Installation Instruction
GCB800/1200
(GCBX5-FHC-N3R4-M/GCBX5-FHC-N4X-M)
- 1 -
This manual seeks to explain the installation of Cable Operating Mechanism (COM) using Flange Handle.
Flange Handle Assemblies, cable operating mechanisms, and cables are all required to be assembed together to operate an MCCB GCB800/GCB1200.
1. Verify quantity and condition of the parts in the drawings below before installing.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
1) Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E.
2) This equipment must be installed and serviced only by qualified electrical personnel.
3) Turn off all power supplying this equipment before working on or inside equipment.
4) Always use a properly voltage sensing device to confirm power is off.
5) Replace all devices, doors and covers before turning on power to this equipment.
Failure to follow these instructions will result in death or serious injury.
※
Tightening Torque
1/4-20UNC (4EA)
M6X18 (2EA)
M6X10 (1EA)
M5X10 (7EA)
[Unit: lb-in (N•m)]
Classification
Tightening Torque
Purpose of its use
M5 x 10
25.5(2.9)
Coupling Lever to Flange Handle Link and Plate Flange Ass’y
Connection of Bracket and Handle Holder
M6 x 18
46.0(5.2)
Connection of Plate Flange Ass’y and Flange Handle Ass’y
M6 x 10
46.0(5.2)
Connection of Release Lever, a Door Lock equipment
1/4-20UNC
46.0(5.2)
Coupling of COM to Enclosure
10-24UNC
19.1(2.2)
Connection of MCCB to COM( Included in hardware kits of MCCB )
M14 Nut
34.7(3.9)
Coupling bracket and Cable Cylinder ( Assembled in Cable Cylinder )
[Hardware Kits]
[Nema 3R/4 or 4X Flange Handle Ass'y]
[Cable Cylinder(sold separately)]
[Cable operating Mechanism(COM)]
[Plate Flange Ass’y]
