Description
AUTRONICA
TYPE: GL-7A/2
ELECTRONIC LEVEL SWITCH
N°.: 1705
UMAX.=19V DC, CEQ=107NF, LEQ<0.1UH
EEX IA IIC T6 N 82.014
DRAWING NL-184
NEMA 4
The Autronica GL-7A/2 is an intrinsically safe electronic level switch designed for use within marine fire alarm and detection systems. Operating at a maximum of 19V DC, this unit features intrinsic safety certification to EEx ia IIC T6 standard, making it suitable for deployment in hazardous areas aboard vessels. Its NEMA 4 enclosure rating ensures reliable protection against environmental ingress, supporting dependable operation in the demanding conditions found at sea. As a component within the fire alarm system category, accurate level detection is critical to maintaining system integrity and crew safety.
Key Features
✓ Intrinsically safe electronic level switch rated EEx ia IIC T6, certified for use in hazardous marine environments requiring Group IIC gas protection.
✓ Maximum operating voltage of 19V DC with capacitance equivalent CEQ=107nF and inductance LEQ<0.1µH, as specified in the original product data.
✓ Compatible with Autronica fire alarm and detection system configurations; refer to Drawing NL-184 for integration and wiring guidance.
✓ NEMA 4 rated enclosure provides robust protection against dust, water splashing, and harsh onboard conditions, supporting reliable long-term installation.
✓ Designed as a direct replacement component for Autronica fire detection systems; subject to confirmation of system configuration before installation.
Marine Applications
✓ Installed within Autronica fire alarm systems aboard commercial cargo vessels, tankers, and offshore platforms requiring hazardous area detection.
✓ Used in engine rooms, pump rooms, and other designated hazardous zones where intrinsic safety certification is a mandatory requirement.
✓ Applicable to passenger ferries and cruise vessels where fire detection system reliability is central to SOLAS compliance and life safety protocols.
✓ Suited for use in chemical tankers and gas carriers where IIC group intrinsic safety ratings are required by classification society rules.
✓ Deployed as part of integrated fire and gas detection networks managed through Autronica central control and monitoring panels.
Why Marine Engineers Choose
The Autronica GL-7A/2 is a trusted level switch within the Autronica fire detection ecosystem, valued for its certified intrinsic safety rating, robust enclosure, and compatibility with established shipboard alarm architectures — making it a reliable choice for maintenance and system restoration at sea.
Ideal For
Tankers, gas carriers, chemical vessels, offshore platforms, cargo ships, passenger ferries, and any vessel operating Autronica fire alarm systems in hazardous or classified onboard areas.
Technical Support
Technical support is available for the Autronica GL-7A/2 Electronic Level Switch, covering onboard installation guidance, component-level troubleshooting, and remote diagnostic assistance. Our team can assist marine engineers and superintendents in resolving fire alarm system issues efficiently to minimise vessel downtime.
