Products
Alarm Lock Sirenlock 250 / 260 Exit Alarm — US28 Aluminum, Standard or Weatherproof
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Alarm Lock Sirenlock 250 / 260 Exit Alarm — US28 Aluminum, Standard or Weatherproof
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Please contact us by email or phone for pricing on this item.
Alarm Lock Sirenlock 250 / 260 — Clapper-Plate Exit Alarm
Alarm Lock Sirenlock 250 / 260 are UL-listed clapper-plate exit alarms that deter unauthorized exit use with a loud 95 dB dual-tone siren, while allowing instant egress in emergencies. Battery-powered (9V), non-handed, surface-mounted; accepts a standard rim cylinder for arming/disarming from outside. 250 offers changeable two-minute cutoff or constant alarm; 260 offers changeable two-minute auto-reset or manual reset. Weather-resistant WP variants available.
Lead time: US28 Aluminum is commonly stocked; WP and “L” (24″ plate) versions vary by distributor.
- VendorAlarm Lock (NAPCO)
- Models250 (cutoff/constant) • 260 (auto-reset/manual)
- Power9V battery (audible low-battery warning)
- Sounder95 dB dual-tone piezo (≈10′)
- Dimensions18″ W × 8-1/2″ H × 3-1/4″ D (std) • 24″ W (L)
- MountingSurface; center ≈ 38″ A.F.F.; single or pair doors
- CylinderStandard rim cylinder (sold separately)
- Weight (ship)≈ 10 lb
- ComplianceUL Listed; meets/exceeds ADA & relatching requirements
- US28 — Anodized Aluminum (standard for 250/260, incl. WP)
Other colors are on different Sirenlock models (e.g., 700 Red/Duranodic); call for specials.
| Operation | Arms with door closed; opening triggers siren; exterior key controls arm/disarm |
| Alarm Modes | 250: 2-min cutoff or constant • 260: 2-min auto-reset or manual reset |
| Temperature | Std: ~20°F to 135°F • WP: ~-20°F to 140°F (outdoor-rated) |
| Plate Widths | Standard 18″ • Long 24″ (“L” models) |
| Includes | Unit, battery, template; cylinder/accessories ordered separately |
Use case: Back-of-house exits, retail stock doors, stair towers—where an audible alarm deters unauthorized exit.
Installation Difficulty
Level 2 — Skilled DIY: Template layout, cylinder prep, and alarm-mode jumper selection.
Alarm Lock Sirenlock 700 / 710 — 33″ Alarmed Panic Exit Device, US28, Standard & Weatherproof
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Please contact us by email or phone for pricing on this item.
Alarm Lock Sirenlock 700 / 710 — 33″ Alarmed Panic Exit Device (US28) + Weatherproof Options
Alarm Lock Sirenlock 700 / 710 is a full-width alarmed panic exit device with deadbolt + deadlatch that sounds a 95–99 dB siren to deter unauthorized egress while still providing instant life-safety exit. Standard 33″ bar; 48″ bars available special order. Weatherproof (WP) versions are rated for harsh exposure (approx. −20 °F to +140 °F).
Lead time: Common stock (US28 finish, 33″); Weatherproof and special finishes typically stock or short lead—confirm current availability.
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VendorAlarm Lock (Napco Security Technologies)
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Models700 (2-min cutoff or manual reset) • 710 (2-min auto-reset or manual)
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Weatherproof700X28WP • 710X28WP (outdoor-rated)
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Door TypeSingle or pair (non-handed), surface mount
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Bar Length33″ standard • 48″ special order
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CylinderAccepts standard rim cylinder (ordered separately)
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AlarmDual-piezo ~95–99 dB; low-battery alert
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Power9V battery (included); AC kits available
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ComplianceUL, ADA, CFM, NYC Housing (per mfr)
- US28 — Satin Aluminum (stock; SKU code
X28)
Special order (700 only): Red (700XRD) • Duronodic 312 (700X312). Call for availability.
| Overall (33″ bar) | ~33″ W × 8-1/2″ H × 3-1/4″ D |
| Operation (700) | Selectable 2-min cutoff or manual reset |
| Operation (710) | Selectable 2-min auto-reset or manual reset |
| Weatherproof (WP) | Rated for rain/precipitation; approx. −20 °F to +140 °F |
| Sounder | Dual-tone piezo ~95–99 dB |
| Power | 9V alkaline; audible low-battery warning |
| Cylinder | Standard rim (not included) |
| Mounting | Surface; non-handed; single or double door |
Manufacturer has not published a 700/710 walk-through video. We’ll add it here if/when released.
Installation Difficulty
Level 3 — Skilled: Template layout, correct standoff, cylinder fitment, alarm programming.
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