Siemens-Allis LA3000A Manuals

Manuals and User Guides for Siemens-Allis LA3000A. We have 1 Siemens-Allis LA3000A manual available for free PDF download: Instructions Manual

Siemens-Allis LA3000A Instructions Manual

Siemens-Allis LA3000A Instructions Manual (25 pages)

Unfused Air Circuit Breakers with Manual or Electrical Operators

Brand: Siemens-Allis | Category: Circuit breakers | Size: 1 MB

Table of Contents

Table of Contents
2
Warranty
3
Installation and Inspection
4
- Receiving and Inspection for Damage
  4
- Installation
  4
- Storage
  4
- Maintenance
  5
Operation
6
Maintenance and Adjustments
9
- Maintenance
  9
- Lubrication
  9
- Maintenance Closing
  9
Maintenance Closing
10
- Adjustments
  10
  - Trip-Latch Engagement
    10
  - Main Contact Make
    10
  - Table 3 Maintenance Closing
    10
- Lifting Bar & Rail Extensions
  11
  - Arcing Contact Make
    11
- Contact Replacement
  11
  - Main Contact Fingers
    11
  - Stationary Arcing Contact
    11
  - Hinge Contact Fingers
    11
  - Moving Arcing and Main Contact
    11
  - Tripping Actuator
    11
- Motor Cutoff Switch
  12
- Shunt Trip Option
  14
- Current Sensors
  14
- Bell Alarm Switch Option
  14
- Static Trip Option
  15
- Umitrip
  15
- Table 4 Trip Rating Table - Amperes
  15
Fig. 1 Tyoical LA-30Ada Breaker Outline
16
Fig.2 T,,;,Ical LA-3000A-4000A Operator
17
Typical Wiring Diagram - Electrically Operated Breakers
18
Typical Racking Mechanism and
19
- Handling Instruction
  20
Fig.6 Typical Panel Assembly
22
Fig.7 Secondary Disconnect
22
Fig.8 Auxiliary Switch
22
Shunt Trip
22
- Lubricating Instructions
  24
- Instruction Book Ref
  25
  - Limitrip
    25

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