Bosch ET90-24MCC-NW, ET90-24MCC-FW, ET90-24MCC-FR, ET90-24MCC-FN Specsheet
Fire Alarm Systems | ET90 Multi‑candela, Ceiling‑mount, High‑performance Speaker Strobes
ET90 Multi‑candela, Ceiling‑mount,
High‑performance Speaker Strobes
www.boschsecurity.com
u 24 VDC, filtered or unfiltered
u Field‑selectable candela settings (15 cd, 30 cd,
75 cd or 95 cd)
The ET90 Multi‑candela Speaker Strobes provide high
audio output with clear audibility, and four
field‑selectable light intensity settings (15 cd, 30 cd,
75 cd or 95 cd). They are designed to meet the critical
needs of the life safety industry for effective
emergency voice communications, tone signaling and
visible signaling to alert the hearing impaired. These
notification appliances provide a way to alert hearing
impaired persons of an alarm condition, and are
well‑suited for areas of public gathering such as
stores, schools, hospitals, nursing homes and offices.
A speaker mounting plate with a built‑in level
adjustment allows for a faster and easier installation.
The two‑screw grill cover creates an attractive
appearance.
The high‑efficiency speakers are designed for
maximum output at a minimum wattage across a
frequency range of 400 Hz to 4 kHz.
When used with the SM (single) or DSM (dual)
Synchronization Modules, the strobe produces a
synchronized flash for compliance with ADA guidelines
concerning photosensitive epilepsy. All strobe input is
u ADA, NFPA, ANSI compliant
u Compatible with SM and DSM Synchronization
Modules
u Low average current draw with zero inrush current
compatible with standard reverse polarity type
supervision of circuit wiring by a fire alarm control
panel (FACP).
Certifications and approvals
Cooper Wheelock, Inc. holds these Listings and
Approvals:
Region Certification
USA UL UUKC: Signaling Appliances and Equip-
ment for the Hearing Impaired
(UL1971), UUMW: Speakers and Amplifiers for Fire Protective Signaling Systems (UL1480, UL1711, and UL2043)
CSFM see our website
Installation/configuration notes
Compatible Products
The following products are compatible with the ET90
Speaker Strobes:
2 | ET90 Multi‑candela, Ceiling‑mount, High‑performance Speaker Strobes
Category Product ID Product Description
Control
D7022
1
Conventional FACP
Panels
D7024
FPD‑7024
2
Conventional or Addressable FACPs
2
Conventional or Addressable FACPs
FPA‑1000 Analog Addressable Fire Panels
D8024
D9124
D10024A
1
1
1
Analog FACP
Addressable FACP
Analog FACP
Modules SM‑12/24‑R Synchronization module (red)
DSM‑12/24‑R Dual synchronization module (red)
These speakers are compatible with Wheelock SAFEPATH4 Facility
Communication Systems and Bosch Voice Evacuation Systems.
1
For synchronization, use the SM or DSM modules
with these control panels. The synchronization module
must be set for 24 V operation. When used, the D7022
must be set for 24 VDC operation.
2
When used with a D7039 Multiplex Expansion
Module, the D7024 and FPD‑7024 become
addressable fire alarm control panels (FACPs).
Mounting
The low profile design of these notification appliances
creates more wiring space in standard electrical back
boxes. The speaker mounting plate incorporates a
built‑in level adjustment feature allowing for a faster
and easier installation.
These speaker strobes ceiling mount on the indicated
back boxes for the indicated applications:
Conduit
Applications
Surface
Mounted
Flush Mounted
Four‑inch square* •
SBB Back Box • •
* Requires an SER extension ring.
Wiring
Notice
Do not use the strobe unit in coded or pulsed
signaling circuits.
Technical specifications
Electrical
Strobe Current (RMS maximum)
VDC: 15 cd = 65 mA; 30 cd = 105 mA;
75 cd = 189 mA; 110 cd = 249 mA
VFWR: 15 cd = 110 mA; 30 cd = 170 mA;
75 cd = 280 mA; 110 cd = 375 mA
Voltage (input)
Nominal: 24 VDC
Range: 16 VDC or FWR to 33 VDC or FWR
Environmental
Relative Humidity: Up to 85%, non‑condensing
Temperature
+32°F to +120°F (0° to +49°C)
(Operating):
Mechanical
Candela
15 cd, 30 cd, 75 cd, or 95 cd
Selections:
Dimensions
7.25 in. x 5.25 in. (18.4 cm x 13.3 cm)
(diameter x D):
Material: Molded plastic enclosure incorporating a Xenon
flashtube and Lexan lens.
Speaker Volume at 10 ft (3 m)
0.125 (1/8) W: 75 dBA
0.25 (1/4) W: 78 dBA
0.5 (1/2) W: 81 dBA
1 W: 84 dBA
2 W: 87 dBA
4 W: 90 dBA
8 W: 93 dBA
Trademarks
All hardware and software product names used in this
document are likely to be registered trademarks and
must be treated accordingly.
The input terminals accept wires with diameters
between 18 AWG and 12 AWG (ISO 0.75 mm2 and
4 mm2).
Parts included
Quant. Component
1 Speaker Strobe
1 Mounting Plate
1 Hardware pack
1 Literature pack
Ordering information
ET90‑24MCC‑FN High‑Performance Speaker Strobe
(nickel)
Nickel finish, 24 VDC ceiling‑mount device providing
high audio output with clear audibility, dual voltage
capability (25 VRMS or 70 VRMS), and field‑selectable
taps from 1/8 W to 8 W, and strobe intensities of
15 cd, 30 cd, 75 cd, or 95 cd.
Order number ET90-24MCC-FN
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