A-B 440T-MS3426AA Solenoid Release Trapped Key Interlock
The A-B 440T-MS3426AA is a solenoid release trapped key interlock designed for use in industrial safety systems. It ensures safe operation by trapping the key until the machinery is shut down safely, preventing accidental start-up.
Brand:Rockwell Automation
Model:440T-MS3426AA
Type:Solenoid Release Trapped Key Interlock
Voltage Rating:24V DC
Operational Temperature Range:-20°C to +60°C
Protection Rating:IP65
Switch Type:Non-contact Reed Switch
Key Quantity:1
Mounting:Panel Mount
Weight:0.5 kg
The Rockwell Automation A-B 440T-MS3426AA Solenoid Release Trapped Key Interlock is meticulously engineered to enhance the safety and security of industrial environments. This solenoid release mechanism works in conjunction with trapped key systems to ensure that only authorized personnel can access hazardous areas.
Its non-contact reed switch design ensures reliable operation under harsh conditions, offering a long service life and minimal maintenance requirements. The unit operates within a wide temperature range (-20°C to +60°C), making it suitable for various industrial settings.
Designed for panel mounting, this interlock is easy to install and integrate into existing safety systems. With a robust IP65 protection rating, it resists dust and water ingress, providing reliable performance in challenging environments.
The A-B 440T-MS3426AA is powered by 24V DC, making it compatible with a wide range of industrial control systems. Its lightweight design (0.5 kg) makes it convenient for installation and maintenance.
This product complies with international safety standards, ensuring that it meets the highest levels of safety and reliability required in today’s industrial applications.












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