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0102030405

HUP Copper Tube Terminals

Precision Connection, Maximum Protection – Engineered for Harsh Electrical Environments

✅ Pre-Insulated Nylon Sleeve
High-density Nylon sleeves pre-crimped onto terminals, withstand -20°C to +80°C, resisting oil, moisture, and vibration. No heat shrink needed – 50% faster installation.

✅ Military-Grade Conductivity
Tin-plated brass core, conductivity ≥28%. Tested at 20A continuous current, crimping resistance ≤0.5mΩ.

✅ Anti-Mismatch Color Coding
Red/blue/yellow sleeves follow industry polarity standards, reducing misconnection risks by 90%.

✅ 3-Second Crimping
Streamlined bullet shape works with standard crimpers (AWG 22-10). Solder-free, reliable connection in 3 seconds.

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PRODUCT DESCRIPTION

HUP copper tube terminals, also commonly referred to as copper wiring terminals, copper lugs, wire lugs, or O-type terminals, are electrical accessories used to achieve reliable and repeatable connections between wires/cables and electrical equipment such as circuit breakers, switches, busbars, and terminal blocks. Their core purpose is to concentrically fix and crimp the ends of stranded or solid wires, forming a strong, low-resistance electrical connection point that can be easily connected to equipment terminal screws. The main advantages are preventing wire strands from fraying, increasing contact area, reducing contact resistance and heat generation, and improving the safety, stability, and durability of the connection. Typical applications include high and low voltage distribution systems, power engineering, industrial automation, the new energy sector, rail transit, ships, data centers, and more. The mainstream material is high-purity electrolytic copper, which has very high conductivity, good ductility, and is easy to crimp. HUP specifically refers to a tubular terminal with a hexagonal crimping groove. Based on the shape of the connection hole at the tail end, it is mainly divided into the following types: O-type/round hole, U-type/fork, pin-type/male, blade/flat type, and other variants.

Technical Parameters

ITEM NO	ΦE	ΦD	Φd	W	B	L	WIRE RANGE A.W.G. mm²
HUP0.75-3	3.2	2.8	1.3	6	6	15.3	22-18 A.W.G. 0.5-0.75 mm²
HUP0.75-4	4.3			6.5		17
HUP0.75-5	5.3			9		19
HUP1.5-3	3.2	3.3	1.8	6.5	6	15.3	22-16 A.W.G. 0.5-1.5 mm²
HUP1.5-4	4.3			6.5		17
HUP1.5-5	5.3			7.5		18.8
HUP1.5-6	6.5			9		22.5
HUP2.5-3	3.2	4.2	2.3	7.5	6	15.3	16-14 A.W.G. 1.5-2.5 mm²
HUP2.5-4	4.3			7.5		17
HUP2.5-5	5.3			8.5		18.8
HUP2.5-6	6.5			9.5		22.5
HUP2.5-8	8.5			13		27.8
HUP4-4	4.3	5	3	8.5	8	21.8	14-12 A.W.G. 2.5-4 mm²
HUP4-5	5.3			9		14
HUP4-6	6.5			10		25.5
HUP4-8	8.5			13		30.5
HUP6-4	4.3	6.5	3.5	8.5	9	23	12-10 A.W.G. 4-6 mm²
HUP6-5	5.3			10		27.5
HUP6-6	6.5			12		27.5
HUP6-8	8.5			15		33
HUP6-10	10.5			17		37
HUP6-12	13			19		41
HUP10-4	4.3	7	4.5	12	10	28.5	8 A.W.G. 10 mm²
HUP10-5	5.3
HUP10-6	6.5
HUP10-8	8.5			15		35
HUP10-10	10.5			17		39
HUP10-12	13			19		42
HUP16-4	4.3	8.5	5.5	12	13	32.5	6 A.W.G. 16 mm²
HUP16-5	5.3					32.5
HUP16-6	6.5					33.3
HUP16-8	8.5			15		37.5
HUP16-10	10.5			17		41.5
HUP16-12	13			19		45
HUP25-5	5.3	10	7	14	15	37.5	4 A.W.G. 25 mm²
HUP25-6	6.5			14		37.5
HUP25-8	8.5			16		42
HUP25-10	10.5			18		46
HUP25-12	13			19		48
HUP25-16	17			23		52.5
HUP35-6	6.5	12	8.5	17	17	39.5	2 A.W.G. 35 mm²
HUP35-8	8.5			17		44
HUP35-10	10.5			19		49
HUP35-12	13			21		51
HUP35-14	15			21		54.5
HUP35-16	17			26		58
HUP50-6	6.5	14	10	20	19	47	1/0 A.W.G. 50 mm²
HUP50-8	8.5					47
HUP50-10	10.5					51
HUP50-12	13			23		56
HUP50-14	15			23		59.5
HUP50-16	17			28		62
HUP50-20	21			30		67
HUP70-6	6.5	16.5	12	23.5	21	53	2/0 A.W.G. 70 mm²
HUP70-8	8.5					53
HUP70-10	10.5					56
HUP70-12	13					59
HUP70-14	15					62.5
HUP70-16	17			28		66
HUP70-20	21			30		72
HUP95-6	6.5	18	13.5	26	25	60	3/0 A.W.G. 95 mm²
HUP95-8	8.5
HUP95-10	10.5
HUP95-12	13					62
HUP95-14	15					65.5
HUP95-16	17			28		70
HUP95-20	21			36		82
HUP120-6	6.5	19.5	15	28	26	65	4/0 A.W.G. 120 mm²
HUP120-8	8.5
HUP120-10	10.5
HUP120-12	13
HUP120-14	15					67
HUP120-16	17			30		70
HUP120-20	21			36		85
HUP150-10	10.5	21	16.5	30.5	30	72	250/300 MCM 150 mm²
HUP150-12	13
HUP150-14	15
HUP150-16	17					74
HUP150-20	21			36		88
HUP185-10	10.5	24	19	35	30	83	300/350 MCM 185 mm²
HUP185-12	13
HUP185-14	15
HUP185-16	17
HUP185-20	21			39		91
HUP240-10	10.5	26	21	38	35	93.5	400/500 MCM 240 mm²
HUP240-12	13
HUP240-14	15
HUP240-16	17
HUP240-20	21
HUP300-12	13	29.5	23.5	43	44	111	500/600 MCM 300 mm²
HUP300-14	15
HUP300-16	17
HUP300-20	21
HUP400-14	15	34	27	49	44	114	600/750 MCM 400 mm²
HUP400-16	17
HUP400-20	21
HUP500-16	17	42	31	59	70	150	800/1000 MCM 500 mm²
HUP500-20	21	42	31	59	70	150	800/1000 MCM 500 mm²
HUP630-16	17	44	34.5	63.5	80	170	1000/1250 MCM 630 mm²
HUP630-20	21	44	34.5	63.5	80	170	1000/1250 MCM 630 mm²