24  RHD250 to 4000 (Contrac) ELECTRICAL ROTARY ACTUATOR |  SEI/RHD250/4000-EN REV. A   
 
… 5  Electrical connections 
 
Fuses 
 
Electronic unit for field installation 
 
 
n connection chamber 
 A, slow  10 
5 × 20 
 
  0.315 A; medium  5 × 20 
Intermediate circuit fuse 
 fuse 
n connection chamber  2 A; slow  5 × 20 
 
1
 
  — 
 
thermal 
 
  — 
 
 
5 × 20 
 fuse 
  — 
6.3 × 32 
 DO3 
  — 
 
 
5 × 20 
1  The 35 A fuse and the thermal safety cutout (16 A) are included in the scope of delivery. They ensure safe operation for the special switching conditions of 
electronic unit EBN861. Note that the cable cross-sectional area between the fuse and the electronics must be at least 2.5 mm2 (#13 AWG). 
 
 
Electronic units for rack installation 
 
 
 
  Rated current of fuse 
 V AC  at 230 V 
 
 
  16 A, slow 
 
  0.315 A; medium  5 × 20 
Intermediate circuit fuse 
 DO3 
n connection chamber  2 A; slow  5 × 20 
 
1
 
  — 
fuse 
 
 
  — 
 
 
5 × 20 
 fuse 
  — 
6.3 × 32 
 DO3 
  — 
 
 
5 × 20 
1  The 35 A fuse and the thermal safety cutout (16 A) are included in the scope of delivery. They ensure safe operation for the special switching conditions of 
electronic unit EBN861. Note that the cable cross-sectional area between the fuse and the electronics must be at least 2.5 mm2 (#13 AWG).