Littelfuse FPS-CTU-01-00, FPS Series, Feeder Protection System, 65-265VAC/80-275DC, RS-485
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The FPS Feeder Protection System monitors voltage and current to provide a comprehensive package of 17 protective functions. The FPS is a modular system with integrated protection, breaker control, metering, and data-logging functions.
Control Unit (FPS-CTU)
. Current inputs—5-A or 1-A secondary phase current transformers
. Voltage inputs—up to 600 V without PTs
. Earth-leakage input—5-A or 1-A secondary or sensitive transformer
. 8 digital inputs, 5 relay outputs, 1 analog input and output
. 24-Vdc supply for OPI and RTD modules, and for digital inputs
. IRIG-B time-code input
. 1/2 DIN size, surface mount
. RS-485 network communications (Standard)
. DeviceNet™, Profibus®, or Ethernet communications available.
Pre-order 6-8 Weeks
SpecificationsProtective Functions (IEEE Device Numbers) |
Overload (49, 51) Unbalance (current) (46) Phase reverse (current) (46) Phase loss (voltage) (47) Overfrequency (81) Overvoltage (59) Overcurrent (50, 51) Phase loss (current) (46) Underfrequency (81) Undervoltage (27) Ground fault (50G/N, 51G/N) Phase reverse (voltage) (47) Unbalance (voltage) (47) Power factor (55) RTD temperature (38, 49) |
Input Voltage | 65-265 Vac, 25 VA; 80-275 Vdc, 25 W |
Power-Up Time | 800 ms at 120 Vac |
Ride-Through Time | 100 ms minimum |
24-Vdc Source | 100 mA maximum |
AC Measurements | True RMS and DFT, Peak, 16 samples/cycle, and positive and negative sequence of fundamental Frequency 50 or 60 Hz |
Inputs | Phase current, Earth-leakage current, Phase voltage, 7 digital, 1 analog |
Output Contacts | 5 contacts — See Product Manual |
Approvals | CSA certified, C-Tick (Australian) |
Communications |
Allen-Bradley® DFI and Modbus® RTU (Standard); DeviceNet™, Profibus®, Ethernet (Optional) |
Conformal Coating | Standard feature |
Warranty | 10 years |
Mounting |
Control Unit Surface Operator Interface Panel, Control-Unit mounted |