Solutions   for   Protecting   andManaging   the   Electrical   Network

TTB   7011 / 7013 / 7025 / 7026

Measuring relays for DC applications

The TTB relays of the 7000 series form a complete range of instantaneous DC over or under voltage relays.
The relay is supplied in a modular plug-in case type R1, which may be mounted either as a separate relay, projecting or flush mounting, or as an element in a standard 19" rack cradle.

The TTB 7000 series is made up of:

  • TTB 7011: 1 over voltage pick-up level
  • TTB 7013: 1 under voltage pick-up level
  • TTB 7025: 1 over voltage + 1 under voltage pick-up levels
  • TTB 7026: 2 under voltage pick-up levels

PROTECTION   FUNCTIONS

  • DC under voltage [27DC]
  • DC over voltage [59DC]

MAIN   FEATURES

  • Setting ranges:
    TTB 7011: 100÷120 % Un
    TTB 7013: 80÷100 % Un
    TTB 7025 / 7026: see leaflet n.1720
  • n.2 output units (2 NO, 2 NC, or 1NO + 1NC for each unit)
  • Hand reset mechanical operation indicator

DOWNLOADS

  Device Doc Type Lang. Ref. Index
TTB 7000 Leaflet EN / FR -- --
TTB 7011
TTB 7013
TTB 7025
TTB 7026
User Manual EN M.1720 C
TTB 7011
TTB 7013
TTB 7025
TTB 7026
User Manual IT MI.1720 C
TTB 7011 Connection/Definition Diagram EN / FR 9652 B
TTB 7013 Connection/Definition Diagram EN / FR 9653 B
TTB 7025 Connection/Definition Diagram EN / FR 9782 D
TTB 7026 Connection/Definition Diagram EN / FR 9984 B