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SM-1100 Auxiliary Switch Assembly

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Summary of Contents for SM-1100

Page 1: ...SM 1100 Auxiliary Switch Assembly Powered by Safety ...

Page 2: ...fety Auxiliary Switch Assembly SM 1100 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 ...

Page 3: ...ted in ANSI Z535 4 2002 4 13 4 13 3 as a signal word but used in this manual is IMPORTANT This is defined as IMPORTANT indicates a section of the manual covering a non hazardous situation but one where Powell feels proper attention is warranted IMPORTANT IMPORTANT Qualified Person For the purposes of this manual a qualified person as stated in NFPA 70 is one familiar with the construction and oper...

Page 4: ...nter Linkage 8 Ch 1 General Information 1 A Scope 2 B Purpose 2 Ch 2 Safety 3 A Safe Work Condition 3 B Safety Guidelines 3 C General 4 D Specific 4 E X Rays 5 F Safety Labels 5 Ch 3 Equipment Description 6 A General 6 Ch 4 Installation 7 A Removing the Old Auxiliary Switch Assembly and Installing the Replacement Auxiliary Switch Assembly 7 1 Removing the Old Auxiliary Switch Assembly 7 2 Installi...

Page 5: ...Powered by Safety ii Auxiliary Switch Assembly SM 1100 This page is intentionally left blank ...

Page 6: ...on and maintenance by knowledgeable users of such equipment having experience and training in the field of high voltage electricity 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 WARNING WARNING Before any adjustment serv...

Page 7: ... and placing the auxiliary switch into service 3 Illustrations photographs and description of the auxiliary switch assembly The illustrations contained in this document may not represent the exact construction details of each particular type of auxiliary switch assembly The illustrations in this document are provided as general information to aid in showing component locations only All photos and ...

Page 8: ... detector is operating satisfactorily 6 Where the possibility of induced voltages or stored electrical energy exists ground the phase conductors or circuit parts before touching them Where it could be reasonably anticipated that the conductors or circuit parts being deenergized could contact other exposed energized conductors or circuit parts apply ground connecting devices rated for the available...

Page 9: ...ervice and remove it from the metal clad switchgear 2 DO NOT WORK ON A CIRCUIT BREAKER WITH THE CONTROL CIRCUIT ENERGIZED 3 EXTREME CARE MUST BE EXERCISED TO KEEP ALL PERSONNEL TOOLS AND OTHER OBJECTS CLEAR OF MECHANISMS WHICH ARE TO BE OPERATED DISCHARGED OR RELEASED These circuit breakers utilize stored energy mechanisms These mechanisms must be serviced only by skilled and knowledgeable personn...

Page 10: ...errupters and that the test personnel be no closer than one meter 3 from the front of the circuit breaker THE CIRCUIT BREAKER SHALL BE EITHER FULLY OPEN OR FULLY CLOSED WHEN MAKING HIGH POTENTIAL TESTS DO NOT TEST WITH CONTACTS PARTIALLY OPEN F Safety Labels The equipment described in this document has DANGER WARNING CAUTION and instruction labels attached to various locations All equipment DANGER...

Page 11: ...eenergized disconnected by means of a visible break and securely grounded Do NOT start to work on a closed circuit breaker or a circuit breaker with the main closing spring charged You should have the following when receiving the auxiliary switch assembly Auxiliary Switch Assembly Use existing hardware when replacing Auxiliary Switch Assembly 10 32 x 1 2 Round Head Machine Screw 2 10 32 Star Nut 2...

Page 12: ... Figure 2 Auxiliary Switch Assembly Installed a Operations Counter b Auxiliary Switch c Mounting Bracket a b c b Remove the E ring Figure 3 b securing the switch operating arm to the operations counter linkage Figure 3 E Ring Removal a Odd numbered terminals b E Ring a b c Remove the two 10 32 x 1 2 R H Machine Screws holding the auxiliary switch to its mounting bracket and remove the switch Figur...

Page 13: ...the wires are connected to the same terminals from which they were removed Note It is important to note that when removing and replacing the auxiliary switch that the position of the switch will always be with the odd numbered terminals facing up as shown in Figure 3 Figure 6 Installing Auxiliary Switch a b a 10 32 x 1 2 R H Machine Screw b 10 32 Star Nut b Insert the operating arm Figure 7 a of t...

Page 14: ...ly and Installing the Replacement Auxiliary Switch Assembly 1 Removing the Old Auxiliary Switch Assembly Step b Figure 8 Reconnecting Wires to Auxiliary Switch d Verify the auxiliary spare contacts are wired in accordance with the original circuit breaker diagram e Operate the circuit breaker electrically several times to ensure the switch functions properly f Replace the front cover ...

Page 15: ...Powered by Safety 10 Auxiliary Switch Assembly SM 1100 This page is intentionally left blank ...

Page 16: ...al Systems Inc Service Division Houston PO Box 12818 Houston TX 77217 Tel 713 944 6900 Fax 713 948 4569 www powellind com info powellind com 2006 Powell Industries Inc All rights reserved SM 1100 Auxiliary Switch Assembly January 2009 ...

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