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MBX21 Xenon Strobe Beacon 21 Joule 2-13-110

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The MBX21 is a 21 Joule Xenon strobe beacon featuring a robust, fire retardant, IP66 & IP67 Type 4/4X/13 enclosure.
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Voltage
Cable Entry Type
Stopping plug/adaptor material
Bracket & Guard
Product version
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Enclosure Color
Lens Color
Part Number:
MBX21
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Xenon Strobe Beacon 21 Joule

Description

Featuring dual Xenon strobe tubes. Manufactured from lightweight, high performance PPS with its corrosion proof properties the MBX21 is suitable for the harshest of environments.

Downloads

Datasheet Datasheet.pdf
Installation Manual D207-01-221-IS_Issue_2__MBX21_.pdf
Russian EAC Declaration of Conformity _RU_-GB.01.B.57505-21__14.10.2026_.pdf
Russian Maritime register 19.00193.278.pdf
Declaration of Conformity DC-028_Issue_J_Marine.pdf
2D drawing (PDF) D207-05-201_Issue_A.pdf
2D drawing (DWG) D207-05-201_Issue_A.dwg
3D drawing (STEP) D207-05-201-3D_Issue_A.STEP
Wiring Schematic DC voltage D207-06-221_Issue_A__MBX21_.pdf
Wiring Schematic AC voltage D207-06-205_Issue_A__MBX_MCBX-AC_.pdf
Pipe Mount Drawing (PDF) D217-05-291_Issue_A_MB.pdf

Features

  • Automatic synchronisation on multi-beacon systems
  • Beacons can be set to ‘flip-flop’ alternating mode with other units on multi-beacon systems
  • Dual Xenon tubes mechanically secured against shock & vibration
  • Glass lenses & 316 (A4) Stainless steel guard
  • UV stable PC, field replaceable, colour lens filter
  • Ingress protection IP66/67 Type 4/4X/13
  • Large termination area
  • Dual M20 or 1/2"NPT cable entries – adaptors available
  • Stopping plug included
  • 316 (A4) Stainless steel mounting bracket
  • Ratchet adjustable ‘U’ bracket for 360° positioning
  • Duplicate cable terminations
  • Reverse polarity diode fitted
  • Continuously rated
  • 520 cd effective candela light intensity
  • 118,537 cd peak candela light intensity

Specification

Energy: 21 Joules
Light source: Dual Xenon strobe tubes/lamps
Flash rate: 1Hz, 2Hz & double strike 1Hz
Peak Candela: 2,100,000 cd – calculated from energy (J)
Effective Intensity cd: 1,050 cd – calculated from energy (J)
Peak Candela: 118,537 cd* – measured ref. to I.E.S.
Effective Intensity cd: 520 cd* – measured ref. to I.E.S.
Lens colours: Amber, Blue, Clear, Green, Magenta, Red & Yellow
Voltages DC: 24vdc; 48Vdc
Voltages AC: 115vac; 230vac
Ingress protection: IP66/67 Type 4/4X/13
Enclosure material: High impact UL94 V0 PPS Glass Reinforced
Enclosure colour: Black
Dome material: Borosilicate glass
Lens colour filter: Field replaceable UV stable PC
Lens guard: 316 (A4) Stainless steel
Cable entries: 2 x M20; 1 x M20 & 1 × 1/2"NPT; 2 × 1/2"NPT
supplied with blanking plug
Terminals: 0.5 – 2.5mm² (20-14 AWG)
Line monitoring: Diode polarized for use in supervised circuits
Operating temp: -40 to +66°C [-40° to +151°F]
Storage temp: -40 to +70°C [-40 to +158°F]
Relative humidity: 95% at 20°C [68°F]
MTBF DC: 137.12 years / 1,201,201 hours – MIL 217
MTBF AC: 304.01 years / 2,663,115 hours – MIL 217
Weight: 1.48kg/3.25Ibs
* All candela data is representative of performance with clear lens at optimum voltage

Current Consumption

Product Version: Nominal Voltage: Voltage Range: Current Consumption:
DC024 24V dc 20-28V dc 1200mA
DC048 48Vdc 42-54V dc 600mA
AC115 115Vac ±10% 50/60Hz 560mA
AC230 230V ac ±10% 50/60Hz 280mA

Part Codes

Variable: Identifier: Description:
Product type: MBX21 Xenon Strobe Beacon
Voltage: AC115
AC230
DC024
DC048
115V ac 50/60Hz
230V ac 50/60Hz
24V dc (20-28Vdc)
48V dc (42-54V dc)
Cable entries: [e] A
B
C
M20x1.5 & ½” NPT
M20x1.5 & M20x1.5 (Default)
½” NPT & ½” NPT
Stopping plug material: [m] N Nylon
Bracket & Guard: [s] 1
3
316 (A4) Stainless Steel
316 (A4) Stainless Steel with Equipment tag
Product version:
[v]
A CE, UKCA
Product option:
[o]
1
X
Z
Standard product
Custom configuration – contact E2S
Custom alarm tone software – contact E2S
Enclosure: [x] B Black
Lens colour: [y] A, B, C
G, M, R, Y
Amber, Blue, Clear
Green, Magenta, Red, Yellow
Accessories:
SP65-0001-A4
SP65-0003-A4

Pole Mount Bracket Kit 2" St/St 316 (A4)
Sunshade – St/St 316 (A4)

Flash Patterns

Stage 1: Description: Stage 2:
Single Flash 1Hz Dual Xenon tubes operate together) AF
Alternate Fash 2Hz Xenon tubes flash alternately – 0.5sec gap SF
Double strike 1Hz First tube flash followed by second) SF

Approvals

  • EAC compliant: RU D-GB.GA05.B.12595-20
  • Russian Maritime Register of Shipping
    Cert: No. 19.00193.278

Approvals

  • EAC compliant: RU D-GB.GA05.B.12595-20
  • Russian Maritime Register of Shipping
    Cert: No. 19.00193.278

Effective Candela lens colour factor

Amber Blue Clear Green Red Yellow
0.51 0.12 1.00 0.49 0.15 0.86

Effective Candela lens colour factor

Amber Blue Clear Green Red Yellow
0.51 0.12 1.00 0.49 0.15 0.86

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