.A complete Parts List is available at www.HobartWelders.com

SECTION 3 − DEFINITIONS

3-1. Symbols And Definitions For Nameplate And Serial Number/Rating Label

A

Amperes

 

 

 

 

 

Plasma Arc Cutting

 

 

 

 

Adjust Air/Gas

 

 

 

 

 

 

 

 

 

 

Low Air Pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(PAC)

 

 

 

 

Pressure

 

 

 

 

 

 

 

 

 

 

Light

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

Volts

 

 

 

 

 

Increase

 

 

 

 

No − Do Not Do

 

 

 

 

 

 

 

 

 

 

Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Protective Earth

 

 

 

 

 

Single Phase

 

 

 

 

Constant Current

 

 

 

 

 

 

 

 

 

 

Voltage Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Ground)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On

 

 

 

 

 

Off

 

 

 

 

Percent

 

 

 

 

 

 

 

 

 

 

Direct Current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U0

Rated No Load

 

U1

Primary Voltage

 

U2

Conventional Load

 

 

 

 

 

 

 

 

 

 

Line Connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage (Average)

 

 

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I1max

Rated Maximum

 

 

I2

Rated Welding

 

 

X

 

 

 

 

 

 

 

 

 

 

 

Single Phase

 

 

 

 

Duty Cycle

1

 

 

 

 

 

 

 

f1

 

Static Frequency

Supply Current

 

 

Current

 

 

 

 

 

 

 

 

 

 

 

f2

Transformer-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rectifier-Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IP

Degree Of

 

 

 

 

 

Loose Shield Cup

 

 

 

 

Input

 

Hz

 

Hertz

Protection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I1eff

 

 

pf

 

 

 

 

 

Suitable for Some

 

 

S1

 

Power Rating,

Maximum Effective

 

 

 

 

S

 

 

 

 

 

power factor

 

 

 

Hazardous

 

 

 

Product Of Voltage

Supply Current

 

 

 

 

 

 

 

 

 

 

 

 

Locations

 

 

 

And Current (KVA)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OM-230 455 Page 9

Page 13
Image 13
Hobart Welding Products 250ci, HP-25 TORCH manual Definitions, I1max, I1eff

250ci, HP-25 TORCH specifications

The Hobart Welding Products HP-25 Torch is a robust and versatile tool designed to meet the needs of both professional welders and hobbyists alike. With a powerful 250 cubic inch (ci) capacity, this torch offers impressive performance that accommodates various welding applications, making it a reliable choice for both heavy-duty and light-duty tasks.

One of the main features of the HP-25 is its ergonomic design, which enhances user comfort during prolonged use. The torch is lightweight, reducing operator fatigue, while the grip is designed for easy handling, allowing for greater control and precision in welding. The HP-25 is equipped with a durable, high-quality brass construction that provides excellent resistance to corrosion and wear, ensuring longevity and reliability even in demanding environments.

Technologically, the HP-25 Torch features an advanced cooling system that prevents overheating, allowing for extended use without the risk of damage. This feature is particularly beneficial for welders working on large projects that require continuous operation. Additionally, the torch includes a smooth trigger mechanism for effortless operation, reducing the chances of hand strain and improving overall productivity.

The HP-25 is compatible with a range of fuel gases, including propane, acetylene, and natural gas, making it suitable for various welding processes, from cutting to brazing. This versatility adds to its appeal, as users can adapt the torch to fit specific project requirements without needing multiple tools.

Another notable characteristic of the HP-25 is its adjustable flame control valve, which allows operators to customize their welding flame according to the material being welded and the desired outcome. Whether working on thin metals or thicker materials, the precision of the flame control ensures optimal fusion and minimal distortion.

In summary, the Hobart Welding Products HP-25 Torch is a powerful and flexible welding tool that combines user-friendly design with reliable performance. Its durable construction, advanced cooling system, and compatibility with different fuel gases make it an excellent option for anyone involved in welding tasks, offering the efficiency and effectiveness required in modern metalworking projects. Whether for professional use or personal hobbies, the HP-25 stands out as a significant asset in any welder's toolkit.