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Controls Accessories and Spare Parts
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Products & Solutions
Contactors and Motor Starters
Circuit breakers for short circuit- and overload protection of motor applications, covering the current range from 0.1 to 90 A AC-3 rating. CTI 25MB breakers offer a higher short circuit breaking capa...
What about the fact that the uncontrolled phase always is “live” on the motor terminal box?
Answer: Even with the semiconductor switched off, it is possible to measure a voltage on the motor terminals. Therefore it would not make any difference if all three phases had been switched off. The situation is the same with all solid-state controllers and frequency converters. In order to work on the motor terminals, the control device (soft starter or contactor) must be switched off anyway, for example with a circuit breaker type CTI. This is also relevant for a contactor, even though the mains are isolated
Why is there a necessity for a fourth pole?
Answer: Most circuits have three phases. On some, usually smaller, systems, it is desired to break the neutral wire as well as the three “live” phases. Danfoss contactors provide this option up to and including CI 15.
Where can I find approvals and certificates for Danfoss products? E.g. do you have a PED certificate for KP7W?
Answer: You can find product approvals and certificates for all our products on our internet website. Follow this link to search for documents either by product or by authority: http://www.danfoss.com/BusinessAreas/IndustrialAutomation/Documentation/Approvals+and+Certificates.htm
Do Danfoss products comply with RoHS directive (Restriction of Hazardous Substances)?
Answer: Yes, all declarations of conformity, including RoHS and WEEE, can be found in our internet product catalogue. Look up the product of your interest and find the relevant document either under the Literature link or the Approvals & Certificates link.
How can I connect a CTI circuit breaker with a CI contactor?
Answer: To connect CTI and CI we recommend module CTC: CTC 25-15: Connection module between CTI 25M-MB and CI 6-15 contactors. CTC 25-30: Connection module between CTI 25M-MB and CI 16-30 contactors.
I'm looking for a Danfoss code number and I have not found it in any catalogues?
Answer: Som code numbers are not available for all markets, or it may have been replaced by another number. To resolve the issue, please contact your nearest Danfoss office: http://www.danfoss.com/Contact/Worldwide/
Could I send you a Danfoss part for repair?
Answer: Danfoss does not have repair departments locally. For warranty or complaints issues, please contact your nearest Danfoss sales office and they will tell you how we handle these issues in your area.
Can you deliver your products worldwide?
Answer: Yes, we have own distribution centre across the world, working together with more than 100 distributors and agents. You can see your nearest distributor or Danfoss office here: http://www.danfoss.com/Contact/Sales_and_Services/
Do you have a complete catalogue showing all your products?
Answer: Our internet product catalogue is the most extensive information source: http://www.danfoss.com/Products/Categories/ Besides these products, Danfoss also produces customer-specific products and solutions that are not visible in the catalogue. Please contact your nearest Danfoss office to discuss your needs and how we can meet them.
Can you deliver products exclusively made for us?
Answer: Yes, we have the possibility to develop products that are unique for one customer subject to individual agreements. The products may differ in appearance, technical features or packaging. Please contact us to discuss your requirements.
Which distribution channels does Danfoss use?
Answer: Danfoss makes use of different channels, including distributors, to suit the markets' needs. An increasing number of our customers use our web ordering and EDI e-commerce solutions.
Can I review your stock online?
Answer: Yes. By using Danfoss web-ordering, you can check product availability. Please contact Danfoss to get access to web-ordering.
Where can I find technical drawings of Danfoss products?
Answer: Dimension and function drawings of our products are often part of the products'' technical leaflets. In our internet product catalogue (http://www.danfoss.com/Products/Categories/), find the product of your interest, then follow the Literature link to see available items.
Where do I direct commercial or technical questions?
Answer: Danfoss worldwide sales and services is available here: http://www.danfoss.com/Contact/Sales_and_Services/ Your nearest Danfoss office will be able to answer your question, or have it directed to the appropriate expert.
Do you have local stock?
Answer: This depends on the country and product concerned. Our logistics are set up to achieve competitive and reliable delivery performance for our customers.
Where can we find your data sheets?
Answer: All relevant literature, including technical brochures, are available on our Web site: http://www.danfoss.com/BusinessAreas/IndustrialAutomation/Documentation/Industrial+Automation+Literature.htm
Do you have local websites in my language?
Answer: Yes, please see http://www.danfoss.com/ and then use the "Local sites" option in the top right-hand corner.
Is it possible to place orders online?
Answer: Yes, you can place orders and access order information online. Please contact Danfoss to get access to web-ordering. You can see the benefits of Danfoss web-ordering at http://www.danfoss.com/Products/ebusiness/
Does Danfoss operate globally?
Answer: Yes. More than 100 Danfoss sales companies and more than 100 agents are spread across the world, making Danfoss nearby, always.
Is Danfoss a German company?
Answer: No, it is a globally acting group with headquarters in Denmark.
What is difference between Icu and Ics marked on circuit breakers?
Answer: Icu is the ultimate short circuit breaking capacity in kA specified by manufacturer that circuit breaker can handle under circumstances specified in EN 60947-2, whilst Ics is the rated service short circuit breaking capacity in kA specified by manufacturer that circuit breaker can handle under circumstances specified in EN 60947-2.
What is the maximum current the CTI can interrupt?
Answer: All data is printed on the circuit breaker, including maxiumum breaking capacity. For details, please refer to the relevant technical brochure, available for download in our web product catalogue.
Are CTI 15 equal to CTI 25 in regard to electrical parameters?
Answer: The products have the same dimensions, accessories and most of the electrical parameters. Main differences CTI 15 vs CTI 25 are: No reset function, lower short-circuit breaking capacity and no marine approval available. For details, please see the technical brochure, available for download in our web product catalogue.
Can the CTI 15 circuit breaker operate at ambient temperature over 60 °C?
Answer: Yes but only up to 70°C, and 15% current reduction of the upper rated current must be considered.
Where can I find some technical information about your products?
Answer: Please see our online product catalogue: http://www.danfoss.com/BusinessAreas/IndustrialAutomation/Product+catalogue/IA+product+catalogue.htm
Does a thermal overload relay provide full protection of the motor?
Answer: A thermal overload relay equipped with bimetals is a relatively small, yet reliable appliance to protect electrical motors against: –mechanical overload, –asymmetrical operation, –phase failure. To provide protection against short circuit current you should use fuses. For full protection of the motor, we recommend CTI circuit breakers.
Can a BBT 25 be used instead of CTT 25?
Answer: CTT 25 (047B3076) is dedicated for CTI 15 and BBT 25 (047B3259) is dedicated for CTI 25M-MB and they have different distance between terminals so they cannot be used interchangeably.
Can you recommend a replacement for a CTI 25 circuit breaker?
Answer: CTI 25 is obsolete product. Instead, we recommend the CTI 15, available with a wide variety of accessories.
Can you send me literature, brochures or catalogues on your products?
Answer: We appreciate your interest and will happily send you an overview of our offering in print. Please contact your local Danfoss office or e-mail us on firstname.lastname@example.org, describing your interest and application.
I placed an order through e-commerce. Could you please check the delivery dates and inform me the earliest possible delivery?
Answer: Delivery dates are supplied in the e-commerce system and based on Danfoss standards. If the confirmed delivery date is not acceptable, please contact Danfoss through e-mail or telephone.