Installing the Withdrawable Device in the Chassis

Withdrawable Device Handling Conditions

Connection or disconnection of the withdrawable device requires insertion of the racking handle. When chassis locking by keylocks, padlocks, or an open door lock is in place, the racking handle cannot be inserted.

DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E or CSA Z462 or local equivalent. This equipment must only be installed and serviced by qualified electrical personnel. Failure to follow these instructions will result in death or serious injury.

NOTICE
HAZARD OF EQUIPMENT DAMAGE Use the provided racking handle to rack the device into or out of chassis. Do not use power tools for racking. Do not turn the handle after position release button has popped out. Failure to follow these instructions can result in equipment damage.

Mismatch Protection

Before racking in the withdrawable device, check that it matches the chassis in terms of rated current and performance level.

Optional mismatch protection, allows the installation of a withdrawable device only in a chassis with compatible characteristics.

Installing the Device

DANGER
HAZARD OF DEVICE FALLING Be sure that lifting equipment has lifting capacity for the device being lifted. Follow manufacturer’s instructions for use of lifting equipment. Wear hard hat, safety shoes, and heavy gloves. Failure to follow these instructions will result in death or serious injury.

NOTICE
HAZARD OF EQUIPMENT DAMAGE Chassis must be securely fastened when installing or removing the device. Before mounting the device, make sure that it matches the chassis. Failure to follow these instructions can result in equipment damage.

Step	Action
1	Put the device in the open position.
2	If the chassis is not yet installed in a switchboard, securely fasten the chassis on a pallet.
3	Remove the racking handle from its storage space.
4	Check that the chassis indicator is in the disconnected position. If the chassis indicator is not in the disconnected position, follow the steps on disconnecting the withdrawable device.
5	Pull the out the rails in the chassis until they are fully extended.
6	Install the device on the rails by using appropriate lifting equipment. Check that the four wheels on the sides of the device are resting on the rails.
6
7	Detach the lifting equipment.
8	Using both hands, push in the device to the maximum in the chassis. Take care not to push the trip unit. The rails stay extended.
9	When the device is fully inserted into the chassis, push in the rails to the maximum.