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DOCEN copper, aluminium, and bimetal electrical fitting range

product families

03-23

catalog pages covered

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Search a model code like DTL, SC(JGB), GTL, CCT, OT, JBC, or filter by material. Open each technical sheet for the exact dimensions from the PDF.

GTLConnecting tubesCatalog page 15

GTL copper-aluminium connecting tube, oil-seal type

GTL 系列铜铝连接管（堵油型）

Material: T2 copper + L3 aluminium
Range: 16-500 mm²
Models: GTL-16 to GTL-500

Application

Connects circular wire and semicircle-sector wire in distribution equipment or power supply cables.

Technical details

Copper-aluminium bimetal connecting tube.
Catalog table includes D, d, D1, d1, L1, L2, and L dimensions.
Friction-welding craft stated in catalog.

Specification table

Model & Spec	D	d	D1	d1	L1	L2	L
GTL-16	11	6.1	9	5.2	30	25	70
GTL-25	12	7.1	10	6.1	33	27	75
GTL-35	14	8.5	11	7.1	40	30	85
GTL-50	16	9.8	13	8.5	42	32	95
GTL-70	18	11.5	15	9.8	46	38	105
GTL-95	21	13.5	17	11.5	50	40	110
GTL-120	23	15	19	13.5	55	42	112
GTL-150	25	17	21	15	55	44	118
GTL-185	27	18.6	23	17	58	46	125
GTL-240	30	21.5	26	18.6	60	54	130
GTL-300	34	24	28	21.5	66	56	145
GTL-400	38	27	30	24	70	60	155
GTL-500	45	30	34	27	75	65	165

Dimensions are rebuilt from the DOCEN PDF catalog for quick sourcing.

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GT oil sealConnecting tubesCatalog page 15

GT copper connecting tube, oil-seal type

GT 系列铜连接管（堵油型）

Material: Copper
Range: 16-400 mm²
Models: GT-2-16 to GT-2-400

Application

Copper connecting tube for model wires and cable-to-cable connection.

Technical details

Oil-seal connecting tube form.
Catalog table includes D, d, L1, and L dimensions.
Copper tube body for cable joint applications.

Specification table

Model & Spec	D	d	L1	L
GT-2-16	10	6.1	30	65
GT-2-25	11	7.1	32	70
GT-2-35	12	8.5	34	75
GT-2-50	14	9.8	36	80
GT-2-70	16	11.5	42	90
GT-2-95	18	13.5	44	95
GT-2-120	20	15	47	100
GT-2-150	22	17	49	105
GT-2-185	25	18.6	50	110
GT-2-240	27	21.5	55	120
GT-2-300	31	24	60	130
GT-2-400	34	27	65	140

Dimensions are rebuilt from the DOCEN PDF catalog for quick sourcing.

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GL oil sealConnecting tubesCatalog page 16

GL aluminium connecting tube, oil-seal type

GL 系列铝连接管（堵油型）

Material: Aluminium
Range: 16-400 mm²
Models: GL-2-16 to GL-2-400

Application

Aluminium connecting tube for aluminium cable jointing.

Technical details

Oil-seal aluminium connecting tube.
Catalog table includes D, d, L1, and L dimensions.
L3 aluminium noted in catalog for GL series use.

Specification table

Model & Spec	D	d	L1	L
GL-2-16	11	6.1	30	70
GL-2-25	12	7.1	32	75
GL-2-35	14	8.5	37	85
GL-2-50	16	9.8	43	95
GL-2-70	18	11.5	47	105
GL-2-95	21	13.5	50	110
GL-2-120	23	15	53	115
GL-2-150	25	17	55	120
GL-2-185	27	18.6	57	125
GL-2-240	30	21.5	60	130
GL-2-300	34	24	65	140
GL-2-400	38	27	70	160

Dimensions are rebuilt from the DOCEN PDF catalog for quick sourcing.

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GT passing throughConnecting tubesCatalog page 16

GT copper connecting tube, passing-through type

GT 系列铜连接管（通孔型）

Material: Copper
Range: 1.5-1000 mm²
Models: GT-1-1.5 to GT-1-1000

Application

Passing-through copper tube for circular wire and cable connections.

Technical details

Through-hole copper connecting tube.
Catalog table includes D, d, and L dimensions.
Made from copper tube according to catalog text.

Specification table

Model & Spec	D	d	L
GT-1-1.5	3.5	2.5	28
GT-1-2.5	4	3	30
GT-1-4	5	3.4	35
GT-1-6	6	4.4	40
GT-1-10	8	5	52
GT-1-16	9	6	56
GT-1-25	10	7	60
GT-1-35	11	8.4	65
GT-1-50	13	10	73
GT-1-70	16	12	80
GT-1-95	18	14	85
GT-1-120	19	15	93
GT-1-150	22	17	100
GT-1-185	24	19	105
GT-1-240	26	21	110
GT-1-300	31	24	120
GT-1-400	34	26	135
GT-1-500	38	30	150
GT-1-630	45	35	170
GT-1-800	50	40	225
GT-1-1000	55	45	250

Dimensions are rebuilt from the DOCEN PDF catalog for quick sourcing.

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GL passing throughConnecting tubesCatalog page 17

GL aluminium connecting tube, passing-through type

GL 系列铝连接管（通孔型）

Material: Aluminium
Range: 10-630 mm²
Models: GL-1-10 to GL-1-630

Application

Aluminium passing-through tube for distribution equipment and cable connection.

Technical details

Through-hole aluminium connecting tube.
Catalog table includes D, d, and L dimensions.
L3 aluminium noted in catalog for GL series use.

Specification table

Model & Spec	D	d	L
GL-1-10	9	5	60
GL-1-16	10	6	65
GL-1-25	12	7	70
GL-1-35	14	9	75
GL-1-50	16	10	80
GL-1-70	18	12	90
GL-1-95	21	14	95
GL-1-120	23	15	100
GL-1-150	25	17	105
GL-1-185	27	19	110
GL-1-240	30	21	120
GL-1-300	34	24	130
GL-1-400	37	27	150
GL-1-500	40	29	170
GL-1-630	48	36	185

Dimensions are rebuilt from the DOCEN PDF catalog for quick sourcing.

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GTYConnecting tubesCatalog page 18

GTY introduction copper connecting tube

GTY 系列铜接线管

Material: T2 copper, tin plated
Range: 1.5-1000 mm²
Models: GTY-1.5 to GTY-1000

Application

Copper connecting tube for circular wire and power supply cable connection.

Technical details

Introduction copper tube form.
Catalog table includes D, d, and L dimensions.
Made of high-purity T2 copper tube and coated tin according to catalog text.

Specification table

Model & Spec	D	d	L
GTY-1.5	3.5	2.5	20
GTY-2.5	4	3	20
GTY-4	4.8	3.5	20
GTY-6	5.5	4.1	25
GTY-10	6.7	5	30
GTY-16	7.5	5.8	35
GTY-25	9	7.2	40
GTY-35	10.5	8.5	45
GTY-50	12.5	10.1	50
GTY-70	14.5	11.7	55
GTY-95	17	13.8	60
GTY-120	19.5	15.9	65
GTY-150	20.5	16.7	70
GTY-185	23.5	19.1	75
GTY-240	26	21.4	80
GTY-300	30	24.6	85
GTY-400	34	27.4	90
GTY-500	38	30.8	100
GTY-630	45	35.8	110
GTY-800	50	40.4	150
GTY-1000	55	45	170

Dimensions are rebuilt from the DOCEN PDF catalog for quick sourcing.

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