Chaves de transferência motorizadas

Uninterrupted power supply with motorized functionality

ABB offers a wide variety of open transition motorized change-over switches from 40 to 3200 Amperes in range. All of our visually redesigned motorized change-over switches now come equipped with a new cover with clear operating instructions and improved motor operator performance.

    Reduced installation time
ABB motorized change-over switches are fast and easy to install.
  The voltage sensing connectors have been designed to save time,
  as there is no need to drill holes into the busbars. Also, the control
and power cables are screw mounted, providing a safe and secure
connection that stays tight even during transportation.

  Safe and reliable
  Our switches come equipped with a comprehensive range of inbuilt
    safety features such as mechanical interlock, which ensures the
  isolation of the two asynchronous power supplies. This eliminates
risk of shortcircuiting between them. The motorized change-over
switches are also equipped with a handle for manual operation in
case of emergency.

High performance level
Ensuring a high performance level for you is of the utmost
importance to us. In change-over applications where the loaded
switch may need to be operated remotely, adequate durability
has been ensured by testing against the IEC 60947-6-1 standard
in the specification of endurance requirements.

   Space-saving design
ABB provides compact and cost-effective components for any and
  all installations. On average, our motorized change-over switches
  are 20% smaller than other similar products on the market.

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Highlights

New Spare Parts catalog 2016 is now available!

We are glad to inform you about the availability of new Spare Parts catalog for low voltage circuit breakers, switches, contactors, softstarters and arc guard systems.

ABB Transfer switches – Securing your power to perform

A secure power supply is essential to any application relying on electricity. We offer a full range of smart, safe and reliable change-over switches for your critical applications. With our transfer switches, you are never left in the dark.

Transfer switches OTM160…800 A – Easy installation of accessories

Save installation time and cost with our transfer switches. We offer a wide range of accessories, easy and simple to install.

Transfer switches OTM1000…3200 A – Easy installation of accessories

Save installation time and cost with our transfer switches. We offer a wide range of accessories, easy and simple to install.

Tools and Support

Catalogues

Product data

Frequently asked questions

Download a document

Download a document for accessories

Main catalogue - Change-over, bypass and transfer switches
Technical data, ordering information and dimension drawings of the entire range of manual and motorized change-over, transfer and bypass switches.

Technical application paper
Learn how ABB’s change-over switches maximize the safety and reliability of your application. It includes a guide to select the appropriate change-over switch and a customer case.

Frequently asked questions

1. The motorized change-over stops operating after few operations.
Check that you are supplying the motor operator with correct voltage level and that control circuit connections are voltage free.

2. Motor operator does not react to control command.
Check that the fuse of the motor operator (at the bottom of the switch) is ok, that the handle is not mounted, that no padloks are installed and that the Auto/ Manual toggle is in AUTO mode.

3. The auxilary contacts do not connect when the switch poles are moving.
Check that auxiliary contacts are installed on the right side of the motorized change-over switch. They will not work if they are on the left side.

4. How can I mount the motorized change-over switch on the panel?
On table mount, horizontally and vertically. For motorized change-over switches, ceiling mount is not recommended.

5. Can I use ABB motorized change-over switches in environments with temperatures higher than 40 degrees?
Yes but deranting factors needs to be checked. Notice that motor operator operating temperature limit is 55°C, which becomes often the limitation.

6. Where can I get spare fuses for the motorized change-over switches?
ABB factory does not provide spare fuses. You can use any brand that meets the requirements specified in the catalog.

7. I have ordered an OMD controller as a spare part and after doing the connection correctly the product does not work as it should.
Check the operating mode of the OMD controller. Select Motorized OTM_C option when connecting separate OMD controller and OTM motorized change-over switch.

8. Can the OMD200 controller be used in a 3 phase system?
The OMD200 controller does not work without neutral line. This means that you need to get the neutral reference from a separate place or use a transformer.

9. Can the OMD300 controller be used in 3 phase system?
The OMD300 controller does not work without neutral line. This means that you need to get it from a separate place and select the option "Neutral in use" from the OMD controller. If this is not done, the power source to motor does not work.

10. OMD controller shows an alarm. What do I need to do?
First, you need to detect what the reason for the alarm is and shut it off - to check how to do it, refer to the user manual. After the alarm has been shut off, the controller is in manual mode and you need to push AUTO button once.

11. What are recommended accessories when ordering OTM40…125 + OMD controller as two separate components?
We recommend to order a controller, a motorized change-over switch and 3 sets of OZXT6 terminal clamp sets.

12. What are recommended accessories when ordering OTM160…3200 + OMD controller as two separate components?
We recommend to a controller, a motorized change-over switch, one set of OMZB_ voltage sensing connectors and 2 pieces of OA1G10 auxiliary contacts. For specific item types, refer to the technical catalog 1SCC303003C0201.

13. Are two pole change-over switches available?
For most of the switch products, ABB offers special two pole models.

14. Is it possible to use ABB change-over switches for DC applications?
Yes, ABB change-over switches can be used in DC application but notice that the electrical performance in DC is very different than in AC. To see the DC technical data, refer to the technical catalog 1SCC303003C0201.

15. The product locking information output feature in the OTM does not work.
The locking infromation output feature in the OTM does not work if the motor operarator is not supplied.

16. The Automatic Transfer Switch does not change its position even if both networks are available.
Check that the fuse of the motor operator (at the bottom of the switch) is ok, that the OMD controller does not show any alarms and that the switch has a power supply.

17. In motorized change-over switches from 40 to 125 Amperes (OTM40….125): How does the connection terminal with the mark "this terminal is for OMD connection" works?
That terminal can be used only when connecting ABB OMD controllers to the motorized change-over switch. When using another type controllers, connection (C-II-I-0) must be used.

18. Can I use an external handle and shaft with a motorized change-over switch or automatic transfer switch?
No. It is only allowed to use the direct mount handle (emergency handle) to operate switch manually.

19. What is the transfer time of the Automatic Transfer Switches?
The OFF time range is of 0,4 - 1,5 seconds. The total transfer time range is 2 -6 seconds. To find product specific operating times, refer to the user manual.

20. I have ordered a pre-wired ATS solution with voltage sensing on top. Can I change the voltage sensing cables to bottom?
No. The voltage sensing cables are installed inside switch body and cannot be removed or changed. The only possibility is to do completely new wiring.

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Related products

Automatic transfer switches

Manual operated change-over switches

Manual operated bypass switches

Motor operated bypass switches

Motor operated switch-disconnectors

Motor operated switch fuses

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Chaves de transferência motorizadas

Uninterrupted power supply with motorized functionality

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Highlights

New Spare Parts catalog 2016 is now available!

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Product data

Frequently asked questions

Download a document

Download a document for accessories

Frequently asked questions

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Chaves de transferência motorizadas

Uninterrupted power supply with motorized functionality

Buscando informações sobre suporte ou vendas?

Highlights

New Spare Parts catalog 2016 is now available!

Tools and Support

Catalogues

Product data

Frequently asked questions

Download a document

Download a document for accessories

Frequently asked questions

Related products

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