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SEALEVEL | SeaIO

SeaI/O-440U

Now includes NABL Calibration Certificate.
Rs. 38100.00

The SeaI/O-440U offers 32 SPST Form A Reed relays for industrial control, communicating via USB using Modbus RTU. It includes removable screw terminals for easy wiring and features Sealevel SeaLATCH USB port for secure connections..

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  • Detail
  • Special Features
  • Specification

The SeaI/O-440U is a USB-based I/O module with 32 SPST Form A Reed relays designed for industrial control and monitoring. The Reed relays provide long-life switching capabilities and can handle DC loads up to 60VDC @ 500mA, making it ideal for controlling low-current devices such as alarms, HVAC systems, or security controls.

The module communicates via USB using Modbus RTU, making integration with computers and control systems seamless. It is powered by a 9–30VDC source, and removable screw terminals simplify field wiring.

For added reliability, the SeaLATCH USB port ensures a secure connection with USB cables, preventing accidental disconnections. The module can be mounted on DIN rails or used on a tabletop, providing flexibility in installation.

The SeaI/O-440U supports up to 246 additional SeaI/O N-series modules for system expansion, making it suitable for large-scale industrial applications.

  • 32 SPST Form A Reed Relays – Switch up to 60VDC @ 500mA, ideal for controlling low-current devices in industrial environments

  • Sealevel SeaMAX API – Compatible with Windows and Linux systems for easy integration

  • Sealevel SeaLATCH USB Port – Provides a secure connection with USB cables via metal thumbscrews

  • Power Input – Operates on 9–30VDC, with optional Sealevel power supply options

  • Removable Screw Terminals – Simplifies field wiring for easy installation

  • DIN Rail or Table Mountable – Flexible mounting options for various environments

  • USB Communication – Uses Modbus RTU over USB for easy integration with control systems

  • Included USB Cable – Comes with a 6' USB Type A to SeaLATCH USB Type B cable (Item# CA356)

  • Expansion Capability – Supports up to 246 additional SeaI/O N-series modules

Parameter Details
Model Number 440U
Form Factor Enclosure
Host Interface USB
Communication Protocol Modbus RTU
Number of Inputs 0
Input Type N/A
Number of Outputs 32
Output Type Form A Reed Relays (60VDC @ 500mA)
Power Requirement 9–30 VDC @ 2.7W
Expansion Capability Supports up to 246 SeaI/O N-Series Modules
Software Compatibility SeaMAX API (Windows/Linux), Modbus RTU
iOS App Support N/A
Operating Temperature 0°C to 70°C (32°F to 158°F)
Storage Temperature -50°C to 105°C (-58°F to 221°F)
Humidity Range 10–90% RH, Non-Condensing
Dimensions (inches) 7.5" (L) x 5.1" (W) x 1.3" (H)