MEDC DB3B - Manuel (Page 13)

© MEDC 2015 02/15
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 d IIC T*
Zone 21 AEx tb IIIC
(CNL) Class I, Zone 1 Ex d IIC Gb T*
Class II, Div. 1, Groups F & G
Also suitable for: Class I, Div. 2 Groups A, B, C, D
Class II, Div. 2, Groups F & G
Class III, Div. 1
Class II, Div. 1 groups E, F & G (available for CNL by special request only)
Appliccable Standards:
(USL) UL 60079-0, Edition 6
UL 60079-1, Edition 6
ANSI/ISA 60079-31, Edition 1
(CNL) CSA C22.2 No. 60079-0:11
CSA C22.2 No. 60079-1:11
CSA C22.2 No. 60079-31, Edition 2
CAN/ULC-S525-07
T-Ratings:
Max. Power rating T
amb.
T-ratings (T*)
-67°F to +158°F (-55°C to +70°C) T4/T135°C
-67°F to +131°F (-55°C to +55°C) T5/T100°C 15W
-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.