Cooper Wheelock DB4 Range Manuel utilisateur
Speakers - Up to 25 Watts, Hazardous Location, Weatherproof
DB4 Range
Description:
This range of loudspeakers, intended for use in potentially explosive
gas and dust atmospheres, has a power rating of up to 25 watts and
is suitable for use in all gas groups including hydrogen.
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.
This product does not include a blocking capacitor. Contact Cooper
Wheelock Technical Support for models with a blocking capacitor*.
★ UL listed for USA and Canada:
– Class I, Div 2, Groups A-D.
– Class I, Zones 1, AExd IIC, T4
– Class II, Div 2, Groups F & G
★ ATEX approved
★ NEMA 4x & 6, IP66 and IP67
★ Certified temperature –67°F to +158°F (-55°C to
+70°C)
★ GRP corrosion-free flamepaths
★ 109dBA at 25 watts at 10 feet
★ 8, 15 and 25 watt versions
★ Power tappings, via integral transformer
★ Ratcheted swivel bracket
★ Stainless steel sinter
★ Stainless steel mounting bracket
★ Tapered flamepath
*Depends on version
15W/20W/25W (Long Flare) 8W (Short Flare)
ATEX
Architects and Engineers Specifications
Features*:
Speakers 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, AExd IIC T4 applications. 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 speakers shall be rated for 70 vrms input with power taps for 1,2,4,6,12.5 or 25 watt operation. Rated sound output shall be up
to 109 dBA at 10 feet and rated frequency response shall be 400Hz to 8kHz. The speakers shall include 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.
*Coming Soon
Specification
Rated Power: 8, 15 or 25 watts RMS continuous (at 77°F).
Certification: UL listed for USA and Canada:
– Class I, Div 2, Groups A-D – Class I, Zones 1, AExd IIC T4.
– Class II, Div 2, Groups F & G
ATEX approved: EN50014, 18, 19.
No. BAS00ATEX2097X. EExd 11C T41/T5
Cert. No. BAS00ATEX2098X. EExd 11C T41/T5
Zones 1 not for use in atmospheres containing carbon disulphide
Material: Body & horn in anti-static, UV stable, glass reinforced polyester.
Swivel bracket in stainless steel.
Captive cover screws in stainless steel.
Finish: Body and horn, natural black or epoxy paint coated to client’s color require-
ments.
Output:
97 dBA at 1 Watt at 10 feet
109 dBA at 25 Watts at 10 feet
Measured in accordance with IEC 268.
Weight: 11lb./5.0kg approx.
Certified Temperature:
–67°F to +158°F (55°C to +70°C)
Ingress Protection: NEMA 4x & 6, IP66 & IP67.
Frequency Range: 400Hz to 8kHz.
Voice Coil Impedence: 8 ohms.
Transformer:
Used to vary the rated power by selecting different tappings (see table below).
Transformer Power
Tappings 25W 15W 8W
1:2 25.0* 15.0* 8.0*
2:3 12.5* 7.5* 4.0*
3:4 6.0 5.0 2.0
1:3 4.0 4.0 1.5
2:4 2.0* 2.0* 0.7*
1:4 1.0 0.8 0.4
Transformer Options:
i) Standard Tapping: (4 x 2) terminal tap change (8 terminals).
ii) Optional Tapping: 4 terminal tap change with 2 terminals (5 & 6), directly connected
to driver (8 ohms).
Other tappings & driver impedances available on request.
Terminals: 8 x 14AWG
Mounting: Bracket with ratchet facility.
Labels: Duty and tag labels optional.
Cable Entries: 2 x 1/2" NPT.
DB4
Type Code
UL listed UL
Transformer Code
Yes X*
None N
*Std 100V
Other values available,
specify voltage.
Max. Rated Power Certification Transformer Labels Entries Color
Label Code
Duty D*
Tag T*
None N
*Please specify wording
Color Code
Natural Black N
Red R
Special S*
*Please specify
Power Code
8 watt 8
15 watt 15
25 watt 25
Entries Code
1 x ½" NPT 1C
2 x ½" NPT 2C
Configuration Options:
Polar plot (1W/1m) for 25 watt version.
Polar plot and frequency response curves for other speakers are available upon request.
Transformer Tappings
WE ENCOURAGE AND SUPPORT NICET CERTIFICATION
3 YEAR WARRANTY
Made in USA
273 Branchport Avenue
Long Branch, NJ 07740
Phone: (800) 631-2148
Fax: (732) 222-2588
www.cooperwheelock.com
DB4 04/07
Standard Models
Series Model Number Order Code Decription
DB4 DB425ULXN2CR 109208-001 Speaker, 25 Watt, Transformer, Red Finish
DB4 DB415ULXN2CR 109208-002 Speaker, 15 Watt, Transformer, Red Finish
UL
To specify certified plug, suffix ap-
propriate code with 'P'. e.g. 2CP is 2
x 1/2" NPT entries with one certified
plug
*Include blocking capacitor for DC supervision of field wiring
Ce manuel convient aux modèles suivants
3
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