JBM-DIN Series Junction Box for Obstruction Lights

  • For connecting ≥3 obstruction lights’ power and/or alarm wires
  • Achieve multiple inputs and multiple outputs
  • With DIN-rail terminals
  • With cable gland and silicon gasket, IP65
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JBM-DIN series junction box is used for connecting multiple obstruction lights’ when multiple inputs and multiple outputs are needed.

This series junction box’s enclosure is powder painted aluminum alloy. With nickel-plated brass cable glands and an o-ring silicone gasket, the junction box’s protection grade is IP65.

JBM-DIN contains multiple DIN-rail terminals (and pre-plugged jumpers if needed). In a typical FAA A1 system with one F864 medium intensity beacon and two OL32 single sidelights, if monitoring each obstruction light via dry alarm contact is needed, JMB-DIN will be used for connecting the three outputs’ power wires in parallel, connecting the three outputs’ dry relay COM wires in parallel, and connecting each output’s NO/NC independently each other.


  • Suitable for connecting over two obstruction lights’ power and/or alarm wires
  • Achieve multiple inputs and multiple outputs
  • Aluminum alloy enclosure powder coated provides good weather and corrosion resistance
  • Internal DIN-rail terminal connected in parallel, no need for terminal jumpers
  • Nickel-plated brass cable glands and o-ring gasket provide IP65 waterproof protection


JBM-DIN technical specifications
ItemJBM-DIN Specifications
Terminal typeDIN-rail terminal block
Number of TerminalsDepends on OB systems
Number of ways≥3
Number of OB Outputs≥2
Number of OB InputsDepends on OB systems
EnlosureDie-casting aluminum
Number of cable glands≥3
Size of cable glandsM20/M25, Nickel plated brass
Dimension (H*W*Depth)180mm*173mm*88mm
MountingWall mounting / Ubolt mounting
Applicable forMultiple inputs and outputs for ≥2 OBL’s power and/or alarm wires

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