Please note that we will be closed for the holiday period starting from 24th December, and will reopen on 2nd January 2026. Our last shipping dates to customers this year will be - UK Mainland: 22/12/2025. Highlands/2-day carriage: 18/12/2025. FedEx Priority: 16/12/2025. FedEx Economy: 15/12/2025.

Sealevel Serial, I/O, and Embedded Computing Solutions

We supply Sealevel Systems' high-reliability serial, digital I/O, and embedded computing products built for long-term operation in harsh and highly regulated environments.

Their range includes PCIe and PCI serial cards, Ethernet-to-serial devices, industrial I/O modules, and fanless embedded computers. Built for use in military, medical, and industrial environments, Sealevel products are known for rock-solid performance, extended lifecycle support, and compliance with strict operational standards.

Explore our Sealevel product range or get in touch for specialist advice.

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Showing 9 of 9 Sealevel Products items

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Sealevel IN5S

Single Point Discrete AC/DC Input Module

Sealevel IB5S

Single Point Discrete 24V DC Input Module

Sealevel IB5Q

Quad Solid State Relay: DC Input

Sealevel IA5S

Single Point Discrete 120V AC/DC Input Module

Sealevel IA5Q

Quad Solid State Relay: AC Input

Sealevel OB5S

Single Point Discrete 24V DC Output Module

Sealevel OB5Q

Quad Solid State Relay: DC Output

Sealevel OA5S

Single Point Discrete 120V AC Output Module

Sealevel OA5Q

Quad Solid State Relay: AC Output

What Is Sealevel’s Specialty?
Sealevel focus on serial and I/O expansion solutions, including USB-to-serial adaptors, digital I/O modules and embedded control systems. Their designs are trusted where reliable connectivity is required across industrial and military sectors.

Why Choose Sealevel Hardware?
With extensive experience in serial communications, Sealevel products provide the robust connectivity needed to extend the life of legacy equipment. Many models also meet MIL-STD specifications for defence projects.

Why Source in the UK Through Impulse?
We deliver Sealevel hardware to our UK customers with technical guidance and lifecycle support, ensuring integration is seamless and supply is dependable across long-term projects.