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LAF-600A
Siemens-Allis LAF-600A Circuit Breaker Manuals
Manuals and User Guides for Siemens-Allis LAF-600A Circuit Breaker. We have
2
Siemens-Allis LAF-600A Circuit Breaker manuals available for free PDF download: Instructions Manual
Siemens-Allis LAF-600A Instructions Manual (34 pages)
Switchgear
Brand:
Siemens-Allis
| Category:
Industrial Equipment
| Size: 1 MB
Table of Contents
Table of Contents
2
Warranty
3
Typical Shipping Method Used with "LA" Breakers
3
Typical LA·600A and la
3
Fused Unfused Breakers with Static Trip II and Limitrip Overcurrent Trip Devices
4
Figure 11. LAF-600A, LAF-800A and LAF·1600A Open Fuse Trip Device, Trigger Fuse Assembly
4
Receiving and Inspection for Damage
5
Installation Sequence Cautions to be Observed in Installation and Operation
6
Operation
6
Description
6
Table 1. Circuit Breaker Ratings at 60 Hertz
7
(A) Manually Operated Circuit Breakers
8
(B) Electrically Operated Circuit Breakers
8
Table 4. Operating Procedure - Electrically Operated Breakers
8
LA-600A, LA·800A and LA-1600A Operator
9
Figure 2. Typical Wiring Diagram - Electrically Operated Breakers
10
(C) Combination E. O. Circuit Breakers
11
Drawout Interlock
11
Racking Mechanism
11
Figure Detail of Typical Racking Mechanism and Drawout Interlock
11
Spring Discharge Interlock
12
Figure 3A. Typical Racking Mechanism and Drawout Interlock
12
Lifting Bar
13
Handling Instructions
13
Maintenance and Adjustments
14
Maintenance
14
Maintenance Closing
16
Operated
17
Maintenance Closing
17
Table 5. Maintenance Closing
17
Adjustments
18
Trip-Latch Engagement
18
Main Contact Make
19
Arcing Contact Make
19
Figure 8. Contact Assembly
19
Contact Replacement
20
Main Contact Finger
20
Hinge Contact Fingers
20
Movable Arching and Main Contact
20
Stationary Arcing Contact
20
Tripping Actuator
20
Motor Cutoff Switch
21
Fuse Functions
22
Current Limiting Fuses
22
Fuse Attachment Group LAF-600A, LAF·800A Breakers
23
Open Fuse Trip Device
25
Accessories
26
Current Sensors
26
Tripping Transformers- Static Trip II
26
Table Operating Procedure - Manually Table 7. Umitrip Rating Table- Amperes
26
Secondary Disconnect Assembly Option
27
Optional Devices
27
Figure 12. LA·600A, LA·800A and LA-1600A Secondary Disconnect Group
27
Auxiliary Switch Option
28
Auxiliary Switch Option Shunt Trip Option
29
Undervoltage Trip Device Option
29
Shunt Trip Option
29
Static Trip Option
29
Figure 14. Undervoltage Trip with or Without Time Delay
29
Figure 15. LA·600A, LA·800A and LA-1600A Shunt Trip Group
29
Lubrication
30
Lubrication Instructions
30
Bell Alarm Switch Option
30
Alarm Switch Group, Bell Alarm
30
Figure 18. Lubrication Points on Breaker
32
Instruction Book References
34
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Siemens-Allis LAF-600A Instructions Manual (33 pages)
LOW -VOLTAGE AC POWER CIRCUIT BREAKERS
Brand:
Siemens-Allis
| Category:
Circuit breakers
| Size: 1 MB
Table of Contents
Table of Contents
2
Circuit Breakers
5
Electrically Operated Circuit Breakers
8
Eo Hertz
8
Drawout Interlock
11
Racking Mechanism
11
Typical Rac:t;Idl Mecbanlun and Drlwout Intertock
12
Handling Instructions
13
Lifting Bar
13
Maintenance
14
Typical LA·1600A Breaker Ouuine
14
Maintenance and Adjustments
14
Lubrication
15
Typical LA·600A and LA-800A Breaker Outline
15
Maintenance Closing
16
Maldtenuce Ck"II.q
16
Taintenanee Cloain
17
Adjustments
18
Trip· Latch Engagement
18
Typical Operator Assembly
18
Main Contact Make
19
Arelnl Contact Make
19
Contact
19
Fuse Attachment Group LAF·600A, LAF·800A Breaken
23
Fuse Attachment Group LAF·1600A Breaker
24
Fuse Aaaembly
25
Ope
25
Stau. Tdp II Iiitiai Table - Ampe
26
Optional Devices
27
Secondary Disconnect Assembly Option
27
LAF·600A, LAF-800Aand LAF·I600A Open Fuse Trip Device, Trtger LA-600A, LA·800A and LA·I600A Sec:onduy Disconned Group
28
Auxiliary Switch Option
28
LA-600A. LA·800A and La·l600A Auxiliary Swltcb Group
28
LA-600A. LA-800A Add La·l600A Shunt Trip Group
29
Time Delay
29
Underyoltq:e Trip Device Option
29
Alum
30
Lubrication Instructions
30
Stllic Tr1P Option Bell Alarm Switch Option
30
Alarm Swlteb Group, Bell Lubrication Chart
31
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