I-T-E Mechanical Interlock (M15404)
31
Support Tie Bar Mounting
A.
With 9-in. long tie bar wrench (8) supplied (Figures 2 and
3) positioned around left pole tie bar connector (9), pull tie
bar connector back in direction of arrow (away from trip
unit) and drop safety wood block (10) with 1-in. dimen-
sion into gap between tie bar connector and trip unit on
right pole. Wood block should come to rest snugly on the
two socket head cap screws as shown in Figure 4.
Remove wrench.
Securing Tie Bar Connector
B.
Two sets of plungers are provided. Select proper length
of plunger (11 ) (Figures 2 and 3) for desired application
and discard the pair of plungers not used. Position
support tie bar assembly from top and insert plunger
through rectangular opening in base from bottom of
base. Tie bar member (12) must fit around tie bar connec-
tor (Figure 3). It may be necessary to gently tap tie bar
member down to achieve snug fit.
Position of Link Assembly
C.
Plunger locator pin (13) (Figure 3) of link assembly should
face toward outer edge of breaker and must engage hole
in plunger Once this engagement is achieved, tighten two
5/16-18 socket head cap screws (14) to 140 in. Ib.
(Figure 2).
NOTE: Plunger is installed only on left hand pole of each circuit
breaker.
Figure 2
Figure 3
Figure 4
Содержание I-T-E Sensitrip MD Series
Страница 2: ......
Страница 6: ...4 I T E Sensitrip Digital Circuit Breaker MD and ND Frame Outline Drawings 1 3 Pole ...
Страница 8: ...6 MD and ND Frame Trip Adjustments ...
Страница 12: ...10 MD and ND Frame Time Current Curve 600 1000A With Short Time Delay Set on Fixed Time ...
Страница 13: ...MD and ND Frame Time Current Curve 11 1200A With Short Time Delay Set on Fixed Time ...
Страница 14: ...12 MD and ND Frame Time Current Curve 600 100A With Short Time Delay Set on I2 t ...
Страница 15: ...MD and ND Frame Time Current Curve 13 1200A With Short Time Delay Set on I2 t ...
Страница 16: ...14 MD and ND Frame Time Current Curve 600 100A Without Short Time Settings ...
Страница 17: ...MD and ND Frame Time Current Curve 15 1200A Without Short Time Settings ...
Страница 18: ...16 MD and ND Frame Time Current Curve Ground Fault Trip Data ...
Страница 19: ...MD and ND Frame Time Current Curve 17 Example ...
Страница 20: ...18 MD and ND Frame Let Thru Curves ...
Страница 31: ...Installation Diagrams 29 ...
Страница 35: ...I T E Mechanical Interlock M15404 33 Figure 7 ...
Страница 41: ...Installation Diagrams 39 ...
Страница 49: ...Installation Diagrams 47 ...
Страница 50: ...48 I T E Panelboard Connecting Straps 1 ...
Страница 53: ...Installation Diagrams 51 ...