ABB DS 261 User manual

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Residual Current-operated

Circuit Breakers with overcurrent

protection (RCBO) Type DS 261 / DS 271

Installation and operating instructions

ABB STOTZ-KONTAKT GmbH

P.O. Box 101 680, D-69006 Heidelberg

Phone (06221) 701-0, Fax (06221) 701 723

GH D270 7021 P2

1.Technical data: see printing on device

2. Mounting:

Installation in the desired position by means of snap-on

fastening to DIN-rails according to EN 60 715, 35 mm

or alu-profile for application e. g. in consumer units and

distribution boards.

4. Operation:

The DS 261 / DS 271 is switched ON and OFF by means

of the black switch handle.

5. Functional test:

For the functional test the switch must be in the ON („I“)

position and the white test pushbutton has to be pressed.

The RCBO must trip immediately, the black switch handle

jumps to the lower position with the switch indication

O-OFF

Attention: For fitment on BS aluminium profile it is

necessary to break out ONE only profile clip per RCBO

to be fitted. (Not two)

3. Connection:

The phase (L) and neutral (N) from the load circuit are

connected to the two upper terminals. The black „flying“

neutral supply lead is for the connection to the source

neutral supply and the white „flying“ functional earth

supply lead is for connection to earth (PE).

Care should be taken to ensure a good, secure connection

to the conductor. Maximum screwdriver torque 3 Nm.

Protection against unintentional direct touch acc. to DIN

VDE 0106 part 100.

Mounting and dismounting only allowed by an

authorized electrician.

mounting dismounting

mounting dismounting

The functional test should be repeated monthly, RCBO

must trip.

Made in Germany

SK 0129 Z 01

SK 0101 Z 01

SK 0102 Z 01

SK 0127 Z 01

SK 0128 Z 01

SK 0104 Z 01

7. Insulation test:

The device DS 261 / DS 271 must be disconnected before

carrying out insulation tests. If insulation testing is carried

out on the incoming supply side of the unit, the functional

earth must also be disconnected in order to avoid

measurement errors.

An additional label is supplied.

This label should be displayed in a prominent position.

8. Cleaning:

RCBO´s which may have become soiled during assembly

work in the switchboard can be cleaned with a damp, soapy

cloth. On no account should corrosive or similar solvents be

used.

9. Faults:

STOTZ Residual current operated circuit Breakers with

integral Overcurrent protection (RCBO) are high quality

RCBO´s which are subjected to careful adjustment and

testing in the factory.

In the event of damage (e.g. due to transport or storage) no

repairs should be undertaken. If the RCBO trips immediately

when being commissioned, a check should be made for

connections to earth in the down-stream electrical circuits

and the appliances connected to them. Any insulation faults

between the neutral conductor and the protective conductor

should be eliminated.

If the RCBO does not trip during the first functional test, a

check should then be made as to whether the test circuit

has been correctly connected.

If the installation is correct and the RCBO continues to trip

or if the functional test has not been successful the RCBO

must be replaced.

10. In case of opening the RCBO, the right to claim under

guarantee expires.

6. Testing the protective measures:

As well as the functional test of the RCBO, the effective-

ness of the protective measures should be tested for com-

pliance with the relevant specifications. The maximum per-

missible earthing resistance for the residual current-opera-

ted protective switching is:

Max. permissible Max. permissible earthing

touch voltage resistance with rated residual

UL a.c. operating current I∆n

10 mA 30 mA 300 mA

25 V 2500 액833 액84 액

50 V 5000 액1666 액164 액