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    SECO-LARM SL-126 Strobe Lights — Installation Manual

    September 08, 2026 2 min read

    Installation manual and specifications for the SECO-LARM SL-126 series 2-wire strobe lights (amber, blue, clear, red lenses) for general signaling and notification applications.

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    Full text manual (for reference)

    Installation and specifications for the SECO-LARM SL-126 series Strobe Lights — a simple 2-wire signaling strobe for general "informative" alarm/notification applications. Available in four lens colors: SL-126A (amber), SL-126B (blue), SL-126C (clear), and SL-126R (red).

    Overview

    • 2-wire connection, 6~12 VDC input — improper polarity connection will not damage circuitry
    • Powerful xenon tube makes flash visible from a distance
    • Heavy-duty 18-gauge leads, 12" long, UL Listed
    • Operating lifetime of over 300 hours (2,000,000+ flashes)
    • Lens: high-impact, heat-resistant acryrex — available separately in clear, amber, red, or blue
    • Case: high-impact resistant ABS plastic, approx. 4" (10cm) diameter
    • Operating temperature range: -22°F (-30°C) to 140°F (60°C)
    • Two mounting screws (ø3x46 TP2) included

    Wiring

    Two-wire input connection only — Red: Positive, Black: Negative. Reverse polarity is protected; connecting backwards will not damage the unit but the strobe will not flash.

    Specifications

    Circuits All solid-state
    Input voltage 6 to 12 VDC
    Input current 120mA ± 20% at 6VDC; 200mA ± 20% at 12VDC
    Flash rate Over 60/minute at 6VDC; over 90/minute at 12VDC
    Illumination 100,000 candle power
    Operating life Over 2,000,000 flashes (450 hrs at 6VDC / 300 hrs at 12VDC)
    Electrical protection Reverse polarity protected
    Leads 18-gauge, UL Listed, 12" long
    Environment -22°F (-30°C) to 140°F (60°C)
    Base High-impact black ABS
    Lens High-impact and heat resistant acryrex — clear, amber, red, or blue
    Dimensions Approx. 4" (100mm) diameter × 2.9" (74mm) depth, 12" (305mm) lead length

    Model Numbers

    • SL-126A — Amber lens
    • SL-126B — Blue lens
    • SL-126C — Clear lens
    • SL-126R — Red lens

    CE-approved products are identified with the CE mark on the product. Contact SECO-LARM for further details. Copyright © 2001 SECO-LARM U.S.A., Inc. Specifications subject to change without notice.