FB4 & FL4

These certified steady beacons have been designed for use in flammable atmospheres and harsh environmental conditions.
The marine grade alloy or stainless steel enclosures are suitable for use offshore or onshore, where light weight combined with corrosion resistance and strength is required.
Units can be painted to customer specification and fitted with identification labels.
Available with optional Exe terminal chamber.
Data Sheets
FB4 & FL4 North American (391 KB) (PDF)
FB4 & FL4 (391 KB) (PDF)
Product Certificates
ATEX Exd(e) IIC (614 KB) (PDF)
UL (401 KB) (PDF)
TR CU Ex d IIC (2 MB) (PDF)
IP66 & IP67 Certificate (26 KB) (PDF)
Russian Fire Approval Certification (1 MB) (PDF)
Product Certificates – External Link
IECEx Exd(e) IICSchematics / Wiring
Exd(e) Schematic (71 KB) (PDF)
FB4 UL Schematic (99 KB) (PDF)
FB4 ULC Schematic (150 KB) (PDF)
FL4 ULC Schematic (145 KB) (PDF)
Technical Manuals
Exd(e) (TM221) (368 KB) (PDF)
UL (TM121) (232 KB) (PDF)
Certification | ATEX, IECEx, UL, TR CU |
Explosion Protection | ATEX Ex II 2GD, Exd(e) IIC T5/T6 |
Area Classification | Zone 1 and Zone 2 use. |
Certified Ambient Temperature |
-55°C to +70°C (FB4 Exd)* -50°C to +55°C (FB4 Exde)* -20°C to +70°C (FL4)* |
Ingress Protection | IP66 & IP67 |
Material | Stainless Steel or Alloy |
Entries | Up to 4 x 20mm or 25mm* |
Weight |
Alloy: 6.5 - 8.9kg Stainless Steel: 14.9-17.3kg |
Options |
Body & lens colour, lens guard, tag & duty labels, lamp wattage, relay initiate or terminal chamber, voltages 24V - 110V d.c. 110V -254V a.c. |
* Model dependent
Features
- Zone 1 and Zone 2 use.
-
UL listed for USA and Canada
- Hazardous locations:
- Class I, Div. 1, Groups C & D.
- Class I, Zone 1, AExd IIB T4/T5.
- Ordinary locations: Visual-Signal Device.
- Exde IICT3/T6.
- ATEX approved Ex II 2GD.
- BASEEFA certified.
- TR CU certified.
- Certified temperature: –55°C to +70°C.
- IP66 and IP67.
- Fluorescent.
- Filament Lamps supplied.
- Corrosion Resistant.
- Exde version has gland earth continuity in the GRP terminal chamber.
- Optional lens guard.
- Tapered spigot flamepath.
- Retained cover screws.