{"product_id":"3-idc-edwards-3-idc84-initiating-device-circuit-module-8-inputs-4-nacs","title":"3-IDC | Edwards 3-IDC8\/4 Initiating Device Circuit Module, 8 Inputs \/ 4 NACs","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Edwards 3-IDC8\/4 (part number 3-IDC) is an initiating device circuit module designed for EST3 systems, providing eight supervised Class B input circuits with flexible configuration options. Up to four of the eight circuits can be reconfigured as Notification Appliance Circuits (NACs), supporting retrofit applications with existing wiring and devices. The 3-IDC enables seamless integration of conventional smoke detectors, contact devices, and signaling appliances into modern fire alarm systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdwards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-IDC (3-IDC8\/4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 supervised Class B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfigurable Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 4 as NACs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Standby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e53 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Alarm Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current (Rail\/Riser)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNAC Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Riser Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 W @ 70 VRMS, 60 W @ 25 VRMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNotification Appliance EOL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitiating Circuit EOL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.7 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne Local Rail Space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 30 photoelectric or 50 ionization detectors per circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18–12 AWG (1.0–2.5 mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAgency Listings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL, ULC, FM, LPCB EN54 (pending)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRetrofit integration of conventional circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e3-IDC\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 3-IDC is a local rail module that supports retrofit and new installation projects where conventional hardwired circuits need to interface with the EST3 system. It is compatible with normally open contact devices, as well as traditional two-wire smoke detectors, with software-selectable impedance ranges to eliminate compatibility issues. Each circuit may be programmed for latching or non-latching operation, with verification options available for smoke detection. The module also allows event-follower configurations for supervisory functions like fan or damper control, making it versatile in life safety applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight Supervised Inputs: Provides eight Class B input circuits for conventional devices.\u003c\/li\u003e\n\u003cli\u003eFlexible Configuration: Up to four of the eight circuits can be used as NAC outputs.\u003c\/li\u003e\n\u003cli\u003eWide Device Support: Compatible with N.O. contact devices and two-wire smoke detectors.\u003c\/li\u003e\n\u003cli\u003eRetrofit Ready: Ideal for upgrading systems without replacing existing wiring or detectors.\u003c\/li\u003e\n\u003cli\u003eSmoke Detector Capacity: Supports up to 30 photoelectric or 50 ionization detectors per circuit.\u003c\/li\u003e\n\u003cli\u003eSelectable Operations: Circuits configurable as verified or non-verified, latching or non-latching.\u003c\/li\u003e\n\u003cli\u003eEvent-Follower Mode: Enables supervisory operations like fan or damper monitoring.\u003c\/li\u003e\n\u003cli\u003eRemovable Terminals: Simplifies field wiring, troubleshooting, and module replacement.\u003c\/li\u003e\n\u003cli\u003eDisplay Integration: Works with 3-LCD and other control display modules for annunciation.\u003c\/li\u003e\n\u003cli\u003eAgency Listings: UL, ULC, FM, and LPCB EN54 pending certification for compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 3-IDC delivers the flexibility and supervision required to integrate conventional initiating devices with EST3 fire alarm systems.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":49105180262656,"sku":"3-IDC","price":1315.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/3-idc_1_edited.jpg?v=1785541989","url":"https:\/\/alotechparts.com\/products\/3-idc-edwards-3-idc84-initiating-device-circuit-module-8-inputs-4-nacs","provider":"Alo Tech Solutions","version":"1.0","type":"link"}