Distribution transformer having a primary disconnect switch

Details Distribution transformer having a primary disconnect switch Distribution transformer having a primary disconnect switch

1979-02-16

1982-04-13

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200145, 335 6, 337 6, H01H 3368, H01H 7500, H02H 704

Patent

active

043249612

ABSTRACT:
An oil-filled distribution transformer having a primary disconnect switch disposed within the housing and utilizing two movable bridging contacts and four stationary contacts for completing a series circuit therethrough. The switch includes a trip mechanism, a bimetal element isolated from the current path through the switch and responsive to the temperature of the oil to activate the trip mechanism upon overtemperature condition, and a float mechanism attached to the switch and cooperating with the trip mechanism so that the float assembly will activate the trip mechanism when the oil level within the housing drops below a predetermined value.

REFERENCES:
patent: 1783731 (1930-12-01), Leppert
patent: 2043530 (1936-06-01), Dezotell
patent: 2765383 (1956-10-01), Cooper et al.
patent: 3979704 (1976-09-01), Buckley et al.
patent: 3983454 (1976-09-01), Cotton et al.

Affiliated with

Also associated with

Rating

Distribution transformer having a primary disconnect switch does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Distribution transformer having a primary disconnect switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Distribution transformer having a primary disconnect switch will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1418611