4. Communications: electrical
  5. Visual indication
  6. Switchboard or panel type

Mark Hager

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Point detection and indication with latch out means

Railway switches and signals – Electric actuation – Switch signals
Patent

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Switch machine controller with fail safe mechanism

Electricity: motive power systems – Limitation of motor load – current – torque or force
Patent

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Vandal resistant light signal unit

Communications: electrical – Visual indication – Switchboard or panel type
Patent

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Profile ID: LFUS-PAI-P-1129016

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