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WEG Worldwide Operations

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WEG Group - Automation Business Unit

 

Jaraguá do Sul - SC - Brazil  

 

Phone: +

55 (47) 3276-4000 

 

[email protected] 

 www.weg.net 

ARGENTINA

San Francisco - Cordoba
Phone: +54 3564 421484

[email protected]

Cordoba - Cordoba
Phone: +54 351 4641366

[email protected]

Buenos Aires
Phone: +54 11 42998000

[email protected]

AUSTRALIA

Scoresby - Victoria 
Phone: +61 3 97654600

[email protected]

AUSTRIA

Markt Piesting - Wiener 
Neustadt-Land
Phone: +43 2633 4040

[email protected]

BELGIUM

Nivelles - Belgium
Phone: +32 67 888420

[email protected]

BRAZIL

Jaraguá do Sul - Santa 
Catarina
Phone: +55 47 32764000

[email protected]

CHILE

La Reina - Santiago
Phone: +56 2 27848900

[email protected]

CHINA

Nantong - Jiangsu
Phone: +86 513 85989333

[email protected]

Changzhou – Jiangsu 
Phone: +86 519 88067692

[email protected]

COLOMBIA

San Cayetano - Bogota
Phone: +57 1 4160166

[email protected]

ECUADOR

El Batan - Quito
Phone: +593 2 5144339

[email protected]

FRANCE

Saint-Quentin-Fallavier - Isère
Phone: +33 4 74991135

[email protected]

GERMANY

Türnich - Kerpen 
Phone: +49 2237 92910

[email protected]

Balingen - Baden-
Württemberg
Phone: +49 7433 90410

[email protected]

GHANA

Accra
Phone: +233 30 2766490

[email protected]

INDIA

Bangalore - Karnataka
Phone: +91 80 41282007

[email protected]

Hosur - Tamil Nadu
Phone: +91 4344 301577

[email protected]

ITALY

Cinisello Balsamo - Milano
Phone: +39 2 61293535

[email protected]

JAPAN

Yokohama - Kanagawa
Phone: +81 45 5503030

[email protected]

MALAYSIA

Shah Alam - Selangor
Phone: +60 3 78591626

[email protected]

MEXICO

Huehuetoca - Mexico
Phone: +52 55 53214275

[email protected]

Tizayuca - Hidalgo
Phone: +52 77 97963790

NETHERLANDS

Oldenzaal - Overijssel
Phone: +31 541 571080

[email protected]

PERU

La Victoria - Lima
Phone:  +51 1 2097600

[email protected]

PORTUGAL

Maia - Porto
Phone: +351 22 9477700

[email protected]

RUSSIA and CIS

Saint Petersburg
Phone: +7 812 363 2172

[email protected]

SOUTH AFRICA

Johannesburg
Phone: +27 11 7236000

[email protected]

SPAIN

Coslada - Madrid
Phone: +34 91 6553008

[email protected]

SINGAPORE

Singapore
Phone: +65 68589081

[email protected] 

Singapore
Phone: +65 68622220

[email protected]

SCANDINAVIA

Mölnlycke - Sweden
Phone: +46 31 888000

[email protected]

UK

Redditch - Worcestershire
Phone: +44 1527 513800

[email protected]

UNITED ARAB EMIRATES

Jebel Ali - Dubai
Phone: +971 4 8130800

[email protected]

USA

Duluth - Georgia
Phone: +1 678 2492000

[email protected] 

Minneapolis - Minnesota
Phone: +1 612 3788000

VENEZUELA

Valencia - Carabobo
Phone: +58 241 8210582

[email protected]

For those countries where there is not a WEG own operation, find our local distributor at www.weg.net.

Summary of Contents for LT1 UBW250

Page 1: ...Motors Automation Energy Transmission Distribution Coatings User s Manual WEG Molded Case Circuit Breakers UBW250...

Page 2: ...recommendations and information contained herein are based on WEG experience and judgment but should not be considered to be all inclusive or covering every application or circumstance which may aris...

Page 3: ...n Fixed thermal Adjustable thermal1 Adjustable magnetic of ln 2 UBW250 250 200 250 5 to 10 Table 1 available trip unit ratings Notes 1 Not UL listed 2 For adjustable thermal trip units the magnetic se...

Page 4: ...ternal accessories be installed at the factory in this type of circuit breaker For hardware conversion kits and handle mechanisms required to replace existing WEG circuit breakers If required internal...

Page 5: ...Care should be taken every time a thread forming screw is used to ensure the screw starts in the original threads Damaged threads can result in improper circuit breaker cover retention 4 Install cove...

Page 6: ...d equipment can cause death or severe personal injury Before mounting the circuit breaker in an electrical system make sure there is no voltage present where work is to be per formed Special attention...

Page 7: ...rcuit breaker handle Figure 6 circuit breaker escutcheon dimensions b If circuit breaker includes factory or field installed internal accessories make sure that accessory wiring can be reached when th...

Page 8: ...t breaker nameplate Terminal catalog number Terminal material body Screw head type AWG wire range Metric wire range Wire type Torque value Lb in N m LT1 UBW250 Stainless steel Socket 4 350 MCM 25 185...

Page 9: ...ermal element in the trip unit cools No circuit breaker should be reclosed until the cause of trip is known and the situation rectified 3 3 PUSH TO TRIP BUTTON The PUSH TO TRIP button checks the circu...

Page 10: ...aid to reverse feed applications to ensure no voltage is present CAUTION Make sure that cleaning agents or solvents used to clean the circuit breaker are suitable for the job Some commercial cleaning...

Page 11: ...the connections If there is evidence of overheating terminations should be cleaned or replaced Before reenergizing the circuit breaker all terminations and cable should be refurbished to the conditio...

Page 12: ...hone 233 30 2766490 info zestghana com gh INDIA Bangalore Karnataka Phone 91 80 41282007 info in weg net Hosur Tamil Nadu Phone 91 4344 301577 info in weg net ITALY Cinisello Balsamo Milano Phone 39 2...

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