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Summary of Contents for WEG UBW2500
- Page 1 Motors | Automation | Energy | Transmission & Distribution | Coatings WEG Molded Case Circuit Breakers UBW2500 User’s Manual...
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Page 2: General Information
Commission Recommendations No. IEC 60947-2. This instruction leaflet (IL) gives procedures for installation and field testing of UBW2500 circuit breakers. For this publication, the term circuit breaker shall also include the molded case switch. Figure 1: UBW2500 circuit breaker frame with digitrip RMS trip unit installed... -
Page 3: Installation
Notes: The breaker is equipped with a cover interlock feature,sothat when the cover is removed, the breaker will trip and cannot be reset or operated until the cover is replaced and screwed down securely. Instructions for installing the trip unit rating plug and accessories in the UBW2500 circuit breaker are supplied with each item. - Page 4 Before mounting the circuit breaker in an electrical system, make sure there is no voltage present where work is to be performed. Special attention should be paid to reverse feed applications ensure novoltage is present. WEG Molded Case Circuit Breakers - User’s Manual...
- Page 5 A note should be made of the diagrams if the labels cannot be seen when the circuit breaker is mounted. c. Position circuit breaker on mounting surface. d. Install circuit breaker (mounting hardware not supplied). WEG Molded Case Circuit Breakers - User’s Manual...
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Page 6: Manual Operation
1600 Copper Metric 1-600 (4) 50-300 375 (42) 300 (34) Rear RT1 UBW2500 2500 Copper Metric 180 (20) connectors Table 2: terminal types Note: 1) Required and shipped with 2500 Amp frames. WEG Molded Case Circuit Breakers - User’s Manual... -
Page 7: Circuit Breaker Reset
The button is designed to be operated by finger pressure. 4. INSPECTION AND FIELD TESTING UBW2500 molded case circuit breakers are designed to provide years of almost maintenance-free operation. The following procedure describes how to inspect and test a circuit breaker in service. - Page 8 6. Check circuit breaker mounting hardware, and tighten if necessary. 7. Check area where circuit breaker is installed for any safety hazards, including personal safety and fire hazards. Exposure to certain types of chemicals can cause deterioration of electrical connections. WEG Molded Case Circuit Breakers - User’s Manual...
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Page 9: Field Testing
ARE MADE REGARDING THE INFORMATION, RECOMMENDATIONS, AND DESCRIPTIONS CONTAINED HEREIN. In no event will WEG be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or other wise for any special, indirect, incident al or consequential damage or loss whatsoever, including but not limited to... - Page 10 NOTES WEG Molded Case Circuit Breakers - User’s Manual...
- Page 11 NOTES WEG Molded Case Circuit Breakers - User’s Manual...
- Page 12 Changzhou – Jiangsu Phone: +86 519 88067692 info-cn@weg.net For those countries where there is not a WEG own operation, find our local distributor at www.weg.net. WEG Group - Automation Business Unit Jaraguá do Sul - SC - Brazil 55 (47) 3276-4000 Phone: + automacao@weg.net...
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