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GE MVAX 12 Manuals
Manuals and User Guides for GE MVAX 12. We have
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GE MVAX 12 manual available for free PDF download: Technical Manual
GE MVAX 12 Technical Manual (38 pages)
Trip Circuit Supervision Relay
Brand:
GE
| Category:
Relays
| Size: 1.46 MB
Table of Contents
Table of Contents
13
1 Installation
15
General
15
Unpacking
15
Storage
15
Relay Mounting
15
2 Commissioning
16
General
16
Wiring
16
Insulation
16
Mvax
17
Electrical Operation Tests
17
MVAX 11 Only
17
MVAX 12 Only
17
MVAX 21 Only
18
MVAX 31 (MVAX 91 - 3 Separate MVAX 31'S in a Size 8 Case)
19
MVAX 31 04 Only
20
Mvax
21
MVAX 31 with CCT Breaker Closure Inhibit Contact
21
Mvax
22
3 Maintenance
23
4 Mechanical Settings
23
General
23
With the Armature Closed the Clearance between the Back of the Armature and the Back Stop Should be 0.075/0.2Mm (0.003"/0.008")
23
Nominal Armature Gap Open
23
Contact Settings
24
MVAX 11 (Unit RL 1 .)
24
MVAX 12, MVAX 21, 31 (Unit RL 1 .)
24
MVAX 21 (Unit RL 2 ), MVAX 31 (Units RL 2 and RL 3 )
24
Mechanical Flag Settings
24
Hand Reset Reverse Flags
24
Self Reset Reverse Flags
24
5 Problem Analysis
25
Failure to Operate/Reset
25
Output Contacts Not Changing State
25
Reset Time on MVAX 12 too Short
25
6 Spares
25
Repairs
25
Figure 1: Circuit and Application Diagram - Trip Supervision Relay
26
Figure 2: Supervision of Interposing Control Relay Type MVAW
27
Figure 3: Supervision of Tripping Relay Type MVAJ
27
Figure 4: Circuit Diagram - MVAX21 Trip Circuit Supervision Relay Without Preclosing
28
Supervision
28
Figure 5: Application Diagram - MVAX21 Trip Circuit Supervision Relay Without Preclosing
29
Supervision
29
Figure 6: Circuit Diagram - MVAX31 Trip Circuit Supervision Relay with Preclosing
30
Figure 7: Application Diagram - MVAX31 Trip Circuit Supervision Relay with Preclosing
31
Supervision
31
7 Commissioning Test Record
33
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