High Level Alarm Switch BJTK-1 | MEGI CONTROL SYSTEMS

Reliable Overfill Protection for Liquid Storage Tanks

The BJTK-1 High-High Level Alarm Switch is specifically designed to provide critical high-high level detection in liquid storage tanks, helping prevent overfill incidents and enhancing operational safety. When connected to a PLC alarm controller, it enables remote visual and audible alarms for immediate operator response.

Key Benefits

• Simple roof-mounted installation for quick deployment

• Proven performance with high reliability in industrial applications

• Integrated on-site inspection interface for convenient testing and maintenance

• Supports remote alarm indication through PLC-based alarm systems

• Robust construction suitable for hazardous environments

Features

• Dedicated high-high level alarm functionality

• Remote sound and light alarm capability via PLC integration

• Easy installation on tank roofs

• Durable design for long-term operation

• Built-in inspection interface for efficient site verification and testing

Technical Specifications

Parameter	Specification
Power Supply	< 24 VDC
Alarm Signal	Digital Output
Contact Rating	1 A @ 24 VDC
Electrical Wire Tube Thread	G16 Tube Thread
Installation	M20 × 1.5 Thread
Explosion Protection	Ex d IIB T4 Gb
Protection Class	IP65

Applications

• The BJTK-1 is ideal for liquid storage tanks where reliable high-high level detection is required to prevent overflow, product loss, environmental contamination, and safety risks.

Safe, Reliable, and Easy to Maintain

• Designed for critical level monitoring applications, the BJTK-1 delivers dependable overfill protection while simplifying installation, testing, and ongoing maintenance. Its rugged construction and certified hazardous-area protection make it a trusted solution for industrial tank farms, terminals, and process facilities.