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    SECO-LARM PH-A1612-PUQ / A3224 Series — Rack-Mount Power Supply Specifications

    September 08, 2026 2 min read

    Specifications for the SECO-LARM PH-A1612-PUQ / PH-A1612-GUQ / PH-A3224-PUQ / PH-A3224-GUQ Rack-Mount Power Supplies with 16 or 32 individually fused outputs.

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    Full text manual (for reference)

    Specifications for the SECO-LARM PH-A1612-PUQ / PH-A1612-GUQ / PH-A3224-PUQ / PH-A3224-GUQ Rack-Mount Power Supplies — 24/28 VAC distributed power supplies with 16 or 32 individually fused outputs for large multi-camera CCTV installations.

    Overview

    This family of rack-mount power supplies distributes 24/28 VAC to 16 or 32 outputs from a single compact 1U chassis, with each output individually fused for fault isolation. Models are available with either PTC (resettable) or glass fuses, and 16-output or 32-output configurations to match project size.

    Models

    • PH-A1612-PUQ — 16 outputs, 12A, PTC fuses
    • PH-A1612-GUQ — 16 outputs, 12A, glass fuses
    • PH-A3224-PUQ — 32 outputs, 24A, PTC fuses
    • PH-A3224-GUQ — 32 outputs, 24A, glass fuses

    Features

    • Compact 1U height fits into standard 19" equipment racks
    • Field-selectable power output: 24/28 VAC or OFF (per channel)
    • Status LEDs indicate if a fuse is tripped
    • Flexible mounting options: rack, wall, and desk mounting
    • Flexible cable management options
    • Removable screw terminal blocks
    • Overheat-protected power transformer(s) with thermal fuse
    • Glass fuse models: front panel opens for tool-free fuse access

    Technical Specifications

    Spec A1612-PUQ A1612-GUQ A3224-PUQ A3224-GUQ
    Fuse Type PTC* Glass PTC* Glass
    Input Voltage 120 VAC
    Number of Outputs 16 32
    Total Supply Current 12A@24VAC max. / 10A@28VAC max. 24A@24VAC max. / 20A@28VAC max.
    Max. Amps per Channel 3A@24VAC max.
    Rack Size 1U 19" (44.5x483mm)
    Dimensions 1¾" x 17½" x 11 13/32" (45x445x290mm)
    Weight 14 lb 14 oz (6.75kg) 22 lb 10 oz (10.25kg)

    * PTC = Positive Temperature Coefficient (resettable) fuse.

    Sample Application

    Typical setup feeds AC cameras and accessories directly from the rack-mount supply, while a separate ST-LA110-TTQ voltage converter steps power down for DC cameras and accessories on the same rack. Cable management brackets and hooks (G-shaped, with extra holes for cable ties) keep wiring professional and organized.

    Notes

    SECO-LARM's policy is one of continual development; specifications are subject to change without notice.