Copper Bolt Clamp

Copper Bolt Clamp, TJ Series Split Bolt Connector, High Conductivity Grounding Clamp for Copper Wire Connection

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PRODUCT DETAIL

Premium copper bolt clamp (split bolt connector) – high-purity copper body for low-resistance electrical connections. Ideal for copper wire splicing, grounding, and bonding in power systems. Excellent conductivity, corrosion resistance, reusable design. Suitable for substations, industrial wiring, and grounding applications. 12-month warranty, CE/IEC certified.

Key Features

Material: High-purity copper alloy body (Cu≥99.9%), galvanized steel bolts (Grade 8.8), anti-oxidation washers
Conductivity: Ultra-low contact resistance ≤3μΩ, maximum current transfer efficiency
Design: Two-piece split bolt structure, compact and durable, easy to install
Compatibility: Fits solid/stranded copper conductors (Cu-Cu connections only)
Durability: Excellent corrosion & oxidation resistance, service life ≥30 years
Installation: No special tools needed, reusable & inspectable connection
Certification: Compliant with IEC 61284, GB/T 2314, CE certified

Electrical & Mechanical Parameters

Rated Voltage: Up to 35kV
Contact Resistance: ≤3μΩ
Operating Temperature: -40°C to 150°C
Torque Value: 15–30 Nm
Standard: IEC 61284, GB/T 2314

Applications

Copper wire splicing & branching in low/high voltage systems
Substation grounding & busbar connections
Industrial equipment grounding & bonding
Building electrical system copper wire connections
Transformer & switchgear copper cable terminations
Lightning protection & earthing systems

Installation Instructions

Select correct model based on copper conductor size.
Clean conductor surface to remove oxidation/dirt.
Open the split bolt clamp and insert both conductors.
Tighten bolts evenly to recommended torque.
Verify secure connection; add insulating tape if required.

Packaging & Shipping

Packaging: 50/100 pcs per carton, wooden pallet for bulk orders
MOQ: 100 pcs
FOB Port: Ningbo/Shanghai
Delivery Time: 7–15 days after payment
HS Code: 8535900090

Product weight

Model	Length (cm)	Width (cm)	Height (cm)	Volume (cm³)	Weight (g)
T/J-10 sq.	2.50	0.30	1.00	0.750	16
T/J-16 sq.	2.70	0.30	1.20	0.972	21
T/J-25 sq.	2.70	0.30	1.40	1.134	28
T/J-35 sq.	3.50	0.30	1.80	1.890	54
T/J 50-70 sq.	4.20	0.30	2.40	3.024	97
T/J 90-120 sq.	4.50	0.30	2.50	3.375	110
T/J 150-185 sq.	5.50	0.30	3.00	4.950	194
T/J 200-240 sq.	5.70	0.30	3.20	5.472	205