20 | |
| Actuator | Standard key included | |
| Product net height | 176 mm | |
| Product net width | 46 mm | |
| Product net depth | 97 mm | |
| Product net weight | approx. 0.79 kg | |
| EAN / GTIN | 7350024466515 | |
| ETIM classification | EC002593 – Position switch with guard locking | |
| HS Code | 85365080 | |
| Country of Manufacture | United Kingdom (includes NI) |
Frequently Asked Questions
What is the ABB MKey8ER 2TLA050015R0132 used for?
The MKey8ER is a guard-locking safety interlock switch with emergency escape release used to monitor and lock doors, hatches and movable guards on industrial machinery.
Is the ABB MKey8ER power-to-lock or power-to-unlock?
The 2TLA050015R0132 is a 24 V DC power-to-unlock model, meaning electrical power is applied to release the locking mechanism.
What is the holding force of the ABB MKey8ER?
The MKey8ER provides a substantial 2000 N holding force for retaining the guard in its locked position.
What contacts does the ABB MKey8ER provide?
The switch has 2NC actuator-monitoring contacts plus 2NC lock-monitoring contacts with positive force disconnection, together with two auxiliary NO circuits for guard-open and lock-status indication.
What does the escape release on the MKey8ER do?
The rear manual escape release allows the locking mechanism to be released from inside the guarded area in an emergency when the switch is correctly positioned and incorporated according to the application's risk assessment.
What protection rating does the ABB MKey8ER have?
The MKey8ER has an IP67 enclosure protection rating and a durable die-cast housing and head for industrial machine safety applications.
Trusted by Machine Builders and Automation Professionals
ABB Jokab Safety MKey guard-locking switches provide robust mechanical guard monitoring, locking and emergency release functionality for industrial machinery, helping machine builders, system integrators and automation engineers implement dependable access protection around hazardous equipment.
