Alarm unit D1xB2LD2

Description
The D1xB2LD2 is a globally approved explosion-proof multi-function LED beacon. The robust Type 4/4X corrosion-proof LM6 marine-grade aluminium alloy enclosure is suitable for Class I/II Div 1, Zone 1, 2, 21 & 22 applications.

Features

• Five flash rates: 1Hz, 1.33Hz, 2Hz, double and triple strike
• Automatic synchronisation for multi‑beacon systems
• High and low power steady modes
• Three remotely selectable stages/channels on DC versions
• A4 (316) stainless steel guard supplied as standard
• Field-replaceable UV-stable polycarbonate colour filter
• 4 side + 1 pendant cable entries with stopping plugs included
• Corrosion-proof marine-grade aluminium enclosure
• UL Marine approved

Specification

• Source: Array of 4 x High Power Cree LEDs
• Modes: 1Hz (60 fpm), 1.33Hz (80 fpm), 2Hz (120 fpm), Double strike, Triple strike, High Power Steady, Low Power Steady
• Effective intensity (cd): 338 cd – 1Hz flash; 174 cd – High Power Steady
• Lens colours: Amber, Blue, Clear, Green, Magenta, Red, Yellow
• Voltage DC: 24Vdc (18-30Vdc)
• Voltage AC: 115Vac (110-120Vac), 230Vac (220-240Vac)
• In-rush @ 24Vdc: 1890mA within 0.22ms
• LED life: >60,000 hours
• Safety Integrity Level: SIL1 & SIL2 Route 2H (IEC61508:2010)
• Ingress protection: IP66/67 (EN60529); NEMA/Type: 4/4X/3R/13
• Lens material: High-impact borosilicate glass
• Enclosure: LM6 marine-grade aluminium alloy, chromate & powder coated finish
• Enclosure colour: Red or Grey (special colours available)
• Cable entries: Side: 2 × 3/4" NPT & 2 × M20x1.5mm; Pendant: 1 × 3/4" NPT
• Stopping plugs: Brass, Nickel-plated or Stainless Steel
• Terminals: 0.5–2.5mm² (20–14 AWG); 12 AWG solid core supported; duplicated terminals
• Ground stud: M5
• Line monitoring: Blocking diode included; EOL options for DC
• Enclosure volume: < 2 litres
• Operating temp: -55°C to +80°C
• Storage temp: -55°C to +80°C
• Relative humidity: 99% – tropicalised/conformal coated electronics
• MTBF DC: 1,865,671 hours (MIL 217)
• MTBF AC: 1,790,510 hours (MIL 217)
• Weight: 3.2 kg

Current consumption (nominal)

• 24Vdc (18-30Vdc): Steady High 240mA; Steady Low 134mA; Flashing 1Hz 110mA; Max 500mA; In-rush 1890mA <0.22ms
• 115Vac (110-120Vac 50/60Hz): Steady High 95mA; Steady Low 78mA; Flashing 1Hz 90mA; Max 180mA; In-rush 1150mA <12ms
• 230Vac (220-240Vac 50/60Hz): Steady High 48mA; Steady Low 37mA; Flashing 1Hz 45mA; Max 100mA; In-rush 670mA <12ms

Part codes / Ordering information

• Product type: D1xB2
• Type: LD2 – Multi-function LED beacon
• Voltage options: DC024 / AC115 / AC230
• Cable entry options [e]: M / B / E
• Stopping plug/adaptor material [m]: B (Brass), N (Nickel plated), S (Stainless Steel)
• Guard material [s]: 1 (A4 316 Stainless Steel), 3 (A4 316 with Equip. tag), 5 (A4 316 with Equip. tag & Duty Label)
• Product version [v]: A or J (certification variants)
• Product option [o]: 1 (Standard), X (Custom)
• Enclosure colour [x]: R (Red), G (Grey), S (Special)
• Lens colour [y]: A, B, C, G, M, R, Y

Approvals

• UL / cUL – File ref: E245313
• IECEx: IECEx ULD 19.0006X
• ATEX: DEMKO 19 ATEX 2009X
• UKCA: UL21UKEX2130X
• CCCEx, TR CU Ex EAC, PESO CCOE, CSFM listings
• SIL1 & SIL2 compliant to IEC61508 (2010)

Coding (selection)

• NEC / Class / Zone: Class I Zone 1 AEx db IIC T5 Ta -55°C to +80°C; T6 up to +70°C
• CEC / Ex: Ex db IIC T4 Ta -55°C to +80°C
• NEC / CEC Class / Div: Class I Div 1 Group ABCD T5/T6; Class II Div 1 Group EFG T4
• IECEx / ATEX: II 2G Ex db IIC T5 Gb Ta -55°C to +80°C; II 2D Ex tb IIIC T95°C Db Ta -55°C to +80°C

Effective candela lens colour factor

• Amber: 0.59
• Blue: 0.27
• Clear: 1.00
• Green: 0.51
• Magenta: 0.34
• Red: 0.15
• Yellow: 0.85

Multi-function patterns (stages)

• Stage 1 [On board] / Stage 2 [Remote] / Stage 3 [Remote] (remote stages on DC only)
• Examples: Steady High / Flashing 1Hz / Triple Strike; Steady Low / Flashing 1Hz / Triple Strike
• Double strike: 150ms on, 150ms off x2, 600ms off; Triple strike: 150ms on, 150ms off x3, 600ms off