Hager Hw+ Manuel utilisateur

User manual

hw+

Air circuit breaker

up to 1600 A

RESET AUTO

MANUAL

In 160

Ø5.8

COM

26LE007331A

01 About this manual 4

1.1 Safety instructions 4

1.2 Using this manual 5

02 Sentinel electronic trip unit 6

2.1 Description 6

2.2 Display 10

2.3 LI trip unit 11

2.4 LSI trip unit 12

2.5 LSIG trip unit 13

03 The types of protection device 14

3.1 List of protection devices 14

3.2 Long time delay protection 15

3.3 Short time delay protection 17

3.4 Instantaneous protection 19

3.5 Ground fault protection 20

3.6 Neutral protection 21

3.7 Zone Selective Interlocking function (ZSI) 22

04 Protection settings 25

4.1 Principle 25

4.2 Long time delay (LTD) protection setting 32

4.3 Short time delay (STD) protection setting 34

4.4 Instantaneous (INST) protection setting 36

4.5 Ground fault (GF) protection setting 37

4.6 Neutral (N) protection setting 39

4.7 Reviewing the settings 41

05 Circuit breaker operation 44

5.1 Description 44

5.2 Circuit breaker closing 47

5.3 Circuit breaker opening 49

5.4 Locking the opening and closing push buttons 51

5.5 Locking the circuit breaker in the open position using padlocks 53

5.6 Locking the circuit breaker in open position using keylocks 56

5.7 Locking the circuit breaker in the chassis using padlocks 60

5.8 Locking the circuit breaker in the chassis using keylocks 63

5.9 Racking interlock RI 67

06 Positions of the withdrawable circuit breaker in the chassis c 69

07 Positions of the withdrawable circuit breaker in the chassis 70

7.1 Changing from connected position to test position 70

7.2 Changing from test position to disconnected position 73

7.3 Changing from disconnected position to test position 75

7.4 Changing from test position to connected position 77

Contents Page

36LE007331A

8 Extracting the withdrawable circuit breaker 79

9 Inserting the withdrawable circuit breaker 81

10 Commissioning the circuit breaker 84

11 Alarm management 85

11.1Overload pre-alarm 85

11.2Overload alarm 87

11.3Trip alarm 88

11.4System alarm 89

12 Closing the circuit breaker after a trip operation 94

13 Maintenance indicator 99

14 Replacing the backup battery 100

15 Changing the rated current value In of the trip unit 107

Page

46LE007331A

About this manual

1.1 Safety instructions

Warnings and instructions

This documentation contains safety advice which must be respected for your own safety and

to prevent property damage.

Safety advice relating to your own safety is identiﬁed by a safety warning symbol in the

documentation. Safety advice relating to damage to property is identiﬁed by "ATTENTION".

The safety warning symbols and the wording below are classiﬁed according to the risk level.

DANGER

DANGER indicates an imminent dangerous situation which, if not avoided, will result in

death or serious injuries.

ATTENTION

ATTENTION indicates a warning message relating to equipment damage.

ATTENTION also indicates important instructions for use and particularly relevant

information regarding the product, which must be respected to ensure eective and safe

use.

WARNING

WARNING indicates a potentially dangerous situation which, if not avoided, may result in

serious injuries or even death.

CAUTION

CAUTION indicates a potentially dangerous situation which, if not avoided, may result in

minor or moderate injuries.

56LE007331A

About this manual

1.1 Safety instructions

Qualiﬁed personnel

The product or the system described in this documentation must be installed, operated and

maintained by qualiﬁed personnel only. Hager Electro accepts no responsibility regarding the

consequences of this equipment being used by unqualiﬁed personnel.

Qualiﬁed personnel are those people who have the necessary skills and knowledge for

building, operating and installing electrical equipment, and who have received training

enabling them to identify and avoid the risks incurred.

Appropriate use of Hager products

Hager products are designed to be used only for the applications described in the catalogues

and on the technical documentation relating to them. If products and components from other

manufacturers are used, they must be recommended or approved by Hager.

Appropriate use of Hager products during transport, storage, installation, assembly,

commissioning, operation and maintenance is required to guarantee problem-free operation in

complete safety.

The permissible ambient conditions must be respected. The information contained in the

technical documentation must be respected.

Publication liability

The contents of this documentation have been reviewed in order to ensure that the information

is correct at the time of publication.

Hager cannot, however, guarantee the accuracy of all the information contained in this

documentation. Hager assumes no responsibility for printing errors and any damage they may

cause.

Hager reserves the right to make the necessary corrections and modiﬁcations to subsequent

versions.

66LE007331A

Purpose of the document.

This manual is designed to provide users, electricians, panel builders and maintenance

personnel with the technical information required for the commissioning and operation of hw+

circuit breakers with electronic trip units.

Field of application

This document applies to hw+ circuit breakers with electronic trip units.

Revisions

Version Date

6LE007331A April 2021

Documents to consult

Document Reference

hw+ installation manual 6LE007893A

hw+ maintenance manual 6LE007897A

You can download these publications and other technical information from our website: www.

hager.fr

Contact

Address Hager Electro SAS 132 Boulevard d’Europe

67215 Obernai France

Phone + 33 (0)3 88 49 50 50

Website www.hager.fr

About this manual

1.2 Using this manual

76LE007331A

Sentinel electronic trip unit

2.1 Description

hw+ Air Circuit Breakers are equipped with a Sentinel electronic trip unit on the front to protect

against overloads and short circuits.

It has a display and adjustment dials enabling the user to conﬁgure the protection settings and

monitor its normal operation.

86LE007331A

Sentinel electronic trip unit

2.1 Description

The following characteristics are common to all the versions of the Sentinel electronic trip

units:

In 160

1Display

2button used to:

- clear an alarm after the air circuit breaker

has tripped,

- navigate through the display screens.

3Dials for making adjustments to the

Sentinel electronic trip unit.

4Rated current value In of the air circuit

breaker. This value is provided by the

Rating Plug installed in the electronic trip

unit.

5USB-C port to connect a battery.

The Sentinel electronic trip unit is self-

powered when the circuit breaker is in

service except when:

- if the circuit breaker is open or de-

energised after tripping,

- if the withdrawable circuit breaker is in

test or disconnected position.

In these cases, you are advised to

connect an external battery to this USB-C

port or an external 24 VDC power supply

(Hager HTG911H) to the TU 24 V +/-

terminals of the terminal block in order to

view the settings through the display.

This USB-C port also allows connection

to a computer equipped with the Hager

Power Setup commissioning software

(see chapter 4.1 Principle)

6Backup battery powering the display after

electrical tripping.

It ensures that the alarm signals on the

display providing information of the cause

of the tripping are maintained.

7Backup battery housing hatch.

96LE007331A

Sentinel electronic trip unit

2.2 Display

Description of the display

Sentinel electronic trip units are equipped with a display which makes it possible to adjust

settings, visualise the instantaneous load current and see the tripping causes of hw+ circuit

breaker along with other alarm indications.

AZE

1 2 3 4 5

1Overload indicator: displayed as soon as the current exceeds 105% of Ir.

2Error indicator: displayed when an error is detected.

3Maintenance indicator: displayed when a maintenance intervention is required.

4Text display area: displays the name of the protection parameter during adjustment or after a trip in

addition to the error codes of detected operating system alarms.

5Low or missing battery indicator: displayed if the electronic trip unit backup battery needs

changing or is not connected.

6Tripindicator: together with the digital display zone, the text display zone and the phase display,

enables the cause of the tripping to be precisely determined.

7Overload indicator: ﬂashes as soon as the current exceeds 105% of Ir and is lit and steady above

112.5% Ir

8Overload pre-alarm indicator: warns of an imminent tripping risk.

9ReadyToProtect indicator: displayed when the trip unit is operational and ready to protect.

ADigital display zone: used to display the values of the various settings and what the tripping value

was, using the following units.

A Ampere

Â Peak amperage

S Second

I²t I²t curve

Also displays the codes of the hardware alarm triggering system.

ZPhase display: Neutral on the left / Phase L1 / Phase L2 / Phase L3.

EReference screen: shows the number of screens in the trip unit as well as its position in the display

order.

RBargraph: used to view the currents read on the most highly loaded phase L1, L2 or L3 as a

percentage of the Ir setting.

10 6LE007331A

In standby, the ReadyToProtect indicator ﬂashes, indicating normal operation of the hw+

circuit breaker.

A short press of the button displays a 1st screen showing the highest current of the 3

phases ﬂowing through the circuit breaker.

Current ﬂowing through the circuit breaker in % of Ir.

Value in ampere of the current ﬂowing through the circuit

breaker on the most highly loaded phase.

Relevant phase.

Sentinel electronic trip unit

2.2 Display

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