RCDs Type 'DFL8 B-NK'
Circuit Breaker + RCD trip

This range of circuit breakers incorporating Type'B' RCD trips
provides classic 300mA fire protection up to 100kHz

  CURRENT RATINGS 100-250 Amp 4 POLES

Each unit comprises: 4 Pole Circuit Breaker (Ics 50kA at 415V)
with adjustable overload setting (0.8-1 x In)
and short circuit trip (6-10 x In). Settings can be sealed via transparent cover.
RCD trip function module (factory fitted) available in 2 versions:
DFL8 'B' Type RCDs
For more detailed information
contact our Sales Office
'B' Types
Available:

DFS4 B NK
DFL8 B NK
DFL8 B NK X
DFS4 B+
DFS4 B SK
DFL8 B SK
DFL8 B SK X

Optional Enclosure
for DFL8 devices.

DFL8 'B' Type
Tripping characteristics

Technical Data 

                 B-NK     non adjustable I Δn
                 B-NK X with adjustable I Δn and adjustable time delay.

                            Download Type 'B' RCD Selection Guide.
DFL8 B NK - non adjustable I Δn = 0.03A 
                            
   Product                                               Rating               Reference    

  DFL8 100-4/0.03-B NK           100A          09 164 783
  DFL8 125-4/0.03-B NK           125A          09 174 783
  DFL8 160-4/0.03-B NK           160A          09 184 783
  DFL8 200-4/0.03-B NK           200A          09 204 783
  DFL8 250-4/0.03-B NK           250A          09 214 783
DFL8 B NK X- Adjustable I Δn: 0.3A-0.5A-1A
Time Delay: 60-150-300-450 ms 
                            
   Product                                               Rating               Reference

  DFL8 100-4/X-B NK                100A          09 169 783
  DFL8 125-4/X-B NK                125A          09 179 783
  DFL8 160-4/X-B NK                160A          09 189 783
  DFL8 200-4/X-B NK                200A          09 209 783
  DFL8 250-4/X-B NK                250A          09 219 783