Page 45 - OT Switch

ABB SWITCH-DISCONNECTORS – HIGH PERFORMANCE, COMPACT SOLUTION
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 4 45 5

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Accessories for manual switch-disconnectors OT16...160

Technical data for auxiliary contacts

Performance data of auxiliary contacts according to IEC 60947-5-1 01

02
For OA1G_, OA2G_, OA3G_, OA8G_ For OA1G_, OA2G_, OA3G_, OA8G_
AC15 DC12 DC13 U i 690 V
P P
U e I e U e I e I e U imp 4 kV 03
V AC A VDC A W A W Pollution degree 3
230 6 24 10 240 2 50 Ith 16 A
400 4 72 4 290 0.8 60
415 4 125 2 250 0.55 70 Cable size 1...2 x 0.75...2.5 mm² 04
690 2 250 0.55 140 0.27 70 Maximum fuse 16 A / gG
440 0.1 44 NEMA A600, R300, wire size: 18 - 14 AWG, 1(2)

ON
Handle indications and functions
The handle indicates the position of the main contacts
of the switch with complete reliability in all situations.
If the contacts are welded together, the handle
does not reach the OFF-position but remains
between ON and OFF, maintaining the door
interlock and preventing padlocking.
ON

OFF OFF

ON and OFF-functions of main and auxiliary contacts

0˚ 30˚ 60˚ 90˚ α ON
Main contacts 1.
4. OFF
NO auxiliary contact 2.
5.
NC auxiliary contact 3.
6. α
OFF ON
O I
= Contacts in closed position 0 I S00491A
= 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