Page 135 - OT Switch

ABB S W I T C H - D I S C O N N E C T O R S – H I G H P E R F OR M A NC E, C OM P A C T S OL UT I ON 1 135 5
ABB SWITCH-DISCONNECTORS – HIGH PERFORMANCE, COMPACT SOLUTION
3

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Accessories for manual switch-disconnectors OT160...4000

Technical data for auxiliary contacts

ON and OFF-functions of main and auxiliary contacts 01

02
0˚ 30˚ 60˚ 90˚ α ON

Main contacts 1. OFF 03
4.
NO auxiliary contact 2.
5.
NC auxiliary contact 3. 04
6. α
OFF ON
O I S00491A
= Contacts in closed position 0 I
= Contacts in closed position 0 I

Closing: Opening:
1. Main contacts close 4. Main contacts open
2. NO auxiliary contacts close 5. NO auxiliary contacts open
3. NC auxiliary contacts open 6. NC auxiliary contacts close

ON and OFF-functions of main and auxiliary contacts OT160EV...4000

-45˚ 0˚ 30˚ 60˚ 90˚ α
Main contacts Contact Contact configuration
OA1G10 1NO
OA3G01 1NC
NO test contacts
inside the mechanism
NO early operation test
contacts inside the
mechanism 1)
NC test contacts inside
the mechanism
NC early operation test
contacts inside the
mechanism 1)
NO test indication
contacts inside the
mechanism
NC test indication
contacts inside the
mechanism

NO auxiliary contacts in
the module on the side
of the switch
NC auxiliary contacts in
the module on the side
of the switch
Test OFF ON
O I
(1) OT1000...4000 only