Chapter 2

Operating the Device

Handle Position

The handle position indicates the state of the circuit breaker:

Standard Handle	I (ON): Circuit breaker closed. Close manually O (OFF): Circuit breaker open. Open Manually Trip or Tripped: Circuit breaker tripped. Tripped by the protection (trip unit or trip auxiliaries), the push-to-trip button, or the UTA tester.


Rotary Handle

Resetting After a Trip on a Detected Electrical Fault

WARNING
HAZARD OF CLOSING ON A DETECTED ELECTRICAL FAULT Do not close the device again without first inspecting and, if necessary, repairing the downstream electrical equipment. Failure to follow these instructions can result in death, serious injury, or equipment damage.

The device has tripped on a detected electrical fault, the toggle switch has moved from the I (ON) position to the Trip position.

To reset after a trip on a detected electrical fault:

Step	Action		Position
1	—	Isolate the feed (see page 29) before inspecting the downstream electrical equipment.	Trip
2	—	Look for the cause of the detected fault.	Trip
3	—	Inspect and, if necessary, repair the downstream equipment, using proper safety precautions.	Trip
4	—	Inspect the equipment in the event of a short-circuit trip.	trip
5		Reset the device by moving the handle from the Trip position to O (OFF).	O (OFF)
6		Close the device by moving the handle to I (ON).	I (ON)

NOTE: The fact that a device has tripped does not remedy the cause of the fault detected on the downstream electrical equipment.

Testing the Circuit Breaker

Push-to-Trip Procedure

DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH When circuit breaker handle is locked OFF (O), always use a properly rated voltage sensing device to confirm power is off before working on equipment Failure to follow these instructions will result in death or serious injury. Failure to follow these instructions will result in death or serious injury.

To check whether the trip mechanism is working correctly, press the push-to-trip button.

Step		Position
1	Close the circuit breaker.	I (ON)
2	Press the push-to-trip button to trip the circuit breaker.	▼
3	Move the handle to the O (OFF) position to reset the circuit breaker.	O (OFF)
4	Move the handle to the I (ON) position to close the circuit breaker.	I (ON)

Locking the Circuit Breaker

Locking Accessories

Use locking accessories to lock the handle in the I (ON) or O (OFF) position.

Handle Locking	Padlocks
	Accessory that is part of the case	Use up to three padlocks (not supplied), shackle diameter of 0.2–C0.3 in. (5–C8 mm).
	Accessory that is detachable	Use up to three padlocks (not supplied), shackle diameter of 0.2– C0.3 in. (5–C8 mm).

Handle Locking

Padlocks

Accessory that is part of the case

Use up to three padlocks (not supplied), shackle diameter of

0.2–C0.3 in. (5–C8 mm).

Accessory that is detachable

Use up to three padlocks (not supplied), shackle diameter of

0.2– C0.3 in. (5–C8 mm).

NOTE: Locking the handle in the I (ON) position does not disable the circuit breaker protection functions. If there is a detected fault, the circuit breaker trips without altering the handle position. When unlocked, the handle moves to the Trip position. To return the device to service, follow the resetting instructions.

Door Locking for Rotary Handle

	Locks the door in the closed position when the device is in the I (ON) position or in the Trip position.
	Helps to prevent the direct rotary handle from being moved to the I (ON) position when the door is open.

DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH Only qualified persons are authorized to disable the door lock. Failure to follow these instructions will result in death or serious injury.

It is possible to temporarily disable this lock to open the door when the device is in the I (ON) position.

Disabling this lock requires modifying the rotary handle. MCC conversion accessory - Instruction Sheet | Schneider Electric (se.com)

TeSys GV5 / GV6 - Rotary Handle. MCC Adapter Plate - Instruction Sheet.

If the lock has been disabled, the following direct rotary handle functions are inoperative:

Door locking
Preventing the device from being closed when the door is open

Testing a Device With Extended Rotary Handle

Push-to-Trip Procedure

CAUTION
HAZARD OF NUISANCE TRIPPING Device tests must only be done by qualified electrical personnel. Failure to follow these instructions can result in injury or equipment damage.

When testing the trip mechanism take precautions against:

Disrupting operations
Activating inappropriate alarms
Triggering unwanted actions

For example, tripping the device with the push-to-trip button can lead to inappropriate detected fault indications or corrective actions (such as switching to an alternate power source).

There is no push-to-trip button on the door of a device with an extended rotary handle. To check the trip mechanism, the door must first be opened.

Follow these steps to test the trip mechanism:

Step		Position
1	Switch the device to the open O (OFF) position. Open the door.	O (OFF)
2	Turn the device from the O (OFF) position to the I (ON) position, using one of the following tools: An open door shaft operator (LV426937). A flat wrench, taking care not to damage the extension shaft or its surface treatment.The extension shaft is a hollow rectangular tube,15 x 10 mm (0.59 x 0.39 in). The device is ready for the test.	I (ON)
3	Press the push-to-trip button. The device trips.	Trip
4	Use a special tool (refer to step 2) to turn the extension shaft counterclockwise and switch the device from the Trip position to the O (OFF) position. The device is in the open position.	O (OFF)

Locking a Device With Extended Rotary Handle

Handle Locking

The extended rotary handle offers several locking functions to:

Prevent the rotary handle being operated.
Prevent the door being opened.

Some locking functions can be disabled on different adaptations.

The handle can be locked with up to three padlocks (not supplied).

Handle Locking	Padlocks
	Padlocking (standard) in the O (OFF) position. Padlocking the rotary handle in the O (OFF) position does not prevent the door from opening.	Lock rotary handle with up to three padlocks (not supplied) with shackle diameters of 5–C8 mm (0.2–C0.3 in).
	Padlocking (after modification to the rotary handle during installation) in the two positions I (ON) and O (OFF). See instruction sheet GHD16292AA for rotary handle modification. Standard with the door opening locked. As an option, door is not interlocked, and locking the rotary handle does not stop the door from opening.	Lock rotary handle with up to three-padlocks (not supplied) with shackle diameters of 5–8 mm (0.2–0.3 in).

Handle Locking

Padlocks

Padlocking (standard) in the O (OFF) position.

Padlocking the rotary handle in the O (OFF) position does not prevent the door from opening.

Lock rotary handle with up to three padlocks (not supplied) with shackle diameters of 5–C8 mm (0.2–C0.3 in).

Padlocking (after modification to the rotary handle during installation) in the two positions I (ON) and O (OFF). See instruction sheet GHD16292AA for rotary handle modification.

Standard with the door opening locked.
As an option, door is not interlocked, and locking the rotary handle does not stop the door from opening.

Lock rotary handle with up to three-padlocks (not supplied) with shackle diameters of 5–8 mm (0.2–0.3 in).

NOTE: Locking the rotary handle in the I (ON) position does not disable the device protection functions. If there is a detected electrical fault, the device still trips. When unlocked, the rotary handle moves to the Trip position. To return the device to service, follow the resetting instructions

Door Locking (MCC Function)

The extended rotary handle locks the door in the I (ON) position as standard.

DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH Only qualified persons are authorized to disable the door lock. Failure to follow these instructions will result in death or serious injury.

It is possible to temporarily disable this lock to open the door when the device is in the I (ON) position.

Disabling this lock requires modifying the rotary handle. For more information, refer to:

GHD16292AA, TeSys GV5 - Extended Rotary Handle - Instruction Sheet.
GHD16320AA, TeSys GV6 - Extended Rotary Handle - Instruction Sheet.

Example: An application includes a device for a switchboard incoming supply and several device protecting motors with extended rotary handles installed behind the same door. Locking the door with the rotary handle of the incoming supply device simplifies maintenance work on the switchboard.

Sealing Accessories

Use sealing accessories to help prevent circuit breaker operations.

De-Energizing the Device

Isolation Capacity

TeSys GV5PB / GV6PB devices offer positive contact indication and are suitable for isolation in accordance with UL 489 Supplement SH standards. The O (OFF) position of the actuator is sufficient to isolate the device concerned.

The following marking on the rating plate label indicates that the device is capable of isolation:

TeSys GV5PB / GV6PB devices using locking accessories or with rotary handles can be locked in the O (OFF) position to allow work to be carried out with the power off in accordance with installation rules. Devices with standard handles can be locked with locking accessories. The device can only be locked in the open position if the device is in the O (OFF) position.

NOTE: Locking a TeSys GV5PB / GV6PB device in the open position is sufficient to isolate the device.

Maintenance and Servicing Work on Installation

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. Turn off all power supplying this equipment before working on or inside equipment. Always use a properly rated voltage sensing device to confirm that power is off. Replace all devices, doors, and covers before turning on power to this equipment. Immediately repair sources of short circuit or overload conditions before resetting the motor protection circuit breaker. Failure to follow these instructions will result in death or serious injury.

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.
Turn off all power supplying this equipment before working on or inside equipment.
Always use a properly rated voltage sensing device to confirm that power is off.
Replace all devices, doors, and covers before turning on power to this equipment.
Immediately repair sources of short circuit or overload conditions before resetting the motor protection circuit breaker.

Failure to follow these instructions will result in death or serious injury.

Turn off all power supplying the equipment before working on or inside equipment. For a partial powering down of the installation, the installation and safety rules require clearly labeling and isolating the feed being worked on.

Maintenance Work Following a Trip on a Detected Electrical Fault

WARNING
HAZARD OF CLOSING ON A DETECTED ELECTRICAL FAULT Do not close the device again without first inspecting and, if necessary, repairing the downstream electrical equipment. Failure to follow these instructions can result in death, serious injury, or equipment damage.

The following table describes the procedure to be followed after a trip on a detected electrical fault:

Step	Action
1	Isolate the feed before inspecting the downstream electrical equipment.
2	Look for the cause of the detected fault.
3	Inspect and, if necessary, repair the downstream equipment.
4	Inspect the equipment in the event of a short-circuit trip.
5	Close the device again.

NOTE: The fact that a protection has tripped does not remedy the cause of the fault detected on the downstream electrical equipment.

Checking the Settings

Checking settings does not require any particular precautions. The checks must be carried out by a qualified person.

Testing the Device

CAUTION
HAZARD OF NUISANCE TRIPPING Protection tests must be done by qualified electrical personnel. Failure to follow these instructions can result in injury or equipment damage.

When testing device trip mechanisms, precautions must be taken:

To avoid disrupting operations.
To avoid inappropriate actions or tripping of alarms.

For example, tripping the device with the push-to-trip button can lead to inappropriate detected fault indications or corrective actions (such as switching to a replacement power source).

Setting the Trip Unit

WARNING
HAZARD OF NUISANCE TRIPPING OR FAILURE TO TRIP Protection setting adjustments must be done by qualified electrical personnel. Failure to follow these instructions can result in death, serious injury, or equipment damage.

Modifying trip unit settings requires a thorough knowledge of the installation and safety rules.