Unscreened Separable Connector (Front)

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Description
The LJH-1 24KV/630A unscreened separable connector is a completely insulated, sealed, injection molded connector using high-quality silicone rubber. It is configured with in-built stress cone for stress control, which effectively prevents electric field concentration at the disconnected part of cable semiconducting layer.

Features and Applications of the Unscreened Separable Connector
1. This unshielded cable connector adopts extrusion-type installation technology to achieve interference fit.
2. It is suitable for 24KV XLPE cable with single-core or three-core copper or aluminum conductor, and conductor sectional area can be 25-400mm2.
3. Our 24KV/630A unscreened separable connector can be applied to the cable with extrusion-type semiconducting layer.
4. Its marvelous performances won’t be confined even under highly contaminated or moist environment.
5. To perfectly connect cable to transformer, switchgear, RMU, cable branch box and the other electrical equipment, please choose this unshielded fore-connector.

Reference Standard
1. Electrical property: IEC60502, GB/T12706
2. Standard: EN50180, EN50181, DIN47636

Silicone Rubber

Item	Unit	Index
Hardness	°	50
Dielectric constant	ε	2.9
Tensile strength	MPa	≥6
Tear strength	KN/m	≥15
Elongation at break	%	≥350

Dimensions of Stress Cone

Conductor sectional area (mm2)	Item No.	Insulation diameter range (mm)
Conductor sectional area (mm2)	Item No.	Min.	Max.
25, 35	SSYYd111	16.00	19.00
50, 70, 95, 120	SSYYd112	18.00	24.50
150, 185, 240	SSYYd113	24.00	30.50
300, 400	SSYYd114	30.00	36.00

Technical Parameters of the Unscreened Separable Connector

Item	Unit	Index
Rated voltage	kV	24
Rated current	A	630
Rated frequency	Hz	50
5-minute power frequency withstand voltage	kV	39
Partial discharge	PC/15kV	≤10
Impulse voltage test	kV	95
15-minute DC withstand voltage test	kV	35

Terminal

Conductor sectional area(mm2)	Item No.		Φ1	Φ2	Φ3	L
Conductor sectional area(mm2)	Copper conductor	Aluminum conductor	Φ1	Φ2	Φ3	L
25	SSCTd101	SSCLd101	7.00	10.00	12.5	46
35	SSCTd102	SSCLd102	9.00	12.00	12.5	52
50	SSCTd103	SSCLd103	10.00	14.00	12.5	54
70	SSCTd104	SSCLd104	12.00	16.00	12.5	61
95	SSCTd105	SSCLd105	13.00	18.00	12.5	66
120	SSCTd106	SSCLd106	15.00	21.00	12.5	73
150	SSCTd107	SSCLd107	16.00	23.00	12.5	77
185	SSCTd108	SSCLd108	18.00	25.00	12.5	86
240	SSCTd109	SSCLd109	20.00	28.00	12.5	93
300	SSCTd110	SSCLd110	22.00	31.00	12.5	103
400	SSCTd111	SSCLd111	25.00	35.00	12.5	113

Structure

1	630A bushing
2	Double end bolt
3	Connector
4	Metal/plastic ring
5	Gasket
6	Spring washer
7	M12 nut
8	Insulating cover
9	Terminal
10	Conductor
11	Core insulation
12	Stress cone
13	Conducting layer
14	Stress control unit
15	Cable

Note
Please download PDF document for packing list information.

Unscreened Separable Connector (Front)

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