UL 3321

UL 3321

Excellent mechanical properties
Low temperature soft good performance
Good flame retardancy
High of resistance to chemicals
Excellent thermal stability
ROHS/REACH compliant
According to UL standard design
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Description Technical Parameters

UL3321 wire is an American standard electronic wire with a rated temperature of 150℃ and a rated voltage of 600V. The conductor is made of single or stranded tin plated or bare copper wire, and the insulation is made of cross-linked flame-retardant polyolefin material. It has excellent mechanical and electrical performance, complies with RoHS standards, and is widely used in internal connection lines of electronic and electrical equipment, such as motors, transformers, lighting fixtures, and other devices.

Feature

product-1920-1280

 

 

Condutor :stranded or solid,tinned or bare copper

Insulation :XLPE

Reted Temperature:150℃

Reted Voltage:600Vac

Passes UL VW-1 & CSA FT1 vertical flame test

Passes UL & CSA FT2 horizontal flame test

Shielded Type:Not shielded

Low smoke

Non-halogen

Standard Reference:UL758,UL1581

Environmental testing pass ROHS

UL 30awg to 10awg

 

Application

product-1280-1280

 

 

 

 

UL3321 wires have excellent performance and are therefore widely used. In the field of electronic appliances, internal connection wires commonly used in motors, transformers, lighting fixtures, ballasts and other equipment can work stably in a high temperature environment of 150℃, ensuring the normal operation of the equipment. In the construction industry, large public buildings such as train stations, airports, shopping centers, and other crowded places will use this cable. Its low smoke and halogen-free characteristics can reduce smoke and harmful gases in case of fire, ensuring personnel safety. In terms of rail transit, UL3321 wires are often used in transportation vehicles with high safety requirements such as subways and light rails to meet their strict requirements for fire prevention and low smoke performance. In industrial production, industries with high environmental requirements such as chemical and metallurgical industries are widely used in internal wiring of electrical circuits, instrument lines, distribution systems, and measurement systems due to their excellent corrosion resistance and fire resistance.

Structure

UL3321

Colors Available: BLACK, WHITE, RED, YELLOW, GREEN, BLUE, BROWN, GREY, ORANGE, VIOLET

Package Type:500Ft/roll, 1000Ft/roll. 2000Ft/roll

product-504-528

 

 

Company Profile

 

3F Electronics Industry Corp was established in 1996, after more than 20 years of continuous accumulation, 3F has become a group enterprise. The fields involved are: insulation materials, copper conductors, irradiation processing, wire harness processing, new energy, special cables, household cables, locomotive cables, communication cables, aerospace cables, insulating sleeves, cable accessories, etc. Annual sales of more than 1 billion yuan. The group is headquartered at No. 5, Zhenxing Road, Science City, Guangming District, covering an area of 20,000 square meters and self-built factory buildings of 35,000 square meters.

product-1060-681

01

Corporate vision

Become a world-renowned supplier of electronic components, providing customers with satisfactory electronic solutions. 

02

3F concern

High temperature resistance, high pressure resistance, ultra-thin, environmental protection.

03

Quality policy

Quality first, delivery guarantee, active service, customer first, step by step, zero defect management.

04

Social responsibility

Make our users products safer. Save resources and make the planet we live in a better and more harmonious place. 

 

Partners

 
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FAQ

Q:1.What are the main applications of UL3321 wire?

A:UL3321 wire is widely used in electronic devices like motors, transformers, and lighting fixtures for internal wiring. It's also suitable for industrial control systems, automotive electronics, and some high - temperature electrical applications due to its high - temperature resistance.

Q:2.Is UL3321 wire environmentally friendly?

A:Yes, UL3321 wire is low - smoke and halogen - free, compliant with RoHS standards. It produces less smoke and no harmful halogens when burned, which is beneficial for both human health and the environment.

Technical Parameters

STYLE

 

standard

AWG

 

Conductor size

(No./ mm)

 

Conductor resistance

20℃

(Ω/Km)

 

Conductor

Dia.(mm)

insulation

thickness

(mm)

Overall diameter

(mm)

Nom.

Min.

Nom.

Tole.

3321

10

105/0.254

3.54

3.00

0.80

0.69

4.60

±0.15

12

65/0.254

5.64

2.36

0.80

0.69

3.95

±0.15

14

41/0.254

8.96

1.92

0.80

0.69

3.50

±0.15

16

26/0.254

14.60

1.50

0.80

0.69

3.10

±0.1

 

18

16/0.254

23.20

1.18

0.80

0.69

2.75

±0.1

7/0.39

23.20

1.18

0.80

0.69

2.75

±0.1

 

20

21/0.18

36.70

0.95

0.80

0.69

2.55

±0.1

10/0.254

36.70

0.92

0.80

0.69

2.50

±0.1

1/0.813

36.70

0.813

0.80

0.69

2.41

±0.1

22

17/0.16

59.40

0.76

0.80

0.69

2.35

±0.1

24

11/0.16

94.20

0.61

0.80

0.69

2.20

±0.1

26

7/0.16

150.00

0.48

0.80

0.69

2.08

±0.1

28

7/0.127

239.00

0.38

0.80

0.69

1.98

±0.1

30

7/0.10

381.00

0.30

0.80

0.69

1.90

±0.1

 

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