AC bushings type GOB

GOB is an oil-impregnated transformer bushing for oil-air application, for voltages from 52 to 300 kV with a maximum rated current of 1,250 A.

All models are equipped with a 2 kV test tap and the conductor arrangement can be either of draw lead or solid rod type. The GOB can be installed with an inclination of up to 45° from the vertical without any special precautions.

Product scope:

Voltage: 52 - 300 kV
Current: ≤ 1,250 A
Technology: Oil impregnated paper (OIP) with porcelain insulator

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Document title	ID
Product information
Technical guide	1ZSE 2750-102
Installation and maintenance guide	2750 515-12
GOB with valve connection on mounting flange	2750 516-11
General information
Ordering data form (.doc format) Please note that this is an interactive form, which can be filled in, saved and sent to us by e-mail.	1ZSC 2750-119
Bushing diagnosis and conditioning	2750 515-142
Bushing oil	2750 515-84
Dissipation factor over the main insulation on high voltage bushings	2750 515-150
Electrical routine testing of high voltage bushings	2750 515-148
Gaskets in ABB oil impregnated bushings	2152 4016-3
Seismic calculations on ABB bushings mounted on a transformer tank cover	2750 515-88
Epoxy jointed porcelain	2750 514-24

Pro/E models
Pro/E models (compressed zip file)

Dimension drawings - Bushings without oil level gauge
Type designation	Lightning impulse (kV)	Rated current (A)	Space for current transformer (m)	Bushing	Link to document
GOB 250 - 800 - 0	250	800	0	LF 123 013-K, -L	2751 369-109
				LF 123 013-M, -N	2751 369-110
GOB 250 - 800 - 0.3	250	800	0.3	LF 123 015-K, -L	2751 369-111
				LF 123 015-M, -N	2751 369-112
GOB 250 - 800 - 0.5	250	800	0.5	LF 123 083-K, -L	2751 369-113
				LF 123 083-M, -N	2751 369-114
GOB 250 - 1250 - 0	250	1250	0	LF 123 017-K, -L	2751 369-115
				LF 123 017-M, -N	2751 369-116
GOB 250 - 1250 - 0.3	250	1250	0.3	LF 123 019-K, -L	2751 369-117
				LF 123 019-M, -N	2751 369-118
GOB 250 - 1250 - 0.5	250	1250	0.5	LF 123 085-K, -L	2751 369-119
				LF 123 085-M, -N	2751 369-120
GOB 325 - 800 - 0	325	800	0	LF 123 025-K, -L	2751 369-121
				LF 123 025-M, -N	2751 369-122
GOB 325 - 800 - 0.3	325	800	0.3	LF 123 027-K, -L	2751 369-123
				LF 123 027-M, -N	2751 369-124
GOB 325 - 800 - 0.5	325	800	0.5	LF 123 089-K, -L	2751 369-125
				LF 123 089-M, -N	2751 369-126
GOB 380 - 800 - 0	380	800	0	LF 123 037-K, -L	2751 369-127
				LF 123 037-M, -N	2751 369-128
GOB 380 - 800 - 0.3	380	800	0.3	LF 123 039-K, -L	2751 369-129
				LF 123 039-M, -N	2751 369-130
GOB 380 - 800 - 0.5	380	800	0.5	LF 123 095-K, -L	2751 369-131
				LF 123 095-M, -N	2751 369-132
GOB 380 - 1250 - 0	380	1250	0	LF 123 041-K, -L	2751 369-133
				LF 123 041-M, -N	2751 369-134
GOB 380 - 1250 - 0.3	380	1250	0.3	LF 123 043-K, -L	2751 369-135
				LF 123 043-M, -N	2751 369-136
GOB 380 - 1250 - 0.5	380	1250	0.5	LF 123 097-K, -L	2751 369-137
				LF 123 097-M, -N	2751 369-138
GOB 450 - 800 - 0	450	800	0	LF 123 049-K, -L	2751 369-139
				LF 123 049-M, -N	2751 369-140
GOB 450 - 800 - 0.3	450	800	0.3	LF 123 051-K, -L	2751 369-141
				LF 123 051-M, -N	2751 369-142
GOB 450 - 800 - 0.5	450	800	0.5	LF 123 053-K, -L	2751 369-143
				LF 123 053-M, -N	2751 369-144
GOB 550 - 800 - 0.1	550	800	0.1	LF 123 061-K, -L	2751 369-145
				LF 123 061-M, -N	2751 369-146
GOB 550 - 800 - 0.3	550	800	0.3	LF 123 063-K, -L	2751 369-147
				LF 123 063-M, -N	2751 369-148
GOB 550 - 800 - 0.5	550	800	0.5	LF 123 107-K, -L	2751 369-149
				LF 123 107-M, -N	2751 369-150
GOB 550 - 1250 - 0.1	550	1250	0.1	LF 123 065-K, -L	2751 369-151
				LF 123 065-M, -N	2751 369-152
GOB 550 - 1250 - 0.3	550	1250	0.3	LF 123 067-K, -L	2751 369-153
				LF 123 067-M, -N	2751 369-154
GOB 550 - 1250 - 0.5	550	1250	0.5	LF 123 109-K, -L	2751 369-155
				LF 123 109-M, -N	2751 369-156
GOB 650 - 1250 - 0.15	650	1250	0.15	LF 123 073-K, -L	2751 369-157
				LF 123 073-M, -N	2751 369-158
GOB 650 - 1250 - 0.3	650	1250	0.3	LF 123 075-K, -L	2751 369-159
				LF 123 075-M, -N	2751 369-160
GOB 650 - 1250 - 0.5	650	1250	0.5	LF 123 113-K, -L	2751 369-161
				LF 123 113-M, -N	2751 369-162
GOB 750 - 1250 - 0.2	750	1250	0.2	LF 123 077-K, -L	2751 369-163
				LF 123 077-M, -N	2751 369-164
GOB 750 - 1250 - 0.3	750	1250	0.3	LF 123 078-K, -L	2751 369-165
				LF 123 078-M, -N	2751 369-166
GOB 750 - 1250 - 0.5	750	1250	0.5	LF 123 079-K, -L	2751 369-167
				LF 123 079-M, -N	2751 369-168

Dimension drawings - Bushings with oil level gauge
Type designation	Lightning impulse (kV)	Rated current (A)	Space for current transformer (m)	Bushing	Link to document
GOB 250 - 800 - 0	250	800	0	LF 123 171-K, -L	2751 369-169
				LF 123 171-M, -N	2751 369-170
GOB 250 - 800 - 0.3	250	800	0.3	LF 123 173-K, -L	2751 369-171
				LF 123 173-M, -N	2751 369-172
GOB 250 - 800 - 0.5	250	800	0.5	LF 123 175-K, -L	2751 369-173
				LF 123 175-M, -N	2751 369-174
GOB 250 - 1250 - 0	250	1250	0	LF 123 167-K, -L	2751 369-175
				LF 123 167-M, -N	2751 369-176
GOB 250 - 1250 - 0.3	250	1250	0.3	LF 123 168-K, -L	2751 369-177
				LF 123 168-M, -N	2751 369-178
GOB 250 - 1250 - 0.5	250	1250	0.5	LF 123 169-K, -L	2751 369-179
				LF 123 169-M, -N	2751 369-180
GOB 325 - 800 - 0	325	800	0	LF 123 177-K, -L	2751 369-181
				LF 123 177-M, -N	2751 369-182
GOB 325 - 800 - 0.3	325	800	0.3	LF 123 179-K, -L	2751 369-183
				LF 123 179-M, -N	2751 369-184
GOB 325 - 800 - 0.5	325	800	0.5	LF 123 181-K, -L	2751 369-185
				LF 123 181-M, -N	2751 369-186
GOB 380 - 800 - 0	380	800	0	LF 123 183-K, -L	2751 369-187
				LF 123 183-M, -N	2751 369-188
GOB 380 - 800 - 0.3	380	800	0.3	LF 123 185-K, -L	2751 369-189
				LF 123 185-M, -N	2751 369-190
GOB 380 - 800 - 0.5	380	800	0.5	LF 123 187-K, -L	2751 369-191
				LF 123 187-M, -N	2751 369-192
GOB 380 - 1250 - 0	380	1250	0	LF 123 101-K, -L	2751 369-193
				LF 123 101-M, -N	2751 369-194
GOB 380 - 1250 - 0.3	380	1250	0.3	LF 123 102-K, -L	2751 369-195
				LF 123 102-M, -N	2751 369-196
GOB 380 - 1250 - 0.5	380	1250	0.5	LF 123 103-K, -L	2751 369-197
				LF 123 103-M, -N	2751 369-198
GOB 450 - 800 - 0	450	800	0	LF 123 145-K, -L	2751 369-199
				LF 123 145-M, -N	2751 369-200
GOB 450 - 800 - 0.3	450	800	0.3	LF 123 147-K, -L	2751 369-201
				LF 123 147-M, -N	2751 369-202
GOB 450 - 800 - 0.5	450	800	0.5	LF 123 149-K, -L	2751 369-203
				LF 123 149-M, -N	2751 369-204
GOB 550 - 800 - 0.1	550	800	0.1	LF 123 189-K, -L	2751 369-205
				LF 123 189-M, -N	2751 369-206
GOB 550 - 800 - 0.3	550	800	0.3	LF 123 190-K, -L	2751 369-207
				LF 123 190-M, -N	2751 369-208
GOB 550 - 800 - 0.5	550	800	0.5	LF 123 191-K, -L	2751 369-209
				LF 123 191-M, -N	2751 369-210
GOB 550 - 1250 - 0.1	550	1250	0.1	LF 123 142-K, -L	2751 369-211
				LF 123 142-M, -N	2751 369-212
GOB 550 - 1250 - 0.3	550	1250	0.3	LF 123 143-K, -L	2751 369-213
				LF 123 143-M, -N	2751 369-214
GOB 550 - 1250 - 0.5	550	1250	0.5	LF 123 144-K, -L	2751 369-215
				LF 123 144-M, -N	2751 369-216
GOB 650 - 1250 - 0.15	650	1250	0.15	LF 123 192-K, -L	2751 369-217
				LF 123 192-M, -N	2751 369-218
GOB 650 - 1250 - 0.3	650	1250	0.3	LF 123 193-K, -L	2751 369-219
				LF 123 193-M, -N	2751 369-220
GOB 650 - 1250 - 0.5	650	1250	0.5	LF 123 194-K, -L	2751 369-221
				LF 123 194-M, -N	2751 369-222
GOB 750 - 1250 - 0.2	750	1250	0.2	LF 123 104-K, -L	2751 369-223
				LF 123 104-M, -N	2751 369-224
GOB 750 - 1250 - 0.3	750	1250	0.3	LF 123 105-K, -L	2751 369-225
				LF 123 105-M, -N	2751 369-226
GOB 750 - 1250 - 0.5	750	1250	0.5	LF 123 106-K, -L	2751 369-227
				LF 123 106-M, -N	2751 369-228

Dimension drawings - Bushings GOB 1050
Type designation	Lightning impulse (kV)	Rated current (A)	Space for current transformer (m)	Bushing	Link to document
GOB 1050 - 750 - 1100 - 0.3	1050	1100	0.3	LF 123 281-K, -L	2751 400-8
GOB 1050 - 750 - 1100 - 0.6	1050	1100	0.6	LF 123 280-K, -L	2751 400-7

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AC bushings type GOB

Product scope:

Get to know more

Catalogs and instructions

Pro/E models

Dimension drawings - Bushings without oil level gauge

Dimension drawings - Bushings with oil level gauge

Dimension drawings - Bushings GOB 1050

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