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    ABB Welcome M251021C — Camera Module Specifications

    September 08, 2026 1 min read

    Specification sheet for the ABB Welcome M251021C Camera Module, a wide-angle outdoor video door station camera with anti-fog heater.

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    Full text manual (for reference)

    Specification sheet for the ABB Welcome™ M251021C Camera Module — a wide-angle outdoor video door station camera with anti-fog heater and adjustable field of view, for use with ABB Welcome video intercom systems.

    Overview

    The M251021C is a wide-angle color camera module for video outdoor station configurations. It can be mechanically adjusted for optimal placement, and is equipped with an anti-fog device (built-in heater) to keep the image clear in all conditions.

    Key Features

    • Video color camera with large detection angle: H 86°, V 67°, D 104°
    • Manually and mechanically adjustable: H ± 15°, V ± 15°
    • Built-in infrared lighting for clear night pictures and stealth surveillance from the video indoor station
    • Anti-fog design with built-in heater ensures a clear image
    • Option to connect one additional analog camera for surveillance
    • Conforms to PAL and NTSC video standards

    Connector / Control Reference

    Number Function
    1 Connector for additional analog camera
    2 Connector for audio module
    3 Jumper for setting the video format: PAL/NTSC
    4 Adjust the camera view area

    Specifications

    Operating Temperature -40°F to +158°F
    Ingress Protection IP54
    Bus Voltage 20–30 VDC (from system controller or system component configured as local power supply through audio module)
    Product Dimensions 2.83" x 3.82" x 1.61"

    Contact / Support

    ABB Low Voltage Products, 8155 T&B Boulevard, Memphis, TN 38125 — www.abb.us/lowvoltage
    USA Technical Support: 888-862-3289 | Customer Service: 888-862-3290, 7:00 a.m. – 5:30 p.m. CST, Monday – Friday | techsupport@tnb.com