Masterpact MTZ2/MTZ3 Drawout Device Racking

Masterpact MTZ2/MTZ3 Drawout Status

Masterpact MTZ2/MTZ3 Drawout Handling Conditions

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.

Connection or disconnection of the drawout device requires insertion of the racking handle. When interlocks, padlocks, or an open door lock are in place, the racking handle cannot be inserted.

Masterpact MTZ2/MTZ3 Drawout Positions

The indicator located on the front of the cradle locally signals the position of the device in the cradle.

Device Position		Device Status
Connected	Clusters: engaged Control: engaged	Can be operated. Ready for service.
Test	Clusters: disengaged - the minimum isolation distance between the device clusters and the cradle terminals is reached Control: engaged	Can be operated. Can have operation and control systems tested.
Disconnected	Clusters: disengaged Control: disengaged	Can be operated. Can be removed from the cradle.
Withdrawn	Clusters: disengaged Control: disengaged	Removed from the cradle.

Masterpact MTZ2/MTZ3 Drawout Position Contacts

The position of the device in the cradle is indicated remotely by the position contacts:

CE: connected position
CT: test position
CD: disconnected position

The state of the position contacts changes according to the device position during racking-in and racking-out operations, as shown in the diagram below.


	Position contact is open	Device in connected position Separation of the main circuits Device in test position Separation of auxiliary circuits Device in disconnected position
	Position contact is closed

Masterpact MTZ2/MTZ3 Drawout Position Contact Without EIFE Ethernet Interface

Without an EIFE Ethernet interface, the standard configuration of the position contacts is:

3 CD disconnected position contacts
3 CE connected position contacts
3 CT test position contacts

The following optional configurations are available:

6 CE + 3 CT
3 CD + 6 CE
6 CD + 3 CE
9 CE

Masterpact MTZ2/MTZ3 Drawout Position Contacts with EIFE Ethernet Interface

With an EIFE Ethernet interface, the standard configuration of the position contacts is:

3 CD disconnected position contacts
3 CE connected position contacts

The following optional configurations are available:

3 CE + 3 CT
3 CD + 3 CT
6 CE

Masterpact MTZ2/MTZ3 Cradle Management Function

The cradle management function is used to:

Record and check the position of the moving part of the drawout device in the cradle.
Provide information about preventive maintenance actions.
Notify the remote controller about the position of the drawout device.

The cradle management function is performed by:

The EIFE Ethernet interface (refer to Enerlin’X IFE Ethernet Interface for One Circuit Breaker - User Guide (DOCA0084EN), available at the Schneider Electric website).
The IO module (refer to Enerlin’X IO Input/Output Application Module for One Circuit Breaker - User Guide (0613IB1317), available at the Schneider Electric website).

Masterpact MTZ2/MTZ3 Disconnection

Masterpact MTZ2/MTZ3 Drawout Handling Conditions

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.

Connection or disconnection of the drawout device requires insertion of the racking handle. When interlocks, padlocks, or an open door lock are in place, the racking handle cannot be inserted.

Racking Out from Connected to Test Position

Step	Action
1	Remove the racking handle from its storage space.
2	Press the opening pushbutton to open the device.
3	Hold the opening pushbutton in and insert the racking handle into the racking handle socket.
4	Push in the stop release button.
5	Turn the racking handle counterclockwise.
6	When the test position is reached, the stop release button pops out and the mechanism blocks the racking handle. Result: The device is in the test position.

Racking Out from Test to Disconnected Position

Step	Action
1	Push in the stop release button.
2	Turn the racking handle counterclockwise.
3	When the disconnected position is reached, the stop release button pops out and the mechanism blocks the racking handle. Result: The device is in the disconnected position.
4	Remove the racking handle from the racking socket.
5	Put the racking handle back into its storage space.

Masterpact MTZ2/MTZ3 Connection

Masterpact MTZ2/MTZ3 Drawout Handling Conditions

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.

Connection or disconnection of the drawout device requires insertion of the racking handle. When interlocks, padlocks, or an open door lock are in place, the racking handle cannot be inserted.

Racking-In from Disconnected to Test Position

Step	Action
1	Remove the racking handle from its storage space.
2	Press the opening pushbutton in and insert the racking handle into the racking handle socket.
3	Push the stop release button.
4	Turn the racking handle clockwise.
5	When the test position is reached, the stop release button pops out and the mechanism blocks the racking handle. Result: The device is in the test position.

Racking In from Test to Connected Position

Step	Action
1	Push the stop release button.
2	Turn the racking handle clockwise.
3	When the connected position is reached, the stop release button pops out and the mechanism blocks the racking handle. Result: The device is in the connected position.
4	Remove the racking handle from the racking socket.
5	Put the racking handle back into its storage space.

Removing Masterpact MTZ2/MTZ3 Device from the Cradle

Masterpact MTZ2/MTZ3 Device Removal

NOTICE
HAZARD OF EQUIPMENT DAMAGE The cradle must be securely fastened when installing or removing the device. Failure to follow these instructions can result in equipment damage.

Step	Action
1	Discharge the closing spring. With the device in the disconnected position, press the closing pushbutton. The device will close if the closing spring is charged.
2	Press the opening pushbutton to open the device.
3	Press and hold the rail release tabs towards the back.
4	Pull out the rails to the maximum by pulling on the drawout grips. Result: The device is supported on the rails, clear of the cradle and ready to be lifted.

Lifting the Masterpact MTZ2/MTZ3 Device

Both the device and cradle have a carrying grip for lifting. To lift, use an overhead lifting device attached to the carrying grip, following the directions given in this section.

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.

Lift the device from the cradle rails by using the carrying grip located on the sides of the device.

Masterpact MTZ2/MTZ3 Circuit Breaker Weights

Frame Rating	Connector Type*	Weights (lbs./kg.)
		Circuit Breaker		Cradle		Connector		Pallet	Total
		MTZ2	MTZ3	MTZ2	MTZ3	MTZ2	MTZ3	Pallet	MTZ2	MTZ3
800–2000 A, Drawout	FCF	109/50	142/65	97/44	116/53	42/19	55/25	17/8	265/121	330/151
	FCT	109/50	142/65	97/44	116/53	84/38	109/50	17/8	307/140	384/176
	RCTH/RCTV	109/50	142/65	97/44	116/53	17/8	22/10	17/8	240/110	297/136
800–2000 A, Fixed-Mounted	FCF	109/50	142/65	—	—	42/19	55/25	17/8	168/77	214/98
	FCT	109/50	142/65	—	—	84/38	109/50	17/8	210/96	268/123
	RCTH/RCTV	109/50	142/65	—	—	17/8	22/10	17/8	143/66	181/83
2500–3000 A, Drawout	RCTH/RCTV	127/58	165/75	124/57	149/68	26/12	34/15	17/8	294/135	365/166
2500–3000 A, Drawout	FCT	127/58	165/75	124/57	149/68	80/36	104/47	17/8	348/159	435/198
2500–3000 A, Fixed-Mounted	FCT	127/58	165/75	—	—	80/36	104/47	17/8	224/102	286/130
2500–3000 A, Fixed-Mounted	RCTH/RCTV	127/58	165/75	—	—	26/12	34/15	17/8	170/78	216/98
2000 A L1/L1F & 3200 A, Drawout	RCOV	127/58	165/75	124/57	149/68	100/46	130/59	17/8	368/169	461/210
3200 A, Fixed-Mounted	RCOV	127/58	165/75	—	—	100/46	130/59	17/8	244/112	312/142
4000 A, Fixed-Mounted	RCOV (Special)	127/58	165/75	—	—	115/52	145/66	17/8	259/118	327/149
3200 A L1 & 4000 A, Drawout	FCF	227/103	295/134	278/126	334/152	84/38	109/50	39/18	628/285	777/354
	FCT	227/103	295/134	278/126	334/152	168/76	218/99	39/18	712/324	886/403
	RCTH/RCTV	227/103	295/134	278/126	334/152	52/24	68/31	39/18	596/271	736/335
4000 A, Fixed-Mounted	RCTH/RCTV	227/103	295/134	—	—	52/24	68/31	39/18	318/145	402/183
5000 A, Drawout	FCT	227/103	295/134	278/126	334/152	168/77	218/99	39/18	712/324	886/403
5000 A, Drawout	RCTH/RCTV	227/103	295/134	278/126	334/152	52/24	68/31	39/18	596/271	736/335
5000 A, Fixed-Mounted	RCTH/RCTV	227/103	295/134	—	—	52/24	68/31	39/18	318/145	402/183
6000 A, Drawout	RCTV	227/103	295/134	278/126	334/152	396/180	528/240	39/18	940/427	1196/544
6000 A, Fixed-Mounted	RCTV	227/103	295/134	—	—	396/180	528/240	39/18	662/301	862/392

Installing Masterpact MTZ2/MTZ3 Device in the Cradle

Masterpact MTZ2/MTZ3 Drawout Handling Conditions

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.

Connection or disconnection of the drawout device requires insertion of the racking handle. When interlocks, padlocks, or an open door lock are in place, the racking handle cannot be inserted.

Masterpact MTZ2/MTZ3 Optional Cradle Rejection Feature

The cradle rejection feature (see Masterpact MTZ2/MTZ3 Cradle Rejection Feature) allows the installation of a drawout device only in a cradle with compatible characteristics.

Installing Masterpact MTZ2/MTZ3 Devices in the Cradle

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 Cradle must be securely fastened when installing or removing the device. Before mounting the device, make sure that it matches the cradle. Failure to follow these instructions can result in equipment damage.

Step	Action
1	If the cradle is not installed in a switchboard or panelboard, securely fasten the cradle on a pallet.
2	Inspect the circuit breaker clusters for missing or misaligned clusters. See the bulletin shipped with the circuit breaker for information on checking, installing, and lubricating clusters.
3	Remove the racking handle from its storage space.
4	Check that the cradle indicator is in the disconnected position: If the cradle indicator is not in the disconnected position, follow the steps on disconnecting the drawout device (see Masterpact MTZ2/MTZ3 Disconnection) .
5	Press the rail release tabs.
6	Pull out the drawout grips until the extension rails are fully extended. NOTE: The right-hand rail cannot be extended if the racking handle has not been removed.
7	Install the device on the extension rails by using appropriate lifting equipment. Check that the slots on the device are correctly aligned with the guides on the rails while bringing the device down.
8	Detach the lifting equipment.
9	Check that the device is in the open position.
10	Using both hands, push in the device so that the rails are inserted to the maximum in the cradle. Take care not to push the control unit.
11	Check that the rail release tabs are in the correct position. Result: The device is in the disconnected position.