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    SECO-LARM SA-027HQ — Annual Timer Module Comparison Chart (New vs. Old)

    September 08, 2026 2 min read

    Comparison chart for the SECO-LARM ENFORCER SA-027HQ Annual Timer Module, New vs. Old versions.

    💾 Download Original PDF 🛒 View Product
    Full text manual (for reference)

    Comparison chart for the SECO-LARM ENFORCER SA-027HQ Annual Timer Module — New vs. Old versions — a programmable relay timer used to automate lighting, locks, or other equipment on a weekly or annual schedule.

    New vs. Old: SA-027HQ Comparison

    Feature SA-027HQ (New) SA-027HQ (Old)
    Plastic case 4-3/16" x 3-1/16" x 1-1/4" (107x78x31mm)
    Relay Dry Form C x2, 10A@24VDC
    Connection 16 pins 14 pins
    Operating voltage 10~48 VDC, 12~24VAC 10~24 VDC, 12~24VAC
    Egress / first man input Yes, for each relay
    Backup battery (not included) 12VDC battery 12 or 24VDC battery
    LCD display 16x2 standard module 8x2 standard module
    Program switch 2 4
    LED indicator 2x relay red LED indicator Power on
    Back light Yes, white LED Yes, yellow-green LED
    Tandem Yes, disable/enable by program Yes, by jumper switch
    Timer backup battery Super capacitor CR2032
    Memory saved if power fails Yes
    Clock format 24-hour
    Security code Yes, disable/enable, 4-digit (pre-set 0000)
    Setting the time Yes, visual to the second Yes, without visual to the second
    Setting the event Any 1–7 day block schedule, holiday event, or annual event; 99 events per relay (198 total); Relay Disable/ON/OFF/Time 1–99 seconds Block schedule, holiday event, or day-of-week event; 50 events per relay (100 total); Relay ON/OFF/Pulse 1–99 seconds
    Setting holiday 1–31 days, start 00:00 & end 23:59; up to 20 holidays 1 day, start time programmable; up to 10 holidays
    Setting DST Yes — USA / EU-E / EU-C / EU-W / ON / OFF Yes, USA DST only
    System test Program relay ON or OFF By Up and Down tact switch
    LCD display contrast 0–10 level adjustment, or by SEL & ENTER switch No
    Clear memory / exit program Yes; 30-second auto exit or enter exit symbol
    Status check Yes — relay 1/2 ON or OFF, power input voltage, backup battery voltage/charge symbol, and device temperature (for easy troubleshooting) No
    Smart charge function Yes — won't charge backup battery below 9.5V, stops charging above 12.8V or after one week without discharge, and auto-resumes charging when the adapter or backup battery is connected after two+ weeks without charge No

    Warranty

    SECO-LARM's policy is one of continual development; specifications and prices are subject to change without notice. SECO-LARM is not responsible for misprints.

    SECO-LARM U.S.A., Inc. — 16842 Millikan Avenue, Irvine, CA 92606 | (949) 261-2999 / (800) 662-0800 | www.seco-larm.com