E2S BExS110D 230V AC Alarm Sounder
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E2S BExS110D Flameproof Alarm Horn Sounder – 230V AC
The E2S BExS110D 230V AC is a heavy-duty, flameproof electronic alarm horn sounder engineered for deployment in high-risk hazardous areas. Built with an explosion-proof Ex d enclosure cast from marine-grade, copper-free LM6 aluminium, it withstands corrosive offshore, chemical, and industrial atmospheres while delivering sound pressure outputs up to 117 dB(A) at 1 metre.
Model Details
- Base Model: BExS110D
- Manufacturer Part Number (MPN): BEXS110DFAC230AB1A1R (Standard Red, M20 Entries)
- Common Industry / Distributor Cross-References: RS Components 339-5749, E2S 1-22-040, BExS110D-230AC-R, BEXS110D230VAC
Technical Details
| Parameter | Specification Data |
|---|---|
| Operating Voltage | 230V AC (50/60 Hz), tolerance +10% / -10% |
| Current Consumption | 56 mA at nominal 230V AC |
| Sound Output Level | 110 dB(A) nominal @ 1m ±3dB; 117 dB(A) peak maximum @ 1m |
| Audible Tones / Stages | 32 selectable tones (PFEER / UKOOA compliant); 3 remotely switchable stages |
| Acoustic Range | 100m @ 1 kHz in nominal atmospheric conditions |
| Terminal Allocations | 6-way screw clamp block; accepts 0.5 mm² to 4.0 mm² (20–11 AWG) stranded/solid wire |
| Terminal Functionality | L (Live), N (Neutral), S2 (Stage 2 control), S3 (Stage 3 control), Internal/External Earth studs |
| Cable Entries | Dual ISO M20 x 1.5 threaded entries (supplied with 1 certified stopping plug) |
| Enclosure Material | Marine grade copper-free LM6 aluminium, phosphated & powder-coated (RAL3000 Red) |
| Horn Flare Material | High-impact, fire-retardant UL94 V-0 & 5VA ABS |
| Mounting Bracket | Grade 316 (A4) stainless steel, ratchet-adjustable “U” bracket |
| Ingress Protection | IP66 and IP67 to EN/IEC 60529 |
| Operating Temperature Range | -50°C to +55°C (Ex d IIC T4); -50°C to +70°C (Ex d IIB T4) |
| Relative Humidity | Up to 95% at 40°C |
| Gross Weight | 3.20 kg (7.05 lbs) |
Key Features
- High Acoustic Output: Generates up to 117 dB(A) at 1 metre (nominal 110 dB(A) ±3 dB at 1 m) with an effective transmission range exceeding 100 metres at 1 kHz.
- 3-Stage Alert Capability: 32 alarm tone selections compliant with international offshore standards; includes remote switching across 3 distinct tone stages via AC control lines.
- Severe-Duty Enclosure: Cast copper-free LM6 marine-grade aluminium housing treated with chromate/phosphate anti-corrosion primer and high-visibility RAL3000 UV-stable polyester powder coating.
- Dual Ingress & Ex Protection: Rated IP66/IP67 and certified flameproof Ex d IIB/IIC T4 for explosive gas atmospheres (Zone 1 and Zone 2).
- Marine-Grade Mounting Hardware: Equipped with a 316 (A4-80) stainless steel ratchet-adjustable “U” bracket and hardware for direct bulkhead, pipe-rack, or deckhead installation.
Frequently Asked Questions
What is the maximum audible sound level of the E2S BExS110D at 230V AC?
The unit produces a peak acoustic output of 117 dB(A) at 1 metre distance, with a continuous nominal output of 110 dB(A) ±3 dB on standard tone 2, providing an effective audible warning range of 100 metres at 1 kHz.
Can the BExS110D 230V AC sounder be used in Zone 1 and Zone 2 hazardous areas?
Yes. The BExS110D carries both ATEX and IECEx certifications for use in Zone 1 and Zone 2 explosive gas environments classified under Gas Groups IIB and IIC with temperature ratings up to T4.
What size cable can be landed in the terminal block?
The built-in screw clamp terminal blocks accept single-core or multi-strand marine and industrial cables ranging from 0.5 mm² to 4.0 mm² (20 to 11 AWG).
What is the difference between BExS110D and BExDS110D?
The BExS110D is designed primarily for explosive gas and vapor atmospheres (Zone 1/2) with a red flame-retardant ABS flare. The BExDS110D incorporates an anti-static black horn flare and dual Ex d / Ex tD testing, qualifying it for both explosive gases (Zone 1/2) and combustible dust zones (Zone 21/22).
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