Basler Electric BE1-50/51B User Manual

Page 28

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BE1-50/51B Controls and Indicators

9252000991 Rev R

Locator Control or Indicator

Function

SW3-1

SW3-1 selects the system operating frequency. Opening SW3-1

(OFF) selects 60 hertz operation. Closing SW3-1 (ON) selects 50

hertz operation.

SW3-2

SW3-2 selects additional delay for the instantaneous element.

Closing SW3-2 (ON) provides an additional instantaneous delay of

0.1 seconds.

SW3-3

Closing SW3-3 (ON) provides an additional instantaneous delay of

0.2 seconds. Closing both SW3-2 (ON) and SW3-3 (ON) provides

an additional instantaneous delay of 0.3 seconds.

100 Series Relays

Opening SW3-3 (OFF) selects ABB type curves (refer to Table 1-

3.) Closing SW3-3 (ON) selects GE IAC type curves (refer to

Table 1-4).

200 Series Relays

SW3-4

SW3-4 provides selection of either instantaneous or integrating

reset characteristics. Closing SW3-4 (ON) selects integrating reset

characteristics. Opening SW3-4 (OFF) selects instantaneous reset

characteristics. See Section 1, General Information,

Specifications, for details on time reset.

Auxiliary Output

Jumper Terminations

Configures the auxiliary output contacts to close with either the

instantaneous (50) trip and/or the timed (51) trip.
Jumper E2 to E1A to close the auxiliary contact with the timed (51)

trip. This jumper is yellow and factory installed to close the

auxiliary output contacts with the timed trip.
Jumper E3 to E1B to close the auxiliary contact with the

instantaneous (50) trip. This jumper is blue and factory installed to

close the auxiliary output contacts with the instantaneous trip.
Users with unit revision R and previous in units 9252000100

through 109, refer to Section 6 for the location of the auxiliary

output jumper terminations.
Users with BE1-50/51B unit revisions Q, R, and S in 100 series

relays and unit revisions H and previous in 200 series relays, refer

to Section 6 for the location of the auxiliary output jumper

terminations and the location of SW3. (Note: In all previous

revisions, the reference designator for SW3 was SW8.)