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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Sealevel Products

Showing 60 of 428 Sealevel Products items

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160PoE-OEM
Available to order
Sealevel 160PoE-OEM
Ethernet Modbus TCP to 32 Channel TTL Digital I/O Board
462M-OEM
Available to order
Sealevel 462M-OEM
RS-485 Modbus RTU to 96 Channel TTL DB78F Digital I/O OEM Board
160E-OEM
Available to order
Sealevel 160E-OEM
Ethernet Modbus TCP to 32 Channel TTL Digital I/O Board
430E-OEM
Available to order
Sealevel 430E-OEM
Ethernet Modbus TCP to 32 Isolated Digital Input OEM Board
430M-OEM
Available to order
Sealevel 430M-OEM
RS-232 Modbus RTU to 32 Isolated Digital Input OEM Board
HUB7i-UK
Available to order
Sealevel HUB7i-UK
7 Port Isolated Industrial USB 2.0 Hub
HUB7M-UK
Available to order
Sealevel HUB7M-UK
7 Port Industrial USB 2.0 Hub
HUB7P-UK
Available to order
Sealevel HUB7P-UK
7 Port Industrial USB 2.0 Hub
HUB4PH-UK
Available to order
Sealevel HUB4PH-UK
4 Port Industrial USB 2.0 Hub
270U
Available to order
Sealevel 270U
7 Port Isolated Industrial USB 2.0 Hub
ISO-1-OEM
Available to order
Sealevel ISO-1-OEM
1 Port SeaISO Embedded Inline USB Isolator
ISO-1
Available to order
Sealevel ISO-1
1 Port SeaISO Inline USB Isolator
ISO-1R
Available to order
Sealevel ISO-1R
1 Port SeaISO Ruggedised Inline USB Isolator Cable
462M
Available to order
Sealevel 462M
RS-485 Modbus RTU to 96 Channel TTL DB78F Digital I/O Adapter
£324.00
KT106-ROHS
Available to order
Sealevel KT106-ROHS
Terminal Block Kit: TB06 + (2) CA127 Cables
£94.00
KT105-ROHS
Available to order
Sealevel KT105-ROHS
Terminal Block Kit: TB05 + CA127 Cable
£70.50
KT107-ROHS
Available to order
Sealevel KT107-ROHS
Terminal Block Kit: TB07 + CA167 Cable
£111.00
462S
Available to order
Sealevel 462S
RS-232 Modbus RTU to 96 Channel TTL DB78F Digital I/O Adapter
£368.00
TB34-ROHS
Available to order
Sealevel TB34-ROHS
Terminal Block: DB9 Female to 5 Screw Terminals (RS-422/485)
£20.50
RJ25P-232-ROHS
Available to order
Sealevel RJ25P-232-ROHS
DB25 Male to RJ45 - Preconfigured for RS-232 RJ45 Serial Devices
£14.50
RJ9P-232-ROHS
Available to order
Sealevel RJ9P-232-ROHS
DB9 Male to RJ45 - Preconfigured for RS-232 RJ45 Serial Devices
£14.50
CA135-ROHS
Available to order
Sealevel CA135-ROHS
100cm 50-Pin IDC to 50-Pin Edge Connector Ribbon Cable
£52.50
CA167-ROHS
Available to order
Sealevel CA167-ROHS
100cm 50-Pin IDC to 50-Pin IDC Ribbon Cable
£20.50
KT101-ROHS
Available to order
Sealevel KT101-ROHS
Terminal Block Kit: TB02 + CA112 Cable
£120.50
CA356-ROHS
Available to order
Sealevel CA356-ROHS
182cm USB Type A to SeaLATCH USB Type B Device Cable
£19.50
2807
Available to order
Sealevel 2807
8 Port RS-232/485 RJ45 Versacom Serial to USB Adapter
£435.50
2804
Available to order
Sealevel 2804
8 Port RS-232 RJ45 Serial to USB Adapter
£466.00
410W
Available to order
Sealevel 410W
Wireless 802.11b/g Modbus TCP to 16 Isolated Digital Input/16 Reed Relay Output Adapter
£353.50
570W
Available to order
Sealevel 570W
Wireless 802.11b/g Modbus TCP to 8 Analog Input – 8 Isolated Digital Input/8 Form C Relay Output Adapter
£502.00
462N
Available to order
Sealevel 462N
96 Channel TTL DB78 Digital Interface SeaI/O Expansion Module
£313.50
450E
Available to order
Sealevel 450E
Ethernet Modbus TCP to 16 Form C Relay Output Adapter
£353.50
450W
Available to order
Sealevel 450W
Wireless 802.11b/g Modbus TCP to 16 Form C Relay Output Adapter
£378.00
530M-OEM
Available to order
Sealevel 530M-OEM
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board
£415.00
440M-OEM
Available to order
Sealevel 440M-OEM
RS-485 Modbus RTU to 32 Reed Relay Output OEM Board
£291.00
530S-OEM
Available to order
Sealevel 530S-OEM
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board
£415.00
530W
Available to order
Sealevel 530W
Wireless 802.11b/g Modbus TCP to 16 Isolated Digital Input/16 Open-Collector Output Adapter
£526.50
540M
Available to order
Sealevel 540M
RS-485 Modbus RTU to 32 Open-Collector Output Adapter
£378.00
440S-OEM
Available to order
Sealevel 440S-OEM
RS-232 Modbus RTU to 32 Reed Relay Output OEM Board
£291.00
462E
Available to order
Sealevel 462E
Ethernet Modbus TCP to 96 Channel TTL DB78F Digital I/O Adapter
£409.00
KT108-ROHS
Available to order
Sealevel KT108-ROHS
Terminal Block Kit: TB08-KT + CA185 Cable
£110.00
KT109-ROHS
Available to order
Sealevel KT109-ROHS
Terminal Block Kit: (2) TB02 + CA184 Cable
£267.50
KT111-ROHS
Available to order
Sealevel KT111-ROHS
Terminal Block Kit: TB02 + CA206 Cable
£114.50
CA332-ROHS
Available to order
Sealevel CA332-ROHS
182cm SeaLATCH USB Type A to SeaLATCH USB Type B Device Cable
£19.50
CA355-ROHS
Available to order
Sealevel CA355-ROHS
182cm SeaLATCH USB Type A to USB Type B Device Cable
£19.50
CA179-ROHS
Available to order
Sealevel CA179-ROHS
182cm USB Type A to USB Type B - Device Cable
£15.50
2802
Available to order
Sealevel 2802
8 Port RS-422/485 DB9 Serial to USB Adapter
£503.50
2213
Available to order
Sealevel 2213
2 Port Isolated RS-232/422/485 (DB9) Serial to USB Adapter
£297.00
2102
Available to order
Sealevel 2102
1 Port RS-422/485/530 (DB25) Serial to USB Adapter
£159.00
KT104-ROHS
Available to order
Sealevel KT104-ROHS
Terminal Block Kit: TB04 + CA104 Cable
£107.00
470E-OEM
Available to order
Sealevel 470E-OEM
Ethernet Modbus TCP to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board
£526.50
470W
Available to order
Sealevel 470W
Wireless 802.11b/g Modbus TCP to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output Adapter
£563.50
520W
Available to order
Sealevel 520W
Wireless 802.11b/g Modbus TCP to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter
£378.00
120PoE-OEM
Available to order
Sealevel 120PoE-OEM
PoE Modbus TCP to 4 Optically Isolated Digital Input/4 Form C Relay Output Board
£244.50
440N
Available to order
Sealevel 440N
32 Reed Relay Output SeaI/O Expansion Module – board only
£291.00
440E
Available to order
Sealevel 440E
Ethernet Modbus TCP to 32 Reed Relay Output Adapter
£378.00
540W
Available to order
Sealevel 540W
Wireless 802.11b/g Modbus TCP to 32 Open-Collector Output Adapter
£477.50
463E-OEM
Available to order
Sealevel 463E-OEM
Ethernet Modbus TCP to 96 Channel TTL Digital I/O OEM Board
£332.00
540E-OEM
Available to order
Sealevel 540E-OEM
Ethernet Modbus TCP to 32 Open-Collector Output OEM Board
£439.50
530E
Available to order
Sealevel 530E
Ethernet Modbus TCP to 16 Isolated Digital Input/16 Open-Collector Output Adapter
£502.00
540S
Available to order
Sealevel 540S
RS-232 Modbus RTU to 32 Open-Collector Output Adapter
£378.00
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Showing 60 of 428