Visonic Supervised Smoke Detector

The MCT-426 is a fully supervised wireless photoelectric smoke detector compatible with PowerMax and other Visonic PowerCode wireless systems. Achieving superior smoke detection sensitivity levels, the MCT-426 provides early warning of developing fire. When smoke is detected, it issues both sound and transmitted alarms and communicates it to connected systems. To ensure secure communication, transmissions use a PowerCode 24-bit ID command code, which is selected from 16 million possible combinations and is therefore unique and virtually impossible to accidentally reproduce. A smart anti-collision algorithm prevents signal jamming by simultaneous transmissions from multiple devices. Operates on one CR123A Lithium Battery for 5 years (typical).

Specifications
Manufacturer	Visonic
Manufacturer Product No.	MCT-426
UPC	7290103302139
Alarm Sound Level	85 dB at 10' (3m)
Operating Frequency	315 MHz
Transmitter ID Code	24-bit digital word 16 million combinations
Overall Message Length	36 bits
Supervision	Automatic signaling at 60-minute intervals
Tamper Alerts	Tamper event reported once Tamper restore reported once
Transmission Indicator	Yellow LED
Alarm Report	Every 20 sec for first 3 min Every 3 min until 30 min Alarm stops at 30 min or if it enters "alarm restore" After 30 min, an alarm bit is sent per supervision package
Power Requirement	1x CR123A or CR17450 battery
Operating Voltage	2.7 to 3 VDC
Power Consumption	18 µA standby, 70 mA operating
Smoke Density	1.44%/ft to 2.74%/ft
Coverage	1770-3530 cu ft (50-100 cu m)
Battery Supervision	Auto transmits battery status
Battery Life	Minimum 5 years
Audible/Visual Low Battery Warning	Beep every 30 sec and simultaneous flashing red LED
Audible/Visual Sensor Warning	Beep every 30 sec alternating with flashing red LED
Clean Warning Transmission	Transmits when sensor becomes stained (on PowerMax+ only)
Approvals	FCC, CE, UL 268
Weight	5.8oz (165g)
Operating Temperature	14° to 122°F (-10° to 50°C)
Operating Humidity	10% to 85%
Dimensions	4.7" dia x 2.3" (120 dia x 58 mm)
Mfgr Warranty	1 year, limited 5 years for battery

1 Review

Battery doesn't last more than a year Review by SJC

Battery doesn't last more than a year SJC

Rating

I have 4 of these and each has only lasted 1 year on the battery...not 5-8 years!
I even replaced them with better batteries (energizer and duracel)...no different.

Posted on 3/24/2015

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- 1x - Supervised Smoke Detector
- 1x - Mounting Bracket
- 1x - CR123A Battery
- 1x - Instruction Manual