GE MVAX 11, Technical Manual

Page: 13 / 38

Service Manual R8010
R
B
MVAX Page 3/24
CONTENTS
1. INSTALLATION 5
1.1 General
5
1.2 Unpacking
5
1.3 Storage
5
1.4 Relay mounting
5
2. COMMISSIONING 6
2.1 General
6
2.2 Wiring
6
2.3 Insulation
6
2.4 MVAX 11
6
2.5 MVAX 12
6
2.6 MVAX 21, 31, 91
7
2.7 Electrical operation tests
7
2.7.1 MVAX 11 only
7
2.7.2 MVAX 12 only
7
2.7.3 MVAX 21 only
8
2.7.4 MVAX 31 (MVAX 91 – 3 separate MVAX 31’s in a size 8 case)
9
2.7.5 MVAX 31 04 only
10
2.7.6 MVAX 31 with CCT breaker closure inhibit contact
11
3. MAINTENANCE 13
4. MECHANICAL SETTINGS 13
4.1 General
13
4.1.1 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").
13
4.1.2 Nominal armature gap open.
13
4.2 Contact settings
14
4.2.1 MVAX 11 (Unit RL
1
.)
14
4.2.2 MVAX 12, MVAX 21, 31 (Unit RL
1
.)
14
4.2.3 MVAX 21 (Unit RL
2
), MVAX 31 (Units RL
2
and RL
3
)
14
4.3 Mechanical flag settings
14