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Summary of Contents for WEG UBW800S
- Page 1 Motors | Automation | Energy | Transmission & Distribution | Coatings WEG Molded Case Circuit Breakers UBW800 User’s Manual...
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Page 2: Introduction And General Information
WEG is not liable for the misapplication or misinstallation of its products. The user is cautioned to observe all recommendations, warnings and cautions relating to the safety of personnel and equipment, as well as all general and local health and safety laws, codes and procedures. -
Page 3: Installation
3. If not already installed, mount the trip unit and accessories (if required) in circuit breaker frame. See Figure 2. Rating plug must be installed in electronic trip units. WEG Molded Case Circuit Breakers - User’s Manual... - Page 4 5. If not already installed, mount wire connecting terminals as shown in Figure 3. Secure the terminals to the circuit breaker using the provided 1/2 in bolts and lock washers. Torque to 30 to 35 Ib.-ft. (40.68 to 47.46 N.m). With the circuit breaker WEG Molded Case Circuit Breakers - User’s Manual...
- Page 5 For individual surface mounting, drill the mounting panel using the drilling plan shown in Figure 4. For panelboard mounting, only load end support mounting holes are required. For Deadfront cover applications, cut out cover to correct escutcheon dimensions, see Figure 5. WEG Molded Case Circuit Breakers - User’s Manual...
- Page 6 (43.66) 2 and 3-pole circuit breaker 0.250 (6.35) Circuit 3.281 breaker (83.34) 1.325 handle (33.66) 2.292 (58.22) 1.500 (38.10) R.188 (4.78) 3.641 (92.48) 7.281 (184.94) Load end Figure 5: 3-pole cutout dimensions WEG Molded Case Circuit Breakers - User’s Manual...
- Page 7 (line or load) and ground without the addition of supplementary insulation. WARNING Hazardous voltage conditions can cause death or severe personal injury. Maintain original electrical clearance and creepage spacings at terminations. WEG Molded Case Circuit Breakers - User’s Manual...
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Page 8: Manual Operation
(up to approximately five minutes) before it can be reset. No circuit breaker should be reclosed until the cause of trip is known and the situation rectified. WEG Molded Case Circuit Breakers - User’s Manual... - Page 9 1. Remove dust, dirt, soot, grease or moisture from the surface of the circuit breaker using a lint-free dry cloth, brush or vacuum cleaner. Do not blow debris into circuit breaker. If contamination is found, look for the source and eliminate the problem. WEG Molded Case Circuit Breakers - User’s Manual...
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Page 10: Field Testing
The information, recommendations, descriptions, and safety notations in this document are based on WEG’s experience and judgment with respect to Retrofitting of Power Breakers. This instructional literature is published solely for information purposes and should not be considered all-inclusive. - Page 11 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 otherwise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to damage...
- 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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