Bosch EN1243 Specsheet
Intrusion Alarm Systems | EN1243 Smoke/Heat Detector-Transmitter
EN1243 Smoke/Heat Detector-Transmitter
www.boschsecurity.com
u Fully supervised transmitter to maximize reliability
u Detects smoke, heat threshold, and heat rate of rise
u Built-in sounder for alarm alerts
The EN1243 Smoke/Heat Detector-Transmitter
provides residential grade smoke and heat detection
and includes the Inovonics EchoStream platform as
well as GE Interlogix CleanMe technology. The EN1243
includes two batteries, providing up to five years of
operation.
System overview
Powered by Inovonics
The Inovonics EchoStream platform, powered by
Inovonics wireless mesh network technology, ensures
superior range, reliability, and scalability for
residential and commercial applications. Using a wide
range of transmitters and repeaters, this proven
technology provides flexibility and performance to
meet the most stringent requirements. This exclusive
protocol is available only on Inovonics EchoStream
products.
Wireless 900 MHz Band
The Inovonics EchoStream platform sends redundant
information on several multi-frequency channels within
the FCC Part 15 900 MHz band, providing superior
range and reliability. In comparison, systems that use a
u Monitored CleanMe signal
u Disposable optical block chamber
single frequency technology can only send information
on one narrow band channel. Any interference within
the band can cause missed signals.
Functions
Supervision
The battery activity and radio link are supervised.
Monitoring helps ensure reliable operation.
Monitored CleanMe Signal
The CleanMe signal indicates when the smoke
detector is out of specification, increasing system
integrity and reducing false alarms. CleanMe selfdiagnostics monitor the detector’s sensitivity and
operational status. If the detector drifts out of the
desired sensitivity range or fails internal diagnostics, it
extinguishes its LED and sends a signal to the receiver.
Disposable Block Chamber
The disposable chamber allows for on-site cleaning,
eliminating the need to send detectors to the factory
for cleaning.
Certifications and approvals
Inovonics Wireless Corporation holds the following
approvals:
2 | EN1243 Smoke/Heat Detector-Transmitter
Region Certification
USA UL 217 - Standard for Smoke Alarms
FCC Part 15 Class B
Canada IC: 2309A-OT9ESL
The EN1243 is not a CSFM approved smoke alarm, per
California Health and Safety Code Section 13114
(State Fire Marshal Information Bulletin 14-007).
Installation/configuration notes
Compatibility Information
The EN1243 Smoke/Heat Detector-Transmitter is
compatible with the following products:
Receivers
EN4016SK Survey Receiver
EN4200 Serial Receiver
EN4204R LED Receiver
Repeater
EN5040‑T High-power Repeater
Power requirements
Power/Voltage Two CR123A Lithium battery, 3 VDC
Battery life 3 to 5 years. Typical battery life shown
is for supervised operation using
recommended check-in times.
Battery replacement PanasonicCR123A, or approved
equivalent. Not all brands are
equivalent. Use the brand specified.
Ordering information
EN1243 Smoke/Heat Detector-Transmitter
Provides smoke and heat detection functions,
disposable optical block chamber and CleanMe signal.
Includes two batteries.
Order number EN1243
Parts included
Quantity Component
1 Detector‑transmitter
2 Batteries
Technical specifications
Properties
Dimensions Detector: 5.6 in. x 2.4 in. (14.2 cm x
6.1 cm)
Base: 5.4 in. x 0.46 in. (13.7 cm x
1.17 cm)
Weight 8.9 oz
Smoke detector sensitivity 0.14 ± 0.04 dB/m
Drift compensation 0.5%/ft (1.64%/m) max
Heat alarm fixed 135°F ± 5°F (57.2°C ± 2.8°C)
Heat alarm rate of rise 15°F/m > 105°F (8.3°C/m > 40.6°C)
Alarm sounder 85 dB @ 3 m, temporal output
Environmental considerations
Temperature (operating) +32°F to +100°F (-0°C to +38°C)
Frequency 902 MHz to 928 MHz
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