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DB5 Intrinsically Safe Sounder

DB5 Intrinsically Safe Sounder

Product catalog summary

Overview: The DB-5 Intrinsically Safe Sounder is designed for high ambient noise areas, offering 100dBA output with 26 user-selectable tones. It can be paired with DA135 Beacons for combined audible and visual warnings. The sounder is compact and efficient, suitable for fire alarm systems and other annunciator applications.

Specifications: The sounder features a re-entrant configuration, IP65 weatherproof rating, and is ATEX certified (Ex II 1G EEx ia IIC T4). It operates on 12 or 24VDC with low power consumption, making it flexible for various applications. The enclosure is made of ABS with an encapsulated electronic module, and it is red in color.

Sound and Tone Selection: Users can select from 26 tones using a 5-way DIL switch. A second tone can be activated by switching the negative supply to a third terminal. The volume is adjustable by 15dB via a potentiometer. The sounder complies with BS 5839 Part 1 for fire alarm systems.

Certification and Compliance: The DB-5 is certified to EN50014:1997, EN50020:1994, and EN50284:1999 standards. It is suitable for Zones 0, 1, or 2, and Gas Groups IIC, IIB, or IIA, with a temperature class up to T4. It complies with EMC standards EN61000-6-2:2001 and EN61000-6-4:2001.

Installation and Connections: The sounder is easy to install in hazardous areas, with six terminals for cables up to 2.5mm². It features a deep base with three knock-outs for conduit or cable glands. The units are polarised for reverse polarity testing and line monitoring.

Environmental Conditions: Operating temperature ranges from 0 to 55ºC, with storage temperatures from -20 to 80ºC. It can handle humidity levels from 0-95% RH, non-condensing.

Safety Parameters: For the 24V version: Ui = 28V, Ii = 28mA, Pi = 0.81W, Ci = 0, Li = 20mH. For the 12V version: Ui = 15.7V, Ii = 37mA, Pi = 0.56W, Ci = 0, Li = 20mH + 325Ω + 1000Ω (Li/Ri = 61.5µH/Ω).

Recommended Interfaces: Zener Barriers (S951 for 24V, S931 for 12V) and IS Isolators (WIS1211 for 24V).

Approvals: The sounder is approved by Baseefa and MECS for Europe, CSA for Canada, and FM for the USA, meeting various international standards.

Catalog excerpts

EEx ia IIC T4 Greater than 100dBA output 26user selectable soundsTwo distinctive signals can be switched remotely Easy to install in all hazardous areas Low power consumption offers application flexibility IP65 weatherproof rating >

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Alternating 800/970Hz at 0.25s141111188 > Tone SelectionDIP Switch Sweeping 800970Hz at 7Hz1411110 Fast Sweep (LF) 91 > 93 50 VolumeControl Sweeping 24002850Hz at 7Hz411011 Fast Sweep 100 > 55 Slow Whoop1411001 Slow Sweep 94 > Sweeping 1200500Hz at 1Hz141100091 > 48Two entries forcable glands on sides and one on base Intermittent 970Hz at 1Hz1410110 Back-up Alarm (LF) 83 > 21 Intermittent 2850Hz at 1Hz410100 Back-up Alarm (HF) 100 > Intermittent 660Hz at 7/8Hz1401011Swedish fire88 MECS Miningand EN50303EEx ia I > 32850Hz pulses, 0.5s on/0.5s off, 1.5s off1400110102 > Due to our policy of continuous...

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DB5 Intrinsically Safe Sounder

DB5 Intrinsically Safe Sounder

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