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Summary of Contents for Powell SM-1500
- Page 1 SM-1500 Motor Cutoff Switch Assembly Powered by Safety ® Courtesy of NationalSwitchgear.com...
- Page 2 Motor Cutoff Switch Assembly SM-1500 Contact Information Powell Electrical Systems, Inc. www.powellind.com info@powellind.com Service Division PO Box 12818 Houston, Texas 77217-2818 Tel: 713.944.6900 Fax: 713.948.4569 Powered by Safety ® Courtesy of NationalSwitchgear.com...
- Page 3 “IMPORTANT”. This is defined as: IMPORTANT IMPORTANT IMPORTANT indicates a section of the manual covering a non hazardous situation, but one where Powell feels proper attention is warranted. Powered by Safety ® Courtesy of NationalSwitchgear.com...
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Page 4: Table Of Contents
SM-1500 Contents Ch 1 General Information ....................1 A. S ................................2 cope B. p ................................2 urpoSe Ch 2 Safety ........................3 A. S ............................3 ondition B. S ...............................3 Afety uidelineS c. G ................................4 enerAl d. S ................................4 pecific e. X-r ................................5 f. S ..............................5... - Page 5 Motor Cutoff Switch Assembly SM-1500 This page is intentionally left blank. Powered by Safety ® Courtesy of NationalSwitchgear.com...
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Page 6: Ch 1 General Information
This document and all other documentation shall be fully read, understood, and all warnings and cautions shall be abided by. If there are any discrepancies or questions, the user shall contact Powell immediately at 1.800.480.7273. -
Page 7: S Cope
Motor Cutoff Switch Assembly SM-1500 A. S cope WARNING WARNING The information in this maintenance procedure Be sure to follow the appropriate safety describes the following Motor Cutoff Switch precaution while handling any of the Assembly: equipment. Failure to do so may result in • 50756G03P... -
Page 8: Ch 2 Safety
SM-1500 Ch 2 Safety B. S Afety uidelineS Study this maintenance procedure and all other A. S ondition associated documentation before installing the undervoltage device. The information in Section A is quoted from NFPA 70E 2004 - Article 120, 120.1 Establishing an Each user has the responsibility to instruct Electrically Safe Work Condition. -
Page 9: G Eneral
DO pecific NOT FORCE THE PARTS INTO POSITION. 1. DO NOT WORK ON AN ENERGIZED CONTACT POWELL FOR INSTRUCTIONS. CIRCUIT BREAKER. If work must be performed on a circuit breaker, remove it from service and remove it from the metal-clad switchgear. -
Page 10: X-R Ays
SM-1500 e. X-r f. S Afety ABelS When high voltage is applied across the The equipment described in this document has DANGER, WARNING, CAUTION, and contacts of a vacuum interrupter, there is the possibility of generation of X-rays. The intensity instruction labels attached to various locations. -
Page 11: Ch 3 Equipment Description
Motor Cutoff Switch Assembly SM-1500 Ch 3 Equipment Description Figure 1 Motor Cutoff Switch Assembly A. G enerAl The motor cutoff switch assembly is located on the floor pan of the mechanism area just right of the main mechanism (Figure 2, a). -
Page 12: Ch 4 Installation
SM-1500 Ch 4 Installation b. Elevate and secure the circuit breaker so that there is at least 6 inches of clear A. r space below the base pan of the circuit emovinG the otor utoff Witch SSemBly breaker. nStAllinG the... -
Page 13: Installing The New Motor Cutoff Switch Assembly Into The Circuit Breaker
Motor Cutoff Switch Assembly SM-1500 Figure 4 Cut Tie Wrap Holding Wire Harness to 2) Installing the New Motor Cutoff Switch Motor Cutoff Switch Wires Assembly into the Circuit Breaker CAUTION CAUTION Ensure that the control circuits are deenergized and the circuit breaker is deenergized, disconnected by means of a visible break, and securely grounded. -
Page 14: Figure 6 Installing The Motor Cutoff Switch Assembly Onto The Circuit Breaker
SM-1500 Figure 6 Installing the Motor Cutoff Switch Figure 8 Tie Wrap Wire Harness Assembly onto the Circuit Breaker a. Tie Wrap a. 1⁄ 4 - 20 Star Nut (2) b. Operate the circuit breaker electrically b. 1⁄ 4 - 20 x 3⁄ 4 ” Hex Head Bolt (2) several times to ensure the switch c. - Page 15 Motor Cutoff Switch Assembly SM-1500 This page is intentionally left blank. Powered by Safety ® Courtesy of NationalSwitchgear.com...
- Page 16 SM-1500 Motor Cutoff Switch Assembly January 2009 Powered by Safety ® Powell Electrical Systems, Inc. Tel: 713.944.6900 • Fax: 713.948.4569 Service Division - Houston www.powellind.com Courtesy of NationalSwitchgear.com PO Box 12818 • Houston, TX • 77217 info@powellind.com ©2006 Powell Industries, Inc. • All rights reserved.
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