GEK-49861
The r e l a y r each s hou ld be w i th i n 5 % of
the value g i ve n by
equa t i on ( 1 ) if t h e amb i e n t t empe r a t u r e i s w i t h i n the r a t ed r a n g e of
- 2 0°C t o + 5 5°C .
SURGE WITHSTAND CAPABILITY
The s e r e lays wi l l w i t h s tand ANSI C 3 7 . 9 0A- 1 9 7 4 s u r g e t e s t w i thout
i nco r r e c t ope r a t i on o r damage to any componen t .
POWER SUPPLY
Mode l s are ava i lable w i t h r a t i ng s of 4 8 vol t s DC ( 3 8
t o 56
vol t s ) , 1 1 0 vol t s DC ( 8 8 to 1 2 0 vol t s ) , o r 1 2 5 vol t s DC ( 1 0 0 t o 1 4 0
vol t s ) .
The powe r suppl y conta i n s a DC- to-DC conve r t e r t o p r o v i de
i so l a t i o n between the DC i nput cont r o l powe r a nd the s o l i d s ta t e
c i r cu i t r y of the r e lay .
On r e lays w i t h DC con t r o l vol tage i n e x c e s s
of 1 2 5 vol t s, a n ext e r na l p r e - r egulator i s used .
Th i s r ed u c e s t h e
cont r o l vol tage
to 1 2 5 vol t s,
s u i table fo r
i npu t
t o t h e
r e l a y
t e rm i na l s .
CONTACTS
The t r ip con tac t s w i l l make and ca r r y 3 0 ampe r e s fo r t r i pp i ng
du t y .
The i r con t i nuou s cu r r en t r a t i ng s a r e l im i t ed by t h e t a r g e t
r a t i ng s a s l i s t ed i n Table II .
The MOB con t a c t s i n t ype SLY 8 1 B w i l l make and c a r r y con t i nuou s l y
t h r ee ampe r e s ( 3 amps ) .
The i n t e r r upt i ng r a t i ng s of both t ype s of con t a c t s a r e l i s t ed i n
Tab l e II .
TABLE II
INTERRUPTING RATINGS IN AMPERES OF OUTPUT CONTACTS
TRIP OUTPUT CONTACTS
MOB OUTPUT CONTACT
VOLTAGE
INDUCTIVEtt
NON-INDUCTIVE
INDUCTIVEtt
NON-INDUCTIVE
1 15 vol ts AC
0.75
2.0
0.3
0.8
230 vol ts AC
0.5
1.0
0.15
0.4
4
8
vol ts DC
1.0
3.0
0.4
2.0
125 vol ts DC
0.5
1.5
0.2
0.8
250 vol ts DC
0.25
0.75
0.1
0.4
tt
The i nduc t i ve r a t i ng s a r e based on an L/R r a t1o of 0 . 0 4 s econd .
TARGET
A t a r ge t s ea l - i n un i t w i t h 0 . 6 and 2 ampe r e taps i s p r o v i ded fo r
the output con t a c t be tween t e rm i n a l s 1 1, 1 2, a nd 1 3 .
A ta r g e t w i t h
t h e s ame t aps i s p r ov i ded fo r the con tact be tween t e rm i n a l s 1 4 and
1 8 .
The r a t i ng s of each of these t a r g e t s a r e g i ve n i n Tab l e III .
6
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