Operating Mechanisms, Disconnect Switches, and Door ... - Square D
Operating Mechanisms, Disconnect Switches, and Door ... - Square D
Operating Mechanisms, Disconnect Switches, and Door ... - Square D
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Class 9421 Devices<br />
12<br />
Panel Drilling for FAL, FCL, FHL<br />
Circuit Breakers <strong>and</strong> <strong>Operating</strong> <strong>Mechanisms</strong><br />
Panel Drilling for KAL, KCL, KHL<br />
Circuit Breakers <strong>and</strong> <strong>Operating</strong> <strong>Mechanisms</strong><br />
Electrical Interlock Location – FA, KA<br />
Dimensions for FAL, FCL, FHL, KAL, KCL, KHL<br />
Circuit Breakers <strong>and</strong> Circuit Interrupters<br />
Determination of Shaft Length<br />
Class Type<br />
j Mounting depth measured from circuit breaker mounting surface (control panel) to outside of enclosure door.<br />
Dimensions for LAL, LHL, Q4L<br />
Circuit Breakers <strong>and</strong> Circuit Interrupters<br />
Determination of Shaft Length<br />
j Mounting depth measured from circuit breaker mounting surface (control panel) to outside of enclosure door.<br />
© 1997 <strong>Square</strong> D All Rights Reserved<br />
Shaft Length<br />
Formula<br />
9421 LF1, LN1, LN3, LN4 L = H – 2.88 (73)<br />
LK1, LP1, LP3, LP4 L = H – 3.63 (92)<br />
Class Type<br />
Shaft Length<br />
Formula<br />
9421 LL1, LR1, LR4 L = H – 3.13 (79)<br />
St<strong>and</strong>ard Shaft Long Shaft<br />
Min Max Min. Max.<br />
5.5<br />
(140)<br />
6.25<br />
(159)<br />
10.44<br />
(265)<br />
11.19<br />
(284)<br />
5.5<br />
(140)<br />
6.25<br />
(159)<br />
12/97<br />
21.00<br />
(533)<br />
21.75<br />
(552)<br />
St<strong>and</strong>ard Shaft Long Shaft<br />
Min Max Min. Max.<br />
6.31<br />
(160)<br />
10.88<br />
(276)<br />
6.31<br />
(160)<br />
21.50<br />
(546)
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