IS-mB1 IS-minialite

  • Input overload and reverse current protection
  • End of line resistor certified
  • Prismatic lens optimises L.E.D effectiveness


  • ATEX certificate: SIRA 05ATEX2084X,
    EN 60079-0 : 2012,EN 60079-11 : 2012,
    IEC 60079-26 : 2014
  • IECEx certificate: IECEx SIR 06.0045X,
    IEC 60079-0 : 2011, IEC 60079-11 : 2011,
    IEC 60079-26 : 2014
  • FM approved:
    Class 3600 1998, Class 3610 2010,
    Class 3810 2005
  • GOST-R certificate: POCC GB.JB05.B03365
IS-mB1 IS-minialite
Ex-eac-logo Eac-logo Iecex-approval Atex-approval Fm-approval Ce-approval Gost-approval

IS-mB1 IS-minialite

The IS-mB1 is a compact beacon with an array of six high output L.E.D's. Approvals include ATEX, IECEx and GOST-R for Zone 0 applications and FM approval for Class I Division 1 and Class I Zone 0 applications..

The IS-mB1 is suitable for all intrinsically safe signalling applications including fire, security and process control.


Light source: Array of 6 high intensity L.E.D’s.
L.E.D. colours: Red, Amber, Blue, Green & Clear
Flash modes: Double flash at 2Hz and 1Hz
Effective intensity cd: 23cd* - measured ref. to I.E.S.
Voltage: 16-28vdc via Zener barrier or
galvanic isolator
Current: 25mA typical when powered
from 24v supply via 28v 300 Ohm
Zener barrier
Ingress protection: IP65
Rating: Continuous
Housing material: UL94V0 & 5VA FR ABS & PC
Housing colour: RAL3000 Red
Fixings: Stainless Steel
Cable entries: 2 x M20 clearance gland knockouts.
Custom configurations also available.
Terminals: 0.5 to 2.5mm²
Operating temp: -40° to +60°C [-40 to +140°F]
Storage temp: -40° to +70°C [-40 to +158°F]
Relative humidity: 90% at 20°C [68°F]

Part Codes

II 1G Ex ia IIC T4 Ga (-40ºC <=Ta<= +60°C)
IS Class I, Zone 0, AEx ia IIC T4
IS Class l, Division 1, Groups A, B, C, D
0ExiaIICT4 IP65 -40° to +60°C
[x]: Lens colour: A: Amber
R: Red
B: Blue
G: Green
C: Clear (white LED)
May be powered from any certified Zener barrier or galvanic
isolator whose output parameters do not exceed:
Uo : 28VDC Io : 660mA Po : 1.2W