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Pfannenberg Ex-Sounder IS-A 105N IIC 24 DCIS-A 105N IIC 24 DC
Pfannenberg IS-A 105N 32033800000 is a 24 V DC intrinsically safe Ex sounder with up to 105 dB(A) output and 49 selectable alarm tones for hazardous area signalling.
Pfannenberg 32033800000 IS-A105N ATEX Explosion-Protected Intrinsically Safe Electronic Sounder 24V DC
The Pfannenberg 32033800000 is an IS-A105N intrinsically safe ATEX electronic sounder designed for reliable audible alarm signalling in hazardous industrial environments. Featuring a 103 dB(A) sound output, 49 selectable tones, and 24 V DC operation, this sounder provides dependable warning indication in explosive atmospheres including Zones 0, 1, and 2.
Designed for use in areas where dangerous explosive atmospheres may occur, the Pfannenberg IS-A105N combines high acoustic performance, compact construction, IP66 protection, and intrinsically safe operation when installed with suitable zener barriers or galvanic isolation.
Key Features
- Intrinsically safe ATEX electronic sounder for hazardous areas
- Manufacturer part number: 32033800000
- Series: Pfannenberg IS-A105N
- Sound output: 103 dB(A) at 1 metre
- 49 selectable alarm tones
- 24 V DC rated operating voltage
- Operating voltage range: 10–28 V DC
- Suitable for ATEX Zones 0, 1 and 2
- IP66 protection rating for indoor and outdoor applications
- Red self-extinguishing ABS housing
- Sound level adjustable by up to 15 dB(A) using potentiometer
- External selection of up to two tones for different alarm conditions
Applications
The Pfannenberg 32033800000 IS-A105N sounder is suitable for hazardous-area audible alarm applications including oil and gas facilities, chemical processing plants, offshore installations, process industries, fire alarm systems, and industrial safety installations requiring reliable intrinsically safe signalling.
Why Choose Pfannenberg 32033800000?
The Pfannenberg IS-A105N provides powerful audible alarm signalling with ATEX-certified intrinsic safety, multiple selectable tones, low power consumption, and rugged IP66 construction. Its high sound pressure level and hazardous-area compatibility make it ideal for critical safety applications in explosive environments.
Technical Specifications
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| Mounting Type | Wall / surface | |
|---|---|---|
| Sound Output Level | 103 dB(A) | |
| Coil / Supply Voltage | 24 V DC | |
| Product Series | Pfannenberg IS-A105N | |
| Device Type | Signal Tower / Beacon | |
| IP Rating | IP66 | |
| Colour | Red | |
| Brand | Pfannenberg | |
| Part Number | 32033800000 | |
| Series | IS-A105N | |
| Product Type | Explosion-Protected Electronic Sounder | |
| Sound Output | 103 dB(A) at 1 m | |
| Number of Tones | 49 | |
| Rated Voltage | 24 V DC | |
| Operating Voltage Range | 10–28 V DC | |
| Current Consumption | 25 mA typical | |
| Housing Colour | Red | |
| Housing Material | Self-extinguishing ABS (UL94 V-0) | |
| Mounting Type | Surface Mount | |
| Protection Rating | IP66 | |
| Operating Temperature | -40°C to +60°C | |
| Hazardous Area Approval | SIRA 04 ATEX 2301 X | |
| Explosion Protection | Intrinsically Safe | |
| Dimensions | Approx. 130 x 130 x 132 mm | |
| HS Code | 85318070 |
Frequently Asked Questions
What is the Pfannenberg 32033800000 used for?
The Pfannenberg 32033800000 is used as an intrinsically safe ATEX electronic sounder for audible warning signals in hazardous industrial environments.
How many tones does the Pfannenberg 32033800000 provide?
The IS-A105N sounder provides 49 selectable alarm tones and allows external selection of tones for different alarm conditions.
What voltage does the Pfannenberg 32033800000 operate on?
The Pfannenberg 32033800000 operates on a 24 V DC supply with an operating range of 10–28 V DC.
