{"id":383,"date":"2026-06-14T11:28:44","date_gmt":"2026-06-14T11:28:44","guid":{"rendered":"https:\/\/redfire.co.in\/?post_type=product&p=383"},"modified":"2026-06-27T14:06:30","modified_gmt":"2026-06-27T14:06:30","slug":"addressable-smoke-detector-3","status":"publish","type":"product","link":"https:\/\/redfire.co.in\/?product=addressable-smoke-detector-3","title":{"rendered":"Addressable Smoke Detector"},"content":{"rendered":"
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Edwards Addressable Smoke Detector<\/span><\/h1>\n
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Overview<\/span><\/h2>\n

The\u00a0<\/span>Edwards Addressable Smoke Detector<\/span><\/strong>\u00a0is an intelligent, high-performance photoelectric smoke detection device engineered to provide fast, reliable, and precise early warning of fire in commercial, industrial, and institutional applications. Manufactured by\u00a0<\/span>Edwards<\/span><\/strong>\u00a0\u2014 a trusted brand under\u00a0<\/span>UTC Fire & Security<\/span><\/strong>\u00a0with decades of fire safety expertise and a global reputation for innovation \u2014 this detector combines advanced optical sensing technology with intelligent addressable communication to deliver performance that surpasses conventional detectors<\/span>.<\/span><\/p>\n

Available in multiple configurations including the\u00a0<\/span>Signature Optica Series (SIGA-OSD)<\/span><\/strong>,\u00a0<\/span>Signature Series (SIGA-PS)<\/span><\/strong>,\u00a0<\/span>SIGA-PD<\/span><\/strong>, and advanced\u00a0<\/span>multi-criteria detectors (SIGA-OSHD)<\/span><\/strong>, the Edwards addressable smoke detector range offers unmatched flexibility to suit any application requirement<\/span>. Each detector features a sleek, low-profile design that fits perfectly into any environment while minimising the nuisance, expense, and productivity loss associated with false alarms<\/span>.<\/span><\/p>\n

Whether you’re equipping a commercial building, an industrial facility, a hospital, a data centre, or a residential complex, Edwards addressable smoke detectors deliver the intelligence, reliability, and performance you need for comprehensive fire protection<\/span>.<\/span><\/p>\n

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Key Features<\/span><\/h2>\n
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Feature<\/span><\/th>\nDescription<\/span><\/th>\n<\/tr>\n<\/thead>\n
Intelligent Photoelectric Sensing<\/span><\/strong><\/td>\nAdvanced optical sensing technology engineered to sense smoke produced by a wide range of combustion sources<\/span><\/td>\n<\/tr>\n
Multi-Criteria Detection<\/span><\/strong><\/td>\nDual optical wavelengths and multiple detection angles accurately identify smoke while reducing nuisance alarms from cooking or airborne particulates<\/span><\/td>\n<\/tr>\n
Analogue Addressable Communication<\/span><\/strong><\/td>\nDigital communication with the fire alarm control panel via Signature Loop Controller for real-time status updates and precise point identification<\/span><\/td>\n<\/tr>\n
Onboard Microprocessor<\/span><\/strong><\/td>\nMeasures and analyses signals, comparing information to historical readings and time patterns to make an alarm decision<\/span><\/td>\n<\/tr>\n
Programmable Sensitivity<\/span><\/strong><\/td>\nFive programmable sensitivity settings to suit specific environmental conditions<\/span><\/td>\n<\/tr>\n
Twenty Pre-Alarm Levels<\/span><\/strong><\/td>\nUp to twenty pre-alarm sensitivity values, set in 5% increments, for advanced early warning<\/span><\/td>\n<\/tr>\n
Electronic Addressing<\/span><\/strong><\/td>\nUnique, programmable address ensures precise identification and reporting to the control panel<\/span><\/td>\n<\/tr>\n
Automatic Device Mapping<\/span><\/strong><\/td>\nSimplifies installation and ensures correct device placement on the loop<\/span><\/td>\n<\/tr>\n
Automatic Day\/Night Sensitivity Adjustment<\/span><\/strong><\/td>\nOptimises detector performance based on ambient conditions<\/span><\/td>\n<\/tr>\n
Environmental Compensation<\/span><\/strong><\/td>\nTwo levels of environmental compensation ensure stable long-term performance<\/span><\/td>\n<\/tr>\n
Dirty Detector Warning<\/span><\/strong><\/td>\nTwo levels of dirty detector warning for proactive maintenance<\/span><\/td>\n<\/tr>\n
Built-in Self-Diagnostics<\/span><\/strong><\/td>\nContinuous self-monitoring ensures reliable operation with reduced maintenance requirements<\/span><\/td>\n<\/tr>\n
Digital Filters<\/span><\/strong><\/td>\nRemove signal patterns not typical of fires, virtually eliminating unwanted alarms<\/span><\/td>\n<\/tr>\n
Twin RED\/GREEN Status LEDs<\/span><\/strong><\/td>\nClear visual indication of detector status<\/span><\/td>\n<\/tr>\n
Non-Volatile Memory<\/span><\/strong><\/td>\nRetains configuration and settings even during power loss<\/span><\/td>\n<\/tr>\n
Plug-In Design<\/span><\/strong><\/td>\nDetector plugs into compatible bases for simplified installation, maintenance, and field replacement<\/span><\/td>\n<\/tr>\n
Supports Up to 250 Devices<\/span><\/strong><\/td>\nEach loop supports up to 250 Signature addresses for flexible system design<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Available Models<\/span><\/h2>\n
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Model<\/span><\/th>\nDescription<\/span><\/th>\n<\/tr>\n<\/thead>\n
SIGA-OSD<\/span><\/strong><\/td>\nIntelligent addressable optical smoke detector from the Signature Optica Series; multi-criteria photoelectric detector using dual optical wavelengths and multiple detection angles<\/span><\/td>\n<\/tr>\n
SIGA-PS<\/span><\/strong><\/td>\nSignature Series intelligent photoelectric smoke detector with wide 0.67% to 3.77%\/ft. sensitivity range<\/span><\/td>\n<\/tr>\n
SIGA-PD<\/span><\/strong><\/td>\nIntelligent addressable photoelectric smoke detector with 68 \u00b5A alarm current and 51 \u00b5A normal operating current<\/span><\/td>\n<\/tr>\n
SIGA-OSHD<\/span><\/strong><\/td>\nIntelligent multi-sensor smoke and heat detector combining optical smoke sensing with rate-of-rise heat sensing and fixed temperature setting (135\u00b0F \/ 57\u00b0C)<\/span><\/td>\n<\/tr>\n
SIGA-OSD-FCN<\/span><\/strong><\/td>\nAddressable smoke detector with flush mount ceiling niche design<\/span><\/td>\n<\/tr>\n
SIGA-SD<\/span><\/strong><\/td>\nIntelligent duct smoke detector for HVAC applications<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Technical Specifications<\/span><\/h2>\n
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Parameter<\/span><\/th>\nSpecification<\/span><\/th>\n<\/tr>\n<\/thead>\n
Brand<\/span><\/strong><\/td>\nEdwards \/ EST (UTC Fire & Security)<\/span><\/td>\n<\/tr>\n
System Type<\/span><\/strong><\/td>\nAnalogue Addressable<\/span><\/td>\n<\/tr>\n
Protocol<\/span><\/strong><\/td>\nSignature Loop Controller<\/span><\/td>\n<\/tr>\n
Operating Voltage<\/span><\/strong><\/td>\n15.2 to 19.95 VDC (19 VDC nominal)<\/span><\/td>\n<\/tr>\n
Normal Operating Current<\/span><\/strong><\/td>\n51 \u00b5A (SIGA-PD)<\/span><\/td>\n<\/tr>\n
Alarm Current<\/span><\/strong><\/td>\n68 \u00b5A<\/span><\/td>\n<\/tr>\n
Sensitivity Range<\/span><\/strong><\/td>\n0.5 to 4.36 %\/ft. (1.6 to 13.6 %\/m) smoke obscuration<\/span><\/td>\n<\/tr>\n
Sensitivity Settings<\/span><\/strong><\/td>\nFive programmable settings<\/span><\/td>\n<\/tr>\n
Pre-Alarm Levels<\/span><\/strong><\/td>\nUp to twenty pre-alarm levels<\/span><\/td>\n<\/tr>\n
Operating Temperature<\/span><\/strong><\/td>\n0\u00b0C to 49\u00b0C (32\u00b0F to 120\u00b0F)<\/span><\/td>\n<\/tr>\n
Storage Temperature<\/span><\/strong><\/td>\n-20\u00b0C to 60\u00b0C<\/span><\/td>\n<\/tr>\n
Relative Humidity<\/span><\/strong><\/td>\n0 to 93% RH, non-condensing<\/span><\/td>\n<\/tr>\n
Air Velocity Rating<\/span><\/strong><\/td>\n0 to 4,000 ft\/min (0 to 20 m\/s)<\/span><\/td>\n<\/tr>\n
Dimensions<\/span><\/strong><\/td>\n2.30″ \u00d7 4.30″ \u00d7 4.30″<\/span><\/td>\n<\/tr>\n
Weight<\/span><\/strong><\/td>\n0.2 lbs<\/span><\/td>\n<\/tr>\n
Body Material<\/span><\/strong><\/td>\nHigh Impact Engineering Polymer – White<\/span><\/td>\n<\/tr>\n
Mounting<\/span><\/strong><\/td>\nPlug-in to compatible bases<\/span><\/td>\n<\/tr>\n
Maximum Devices per Loop<\/span><\/strong><\/td>\n250 Signature addresses<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Compatible Detector Bases<\/span><\/h2>\n
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Base Model<\/span><\/th>\nDescription<\/span><\/th>\n<\/tr>\n<\/thead>\n
Standard Base<\/span><\/strong><\/td>\nStandard mounting base for basic installation<\/span><\/td>\n<\/tr>\n
Relay Base<\/span><\/strong><\/td>\nProvides relay output for external device activation<\/span><\/td>\n<\/tr>\n
Fault Isolator Base<\/span><\/strong><\/td>\nBuilt-in short circuit isolation for enhanced system reliability<\/span><\/td>\n<\/tr>\n
Audible Base<\/span><\/strong><\/td>\nSounder base with audible alarm capability<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Why Choose Edwards Addressable Smoke Detector?<\/span><\/h2>\n
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    Trusted Global Brand<\/span><\/strong>\u00a0\u2014 Manufactured by Edwards, a UTC Fire & Security company with decades of fire safety expertise and global leadership<\/span><\/p>\n<\/li>\n

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    UL 268 7th Edition Listed<\/span><\/strong>\u00a0\u2014 Certified by Underwriters Laboratories for safety and performance<\/span><\/p>\n<\/li>\n

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    ISO 9001 Certified<\/span><\/strong>\u00a0\u2014 Designed and manufactured to ISO 9001 quality standards<\/span><\/p>\n<\/li>\n

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    Superior False Alarm Immunity<\/span><\/strong>\u00a0\u2014 Multi-criteria detection with dual optical wavelengths reduces nuisance alarms from cooking and airborne particulates<\/span><\/p>\n<\/li>\n

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    Advanced Detection Technology<\/span><\/strong>\u00a0\u2014 Onboard microprocessor with digital filters and historical pattern analysis virtually eliminates unwanted alarms<\/span><\/p>\n<\/li>\n

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    Flexible Configuration<\/span><\/strong>\u00a0\u2014 Five programmable sensitivity settings and twenty pre-alarm levels to suit any environment<\/span><\/p>\n<\/li>\n

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    Easy Installation & Maintenance<\/span><\/strong>\u00a0\u2014 Electronic addressing, automatic device mapping, and plug-in design simplify installation and maintenance<\/span><\/p>\n<\/li>\n

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    Continuous Self-Monitoring<\/span><\/strong>\u00a0\u2014 Built-in self-diagnostics, dirty detector warnings, and environmental compensation ensure reliable operation<\/span><\/p>\n<\/li>\n

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    Comprehensive Approvals<\/span><\/strong>\u00a0\u2014 UL Listed, meets stringent international safety standards<\/span><\/p>\n<\/li>\n

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    Wide Compatibility<\/span><\/strong>\u00a0\u2014 Compatible with all Edwards fire alarm systems operating on a Signature Loop Controller<\/span><\/p>\n<\/li>\n<\/ul>\n

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    Ideal Applications<\/span><\/h2>\n
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      Commercial Buildings<\/span><\/strong>\u00a0\u2014 Office complexes, shopping malls, retail spaces, and hotels<\/span><\/p>\n<\/li>\n

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      Industrial Facilities<\/span><\/strong>\u00a0\u2014 Factories, warehouses, manufacturing plants, and data centres<\/span><\/p>\n<\/li>\n

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      Healthcare Facilities<\/span><\/strong>\u00a0\u2014 Hospitals, clinics, and nursing homes<\/span><\/p>\n<\/li>\n

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      Educational Institutions<\/span><\/strong>\u00a0\u2014 Schools, colleges, and universities<\/span><\/p>\n<\/li>\n

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      Residential Complexes<\/span><\/strong>\u00a0\u2014 Apartments, housing societies, and gated communities<\/span><\/p>\n<\/li>\n

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      Public Buildings<\/span><\/strong>\u00a0\u2014 Auditoriums, theatres, airports, and community centres<\/span><\/p>\n<\/li>\n

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      Transportation Hubs<\/span><\/strong>\u00a0\u2014 Railway stations, bus terminals, and airports<\/span><\/p>\n<\/li>\n

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      Duct Installations<\/span><\/strong>\u00a0\u2014 Suitable for duct applications with air velocity up to 4,000 ft\/min<\/span><\/p>\n<\/li>\n<\/ul>\n

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      Compliance & Standards<\/span><\/h2>\n
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        UL 268 7th Edition<\/span><\/strong>\u00a0\u2014 Listed by Underwriters Laboratories for smoke detectors<\/span><\/p>\n<\/li>\n

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        ISO 9001<\/span><\/strong>\u00a0\u2014 Designed and manufactured to ISO 9001 quality standards<\/span><\/p>\n<\/li>\n

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        Signature Loop Protocol<\/span><\/strong>\u00a0\u2014 Compatible with Edwards Signature Loop Controllers<\/span><\/p>\n<\/li>\n

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        Plug-In Design<\/span><\/strong>\u00a0\u2014 Standardised interface for compatible mounting bases<\/span><\/p>\n<\/li>\n<\/ul>\n

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        For detailed product inquiries, technical support, or to place an order, please contact our sales team.<\/span><\/em><\/p>\n<\/div>\n<\/div>\n

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        <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        The\u00a0<\/span>Edwards Addressable Smoke Detector<\/span><\/strong>\u00a0is an intelligent, high-performance photoelectric smoke detection device engineered to provide fast, reliable, and precise early warning of fire in commercial, industrial, and institutional applications. Manufactured by\u00a0<\/span>Edwards<\/span><\/strong>\u00a0\u2014 a trusted brand under\u00a0<\/span>UTC Fire & Security<\/span><\/strong>\u00a0with decades of fire safety expertise and a global reputation for innovation \u2014 this detector combines advanced optical sensing technology with intelligent addressable communication to deliver performance that surpasses conventional detectors<\/span>.<\/span><\/p>\n","protected":false},"featured_media":435,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[34],"product_cat":[15],"product_tag":[],"class_list":["post-383","product","type-product","status-publish","has-post-thumbnail","product_brand-edward","product_cat-uncategorized","first","instock","shipping-taxable","purchasable","product-type-simple"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/redfire.co.in\/index.php?rest_route=\/wp\/v2\/product\/383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/redfire.co.in\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/redfire.co.in\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/redfire.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/redfire.co.in\/index.php?rest_route=\/wp\/v2\/media\/435"}],"wp:attachment":[{"href":"https:\/\/redfire.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=383"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/redfire.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=383"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/redfire.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=383"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/redfire.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}