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Rail Trolley Protector


  • Surge protection for 750 VDC systems within a rugged outdoor rated enclosure
  • 100 kA 8/20 μs maximum surge rating provides protection suitable for exposed locations at an extended operational life
  • Built-in safety features include thermal protection
  • Remote indication module relays the status of internal protection elements


Part Number TDP100750VOCS
Nominal System Voltage (Un) 750 VDC
Max Continuous Operating Voltage (Uc) 825 VDC
Max Discharge Current (Imax) 100 kA 8/20 μs
Nominal Discharge Current (In) 25 kA 8/20 μs
Short Circuit Current Rating (SCCR) 25 kA
Frequency 0 – 100 Hz
Connection, Solid #8 – 1/0
Connection, Stranded #8 – 1/0
Distribution System DC 2W+G
Protection Modes -ve to +ve
Status Indication Mechanical flag
Technology MOV with thermal disconnect
Mounting 3/4” straight nipple
Enclosure Material Metal
Enclosure Rating IP 65
Temperature -40 to 176 °F
Humidity 0 – 90 % RH
Depth (D) 2.835"
Height (H) 10.078"
Width (W) 6.181"
Complies With ANSI®/IEEE® C62.41.2-2002 Scenario II, Exposure 3, 100 kA 8/20 μs, 10 kA 10/350 μs
Replacement Module

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