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The horn – DB3B UL
TM261 April 2020 www.eaton.com
The horn – DB3B UL
English
6.0 Certification/approvals
UL listed for use in USA (USL) and Canada (CNL) –
Audible signal applicance for fire alarm or general use.
Please refer to the marking on the unit for specific
approval details
(USL)
Class I, Zone 1 AEx db IIC T*
Zone 21 AEx tb IIIC
(CNL)
Class I, Zone 1 Ex db IIC Gb T*
Class II, Zone 21, Ex tb IIIC Db
Also suitable for:
Class I, Div. 2 Groups A, B, C, D
Class II, Div. 2, Groups F & G
Class III, Div. 1
Applicable Standards:
(USL)
UL 60079-0, Edition 7
UL 60079-1, Edition 7
ANSI/ISA 60079-31, Edition 2
UL 464, Edition 9
(CNL)
CSA C22.2 No. 60079-0:19
CSA C22.2 No. 60079-1:16
CSA C22.2 No. 60079-31, Edition 2
CAN/ULC-S525-07
T-Ratings:
Max. Power rating
T
amb.
T-ratings (T*)
15W
-67°F to +185°F (-55°C to +85°C)
T4/T135°C
-67°F to +131°F (-55°C to +55°C)
T5/T100°C
-67°F to +104°F (-55°C to +40°C)
T6/T85°C
Electrical ratings:
The DB3B is available in a number of different input
voltage variations:
1. 12 V to 48 V dc, 716 mA to 171 mA, Special
Application *
2. 110 Vac, 50/60 Hz, 122mA, Special Applicaton.
3. 120 V ac, 50/60 Hz, 110 mA, Regulated.
4. 220/230/ Vac, 50/60 Hz, 63 mA, Special Application.
5. 240 Vac, 50/60 Hz, 58 mA, Regulated.
*
Note:
the DC special application version is suitable for
use with 24Vdc regulated supplies.
7.0 Special conditions for safe use
1. For replacement purposes the cover fixing screws
shall be of stainless steel grade A2-70 or stronger.
2. Painting and surface finishes, other than those applied
by the manufacturer, are not permitted.
3. When the unit is used in dust atmospheres the
cable entries used shall be sealed to maintain
the IP6X rating, in accordance with the applicable
installation codes.
4.
Warning
- Do not open when an explosive
atmosphere is present.
5. For supply connections, use minimum 105°C
rated wire.
6.
Warning
- On painted units, to avoid electrostatic
charge build up, clean enclosure with a damp cloth
7.
Warning
– to reduce the risk of ignition of hazardous
atmospheres, conduit openings must have a sealing
fitting connected within 50mm of the enclosure.
8.
Warning
- This product is not nonincendive. It is
a Zone 1 Ex d product. When used in a Division
2 application by equivalence, it must be installed
as a Zone 1 Ex d product to maintain the type of
protection.
