Page 17
4.4.2
Relay types MVAJ10, MVAJ20
Standard
Following
Units
flag
flag
Standard armature gap
1.5 to 1.4
1.5 to 1.25
mm
Make
Follow through – just closed
0.5
0.5
mm
– just open
0.6
0.6
mm
Force to make
26 to 29
20 to 25
grammes
Force to make
30 to 35
25 to 30
grammes
(when less than 4 make)
Break
Contact gaps
1.25 to 1.5
1.25 to 1.5
mm
Force to break
26 to 29
20 to 25
grammes
Break
Cut off contact (bottom right-hand viewed from front)
Force to break
25 to 30
20 to 25
grammes
Contact gap measured
0.4 to 0.6
0.4 to 0.6
mm
at the armature centre
Section 5. SPARES
When ordering spares, quote the full relay model number and any component
reference numbers, or briefly describe the part required.
5.1
Repairs
Should the need arise for the equipment to be returned to A
REVA
T&D
for repair, then
the form at the back of this manual should be
completed and sent with the equipment
together with a copy of any commissioning
test results.
Summary of Contents for MVAJ05
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