TPL 121 Telecom Fused Disconnects

TPL 121 – 900 to 1200 Amps, 60 Vdc, easy to change pullout fused disconnects

Candian Shunt Industries TFD Fused Disconnects


  • Quick, single-pole disconnect switch for main power distribution
  • Panel mount, pullout design eliminates need for tools to replace the fuse
  • Rugged housing construction for demanding applications
  • Front access to fuse
  • Standard remote alarm tabs
  • Optional alarm signaling circuit (visual and remote)
  • Thermoplastic housing material UL Rated 94V-O, 170°C


  • Littelfuse® type L17T1200 fuses
  • GMT 18/100A fuses


  • Power Dsitribution Protection
  • Telecom DC powered circuit protection
  • Replacement of Telecom circuit breakers


Protect your sensitive power systems with confidence with the TPL 121 fused disconnects series. Designed for demanding DC power distribution applications, the TPL 121 has a vented ruggedized thermoplastic housing that allows for high current short-circuit protection between 900-1200 Amperes. Front access to the fuse provides quick replacement and eliminates the need for tools. The TPL 121 is available with an optional visual and remote alarm.

  • Literature
  • Specifications
Literature and Technical Information
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Fusible Disconnects

++ TPL 121 Fusible Disconnects (508 kB)
Model: TPL 121- Power Dsitribution Protection
Current Rating: 900-1200 Amps
Voltage Rating: 60 Volts DC
Flammability Ratings: UL Rated 94V-O, 170°C
UL Withstand Rating: 100,000 Amps
Switching: 1000 cycles @ 100% rated current
50 cycles @ 150% rated current
5 cycles @ 600% rated current
Agency Approvals
  UL Recognized, File E122674