DISTRIBUTION BOARD

Structure is achieved by the pursuit of high capacity. Structure assures ease of installation and wiring. Structure assures outstanding operability, maintenance performance, and safety. Accommodates units within a height of 1,800 mm, housing up to 18 units of two sets of 100 AF / 3P MCCB. Constructed to the same casing depth and configured with the same busbar scheme as the Type-B Motor Control Center, this model permits contiguous installation and direct connection of busbars of both panels. With its B wiring (standard), connection to external devices is easy through the front of the panel....

Structure External Dimensions Wiring method Indoor type Outdoor type Transparent window Transparent window Thin type Terminal blocks Terminal blocks Four φ18 installation holes per panel Basic type Wiring on the rear side of the panel to terminal blocks Wiring on the front side of the panel directly to MCCB Type: CNF-BC-652B (load cable bottom entry) 550 Side view Bottom view Horizontal busbars Note: The oblique lines indicate a space for incoming cables. Type: CNF-BC-652T (load cable top entry) Note: The oblique lines indicate a space for incoming cables. Unit space Model type Load cable entry...

Structure Busbar Unit Unit designation: BC4-12SW12SW (125 AF) Unit space Horizontal busbars (rear) Plug-in Unit base Horizontal busbars (left view) MCCB Transparent window Horizontal busbar (copper, tin plated) Rated busbar current Installation frame Installation frame Horizontal busbars Safety cover Protective cover Outside door Inside door Safety cover Transparent window Protective cover Plug-in Unit base Outside door Inside door Busbar compartment space Three-phase, three-line Three-phase, four-line Safety cover Safety cover The horizontal busbars are configured vertically in an upper section...

Table of units Table 1 Standard feeder unit (3φ3w, 1φ2w) Unit height (mm) Table 2 Standard incoming unit (3φ3w, 1φ2w) MCCB Maximum cable size for incoming B wiring (mm2) - (screw size) Unit designation Maximum cable size for incoming B wiring (mm2)-(screw size) Ampere frame (AF) Poles Quantity Note: (1) For the units 400 AF and above, the MCCB is installed vertically at the lowest position, and a power cable is led in from the MCCB secondary side. (MCCB is installed at the highest position if the power cable is led in from the top.) (2) Units 600 AF and above require conductor connections. (3)...

Planning Information Installation Foundation base and installation example (indoor type) Unit: mm Configuration example 2 (with instruments on top) 3. We will provide the necessary number of foundation bolts (figure on right) when requested by the user as an option. Basic type Thin type Cross-sectional view (A-A) Frame Foundation bolt (M12) provided by customer 488 Foundation base 50×50×3.2 Buried base (not included) Bottom frame SP: Space for future additional units DSP: Space not permitting unit accommodation Incoming MCCB Foundation base 18 50×50×3.2 Buried base (not included) (2) with incoming...

A MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Please read the instruction manual before using the device. G-199-8-C8163-AHQ 0809 Printed in Japan (MDOC) Revised publication effective Sep. 2008. Specifications subject to change without notice.