Cooper Wheelock DB3 Series, DB3UL048N2CNRZ, DB3UL110N2CNRZ Specification

Horns - Up to 108dB(A), Hazardous Location, Weatherproof

DB3 Range

Sounder/Strobe

Combination Unit

Description:

This range of light weight all GRP, explosionprrof horns is intended
for use in potentially explosive atmospheres and has been
designed with high ingress protection to cope with the harsh
environmental conditions found offshore and onshore in the oil,
gas and petrochemical industries.

The flamepaths, flare and the body, are manufactured completely
from a UV stable glass reinforced polyester. Stainless steel
screws and sinter are incorporated thus ensuring a corrosion free
product. A tapered flamepath is used to overcome the problems
of assembly of parallel spigot flamepaths.

An optional Exe terminal chamber is available.

Features*:

★ UL Listed for USA and Canada
– Hazardous locations:
Class I, Div 2, Groups A, B, C & D
Class II, Div 2, Groups F & G
Class I, Zones 1 & 2, AExd IIC T4
– Ordinary locations: Audible-Signal Device

★ ATEX approved
★ NEMA 4x &6, IP66 and IP67

★ Certified temperature –67°F to +158°F (–25°C to +70°C)
★ All GRP corrosion free flamepaths
★ Up to 108dBA output at 10 feet
★ Integral volume control
★ 27 tones, user selectable
★ Two tones may be switched via the external voltage

supply
★ Horn/Strobe Combination Unit available
*Depends on version

Architects and Engineers Specifications

Horns for hazardous locations and harsh environments shall be UL and cUL listed for Class I, Division 2, Groups A,B,C&D, and
Class I, Zones 1&2, AExd IIC T4 applications and shall be listed under UL Standard 1638 for Indoor/Outdoor use. They shall be
constructed of lightweight, UV stable glass reinforced polyester, shall be corrosion resistant, and shall meet NEMA 4x, NEMA 6, IP
66 & IP 67 environmental requirements over a temperature range of -67°F to +158°F (-55°C to +70°C).

The horns shall have 27 user selectable output tones. Multiple horns shall be able to operate in synchronization. Rated current
draw at 24 vdc shall not exceed 380 mA for rated sound output of 105 dBA at 10 feet. The horns shall include an integral volume
control and a stainless steel mounting bracket with ratchet facility to direct sound output.

Note: Due to continuous development of our products, specifications and offerings are subject to change without notice in accordance
with Cooper Wheelock standard terms and conditions.

ATEX

Terminals: 4 x 14 AWG, 6 x 14 AWG

Mounting: Stainless steel bracket with ratchet facility.

Labels: Duty and tag labels optional.

Cable Entries: Up to 2 x 1/2" NPT UL.
Tone Selection: 27 user selectable tones.

Horn/Strobe Unit: The DB3 may be combined with a strobe to create

a combined audio/visual alarm.

Two Stage Unit DB3P: Switchable between two tones:
D.C. (i) Reversing the polarity of the supply, or

(ii) by a 3 wire common +ve system, switching

between the two –ve lines.

A.C. (iii) Closing/opening connection between 2 terminals

e.g. by using a volt free relay contact at the panel.
2 tones must be specified at time of order.

3/4 Tone Unit: Remote 3 or 4 tone available – contact sales office

for details.

Specification

Certification: UL Listed for USA and Canada
– Hazardous locations:
Class I, Div 2, Groups A, B, C & D
Class II, Div 2, Groups F & G.
Class I Zones 1 & 2, AExd IIC T4.
UL Listing No: E203310.
– Ordinary locations: Audible-Signal Device.
Listing No. S8116.
ATEX Approved: CENELEC EN50014, 18, 19

Cert. No. BAS00ATEX2098X, EExde IIC.
Zones 1 and 2.

Material: Body & horn in anti-static, UV stable, glass reinforced polyester.
Swivel bracket & captive cover screws in stainless steel.

Finish: Body and horn, natural black or epoxy paint coated to client’s

Sound Output: DB3 105 ± 3dB(A) at 10 feet (tone dependent)
Volume Control:

83 50
95 100
98 150
101 200
102 250
104 300
105 350

*
Weight: 13.2lb./6.0kg approx.
Certified
Temperature: –67°F to +158°F (–55°C to +70°C)

Ingress Protection: NEMA 4x & 6, IP66 and IP67

Voltage: Up to 48V d.c. Up to 254V a.c.
Current

Consumption:

Cert. No. BAS00ATEX2097X, EExd IIC.

color requirements

*Nominal Output (dBA) Input Current (mA)

Output measured with 24V input voltage. Tone set to 970Hz continuous.

V I
12VDC 760mA
24VDC 380mA
48VDC 190mA
110VAC 135mA
120VAC 124mA
220VAC 68mA
230VAC 65mA
240VAC 62mA
254VAC 59mA

Configuration Options:

The following code is designed to help in selection of the correct unit. Build up the reference number by inserting the code for each
component into the appropriate box.

Unit Type Certification Voltage Labels Entries Options Finish Certified Plugs

Type Details
DB3 Standard unit

DB3P Two stage

Type Code
UL Listed UL

UL (Ordinary Locations) UW

Standard Models

Series Model Number Order Code Decription

DB3 DB3UL048N2CNRZ 109207-001 Multitone, 108 dBA, 24 VDC, Red finish, plugs

Voltage Code
12V - 48V d.c. 048

110V a.c. 110
120V a.c. 120
220V a.c. 220
230V a.c. 230
240V a.c. 240
254V a.c. 254

Label Code
Duty D*

Tag T*
None N

*Please specify
wording

Entries Code
1 x 1/2" NPT 1C

2 x 1/2" NPT 2C

Features Code
None N

End of line resistor E*
*State value.

DB3 DB3UL110N2CNRZ 109207-006 Multitone, 108 dBA, 110 VAC, Red finish, plugs

273 Branchport Avenue
Long Branch, NJ 07740
Phone: [phone]

WE ENCOURAGE AND SUPPORT NICET CERTIFICATION
Fax: [phone]
www.cooperwheelock.com

Other

Colour Code
Natural Black N

Red R
Special S*

*Please specify

Certified Plugs Code
Plugs *Z

*must always be indicated with
a Z. If no plugs are required
omit the "Z" from the order code

3 YEAR WARRANTY

Made in USA

DB3 02/07