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10kV Cold Shrinkable Cable Accessories

Utilizing the "elastic memory" of silicone rubber and advanced seamless expansion technology, pre-manufactured terminal and joint rubber components are pre-expanded within elastic limits and mounted on plastic supports. During installation, simply remove the plastic support strip and the cable accessory rubber components will rapidly shrink and tightly grip the cable. This flame-free method ensures safe, reliable, and convenient installation.

model:

Commodity name： 10kV Cold Shrinkable Cable Accessories

Category:

Cold shrink cable accessories

Email:

laicaieven@gmail.com

Phone:

+86 17710715268

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Product model description

8.7/15kV cold shrink termination and straight joint

8.7/15kV cold shrink indoor termination

8.7/15kV accessory kit for cold shrink indoor termination

8.7/15kV cold shrink outdoor termination

8.7/15kV accessory kit for cold shrink outdoor termination

8.7/15kV structure diagram of cold shrink joint

8.7/15kV cold shrink joint accessory kit

8.7/15kV structure diagram of cold shrink joint

Product standard

GB/T 12706.4-2020 Extruded insulated power cables and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 4: Test requirements for accessories for power cables with rated voltages from 6kV (Um=7.2kV) up to 35kV (Um=40.5kV).
T/CEC 118-2016 Technical specification for cold shrinkable cable accessories with rated voltages up to 35kV (Um=40.5kV).

Product features

Cold shrink technology

Reliable insulation

The product uses high-quality liquid silicone rubber specifically designed for power cable accessories. With excellent electrical properties, corrosion resistance, and aging resistance, combined with sufficient design margin, the product offers more reliable insulation performance and longer service life.

Technical characteristics

The stress control component of the terminal body is integrated with the main insulation, achieving gapless connection. The electric field stress dispersion control adopts an optimized design of geometric stress cone structure, effectively reducing field intensity and stress concentration. Additionally, the increased external insulation creepage distance, combined with the hydrophobic properties of silicone material, ensures product performance at high altitudes, humid regions, cold zones, and heavily polluted environments.

The mid-joint features thickened main insulation and an injection-molded outer shielding structure, ensuring excellent shielding performance and stable quality. The installation process incorporates triple waterproof sealing (both ends of the joint body, inner sheath, and outer sheath), making the waterproof performance more reliable. Our company has also developed injection-molded waterproof mid-joints, fire-resistant mid-joints, and explosion-proof mid-joints, expanding the product's application scope.

Product specifications

8.7/15kV Cold Shrink Cable Termination and Straight Joint Product Specification Sheet

Cable Type	Model No.	Product Name	Suit Cable’s Sectional Area(mm²)
10kV 3-Core Cable	ZLN15kV-3/1	3-Core Cold Shrink Indoor Termination	25-50
	ZLN15kV-3/2		70-120
	ZLN15kV-3/3		150-240
	ZLN15kV-3/4		300-400
10kV 3-Core Cable	ZLW15kV-3/1	3-Core Cold Shrink Outdoor Termination	25-50
	ZLW15kV-3/2		70-120
	ZLW15kV-3/3		150-240
	ZLW15kV-3/4		300-400
10kV 3-Core Cable	ZLJ15kV-3/1	3-Core Cold Shrink Straight Joint	25-50
	ZLJ15kV-3/2		70-120
	ZLJ15kV-3/3		150-240
	ZLJ15kV-3/4		300-400
10kV Single-Core Cable	ZLN15kV-1/1	Single-Core Cold Shrink Indoor Termination	25-50
	ZLN15kV-1/2		70-120
	ZLN15kV-1/3		150-240
	ZLN15kV-1/4		300-400
	ZLN15kV-1/5		500-630
10kV Single-Core Cable	ZLW15kV-1/1	Single-Core Cold Shrink Outdoor Termination	25-50
	ZLW15kV-1/2		70-120
	ZLW15kV-1/3		150-240
	ZLW15kV-1/4		300-400
	ZLW15kV-1/5		500-630
10kV Single-Core Cable	ZLJ15kV-1/1	Single-Core Cold Shrink Straight Joint	25-50
	ZLJ15kV-1/2		70-120
	ZLJ15kV-1/3		150-240
	ZLJ15kV-1/4		300-400
	ZLJ15kV-1/5		500-630

Main technical parameters

Test Project	Test Voltage (kV)	Standard Requirements	Test Result
AC Withstand Voltage Test	39	No flashover or breakdown at 39kV for 5 minutes	Passed
DC Withstand Voltage Test	-35	No flashover or breakdown at -35kV for 15 minutes	Passed
AC Withstand Voltage Test (Rain)	35	No flashover or breakdown at 35kV for 1 minute under simulated rain conditions	Passed
Partial Discharge Test (Room Temp.)	15	Discharge magnitude ≤10pC at 15kV (background: 2.1pC)	2.1pC
Impulse Withstand Test (High Temp.)	95	10 positive/negative impulses each at 95–100°C conductor temp., no flashover/breakdown	Passed
Load Cycle Test (Air, 60 cycles)	22	30 load cycles (joints: 30 cycles) at 22kV, conductor heated to 95–100°C in air	Passed
Load Cycle Test (Water, 30 cycles)	22	30 load cycles at 22kV, conductor heated to 95–100°C in water	Passed
Immersion Test	/	Outdoor terminal submerged 0.03±0.02m below water, 10 load cycles at 95–100°C	Passed
Partial Discharge Test (High Temp.)	15	Discharge magnitude ≤10pC at 15kV (background: 2.0pC), tested at 95–100°C and room temp.	2.0pC
Partial Discharge Test (Room Temp.)	15	Discharge magnitude ≤10pC at 15kV (background: 2.2pC)	2.2pC
Impulse Withstand Test	95	10 positive/negative impulses each, no flashover or breakdown	Passed
AC Withstand Voltage Test	22	No flashover or breakdown at 22kV for 15 minutes	Passed
Short-Circuit Thermal Stability (Conductor)	50.5kA	No visible damage after 2 short circuits at 50.5kA for 8 seconds	Passed
Short-Circuit Dynamic Stability	178.6kA	No visible damage after 1 short circuit at 178.6kA for 1 second	Passed
Impulse Withstand Test (Room Temp.)	95	10 positive/negative impulses each, no flashover or breakdown	Passed
AC Withstand Voltage Test (15min)	22	No flashover or breakdown at 22kV for 15 minutes	Passed
Humidity Test (Indoor, 300h)	11	No flashover, breakdown, tripping, or significant damage after 300 hours	Passed
Salt Spray Test (Outdoor, 1000h)	11	No flashover, breakdown, tripping, or significant damage after 1000 hours	Passed
Visual Inspection	After all tests	No cracks, deformation, leakage traces, or electrical erosion; sealed parts intact; no insulation leakage	Passed

Keywords:

10kV Cold Shrink Cable Terminations

ZL Series Cold Applied Cable Joints

Cold Shrink Cable Accessories

8.7/15kV Silicone Rubber Cable Accessories

Cold Shrink Cable Splice Kits

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