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Type FMU BY1 (FMUN BY1)

Bypass Switches (3- and 4-poles, 63 – 800A)

FMU BY1-12 per 4
FMU BY1-12/4
STANDARD/REGULATION
  • AC21B
  • 415V
APPLICATION
  • Main generator switchboards
  • Power supplies for airports, hospitals, broadcasting
  • Switchboards at telecommunication systems
DESIGN FEATURES
  • Unique switching arrangement
  • Unique L-shape moving contact
  • High safety and performance
  • Visible, strong knife contact system
DELIVERY INCLUDES
  • Switches are delivered complete with handle and escutchion plate.
  • Other accessories on request.

 

Rated uninterrupted
current Iu
Rated oper.
current
Ie AC21B
415V
No. of Poles Maximum
conductor
cross section
Order No. Type Overall
dimensions
W x H x D (mm)
Order No. TKVWV;
door coupling, interlock, shaft extension
Order No.
KLAD;
incoming terminal
shroud
63 A 63 A 3 25 mm2 29360.0400 FMU BY1-6/3 352 x 150 x 120 36540.0010 2×36503.0010
63 A 4 25 mm2 29364.0400 FMU BY1-6/4 352 x 150 x 120 36540.0010 2×36503.0010
80 A 80 A 3 25 mm2 29360.0500 FMU BY1-8/3 352 x 150 x 120 36540.0010 2×36503.0010
80 A 4 25 mm2 29364.0500 FMU BY1-8/4 352 x 150 x 120 36540.0010 2×36503.0010
100 A 100 A 3 25 mm2 29360.0600 FMU BY1-10/3 352 x 150 x 120 36540.0010 2×36503.0010
 100 A 4 25 mm2 29364.0600 FMU BY1-10/4 352 x 150 x 120 36540.0010 2×36503.0010
125 A 125 A 3 35 mm2 29360.0700 FMU BY1-12/3 352 x 150 x 120 36540.0010 2×36503.0010
125 A 4 35 mm2 29364.0700 FMU BY1-12/4 352 x 150 x 120 36540.0010 2×36503.0010
160 A 160 A 3 70 mm2 29360.0800 FMU BY1-16/3 352 x 221 x 120 36540.0010 2×36503.0010
160 A 4 70 mm2 29364.0800 FMU BY1-16/4 352 x 221 x 120 36540.0010 2×36503.0010
200 A 200 A 3 120 mm2 29360.0900 FMU BY1-20/3 474 x 181 x 115 36540.0010 2×36645.0010
200 A 4 120 mm2 29364.0900 FMU BY1-20/4 474 x 181 x 115 36540.0010 2×36645.0010
250 A 250 A 3 150 mm2 29360.1000 FMU BY1-25/3 474 x 181 x 115 36540.0010 2×36645.0010
250 A 4 150 mm2 29364.1000 FMU BY1-25/4 474 x 181 x 115 36540.0010 2×36645.0010
300 A 300 A 3 185 mm2 29360.1100 FMU BY1-30/3 570 x 285 x 159 36505.0010 2×36588.0010
300 A 4 185 mm2 29364.1100 FMU BY1-30/4 570 x 285 x 159 36505.0010 2×36588.0010
400 A 400 A 3 240 mm2 29360.1300 FMU BY1-40/3 570 x 285 x 159 36505.0010 2×36588.0010
400 A 4 240 mm2 29364.1300 FMU BY1-40/4 570 x 285 x 159 36505.0010 2×36588.0010
500 A 500 A 3 300 mm2 29360.1400 FMU BY1-50/3 570 x 285 x 159 36505.0010 2×36588.0010
500 A 4 300 mm2 29364.1400 FMU BY1-50/4 570 x 285 x 159 36505.0010 2×36588.0010
630 A 630 A 3 2×185 mm2 29360.1500 FMU BY1-63/3 775 x 300 x 212 36515.0010 on request
630 A 4 2×185 mm2 29364.1500 FMU BY1-63/4 945 x 300 x 212 36515.0010 2×36651.0010
800 A 800 A 3 2×185 mm2 29360.1600 FMU BY1-80/3 775 x 300 x 212 36515.0010 on request
800 A 4 2×185 mm2 29364.1600 FMU BY1-80/4 945 x 300 x 212 36515.0010 2×36651.0010