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    ABB Welcome M21351P1-A Video Outdoor Station — Specifications

    September 08, 2026 2 min read

    Specification sheet for the ABB Welcome M21351P1-A video outdoor station, 1/2 pushbutton aluminum.

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    Full text manual (for reference)

    Specification sheet for the ABB Welcome™ M21351P1-A Video Outdoor Station, 1/2 pushbutton aluminum — a pre-assembled video door station with camera and audio/pushbutton modules for single-family residences (configurable for two addresses).

    Overview

    Pre-assembled aluminum video outdoor station that includes a camera module (M251021C) and a module with 1/2 pushbutton (M251022A-A) in a 2-module cover frame (51022CF-A). Suitable for single-family residences, but can be easily configured to support two addresses. Can be either flush- or surface-mounted.

    Key Features

    • Dustproof and watertight to IP54, impact resistant to IK07
    • Pushbutton can be configured to call one or two apartments
    • Can be surface mounted (requires 41022F and 51022RH) or flush mounted (requires 41022F)

    Audio Module with Pushbutton — Front

    1 LED call status
    2 LED illuminates, indicating possible communication
    3 LED door status
    4 Call pushbuttons

    Audio Module with Pushbutton — Back

    1 Connector for camera module
    2 Connector for device software update
    3 Plug-in clamps (COM-NC-NO), 30 V AC/DC, 1 A
    4 Plug-in clamps (Lock-GND), 18 V, 4 A impulsive / 250 mA holding
    5 Plug-in clamps (DC-GND) for additional power supply
    6 Plug-in clamps (a-b) for bus connection
    7 Connector for induction loop module
    8 Connector for next module
    9 Connector for exit pushbutton
    10 Connector for sensor checking door status
    11 Rotary switch for setting the address of the outdoor station (1-9)
    12 Set feedback tones for pushbuttons: ON/OFF
    13 Configure pushbuttons in single- or double-column mode
    14 Configure functions of the 1st/2nd pushbutton
    15 Adjust the loudspeaker volume
    16 Adjust the door lock release time

    Camera Module

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

    Specifications

    Storage temperature -40°F to +158°F
    Ingress protection IP54
    Impact resistance IK07
    Wire clamps 2 x 0.28 mm² – 2 x 1 mm²
    Bus voltage 28 ± 2 VDC, 1.2 A (from system controller or system component configured as local power supply, through audio module)
    Product dimensions 7.91" x 4.92" x 1.93"

    Manufacturer

    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