Miller HF-251D-1 Manuel utilisateur

High-Frequency Arc

Starter and Stabilizer

Issued August 2007 • Index No. AY/5.0

Processes

Gas Tungsten Arc

Welding (TIG)

Input Power 1-Phase Power

Rated Output 250 A, 60% Duty Cycle

Weight HF-251D-1: 34 lb (15 kg)

HF-251-2: 36 lb (16 kg)

Industrial/Light Industrial Applications

General Manufacturing

Tool and Die

Repair Shops

All-Purpose Maintenance

Miller Electric Mfg. Co.

An Illinois Tool Works Company

1635 West Spencer Street

Appleton, WI 54914 USA

Web Site

www.MillerWelds.com

International Headquarters

Phone: 920-735-4505

USA FAX: 920-735-4134

Canadian FAX: 920-735-4169

International FAX: 920-735-4125

Quick

Specs

The Power of Blue®

Gas solenoid valve.

Two versions (115 VAC, 50/60/100 Hz

and 230 VAC, 50/60 Hz) meet most

single-phase power configurations, and

all are rated at 60% duty cycle.

The HF-251 is compatible with power

sources made by other manufacturers.

For use with power sources with 14-socket

receptacle (5-socket adapter available).

Power on/off switch with pilot light.

Start, off and continuous control.

With the addition of an HF unit,

your constant-current power source

can handle welds on aluminum,

magnesium, thin stainless steel,

brass, copper and a wide variety of

both ferrous and non-ferrous alloys.

High-frequency intensity control.

Built-in postflow eliminates

contamination.

Protected secondary terminal.

Convenient, portable design can be

easily moved from location to location.

14-pin receptacle on front panel for

remote controls.

Warranted for 1 year, parts and labor.

Increase the flexibility and performance

of most AC, DC or AC/DC constant-current

welding machines with these portable

high-frequency arc starters and stabilizers.

The unit impresses high frequency on the

welding circuit and provides the arc control

needed for TIG welding.

HF-251

Specifications (Subject to change without notice.)

Model

HF-251D-1

HF-251-2

Input Volts

115 VAC, 50/60/100 Hz

230 VAC, 50/60 Hz

Net Weight

34 lb (15 kg)

36 lb (16 kg)

Rated Output at 60% Duty Cycle

250 A

Dimensions

H: 13 in (330 mm)

W: 9-1/4 in (235 mm)

D: 16 in (406 mm)

Genuine Miller Options and Accessories

Secondary Contactor

Kit

For HF-251D-1 model

#041 969 Field only

For HF-251-2 model

#041 906 Field only

Mounts inside HF-251 cabinet. For use

with a power source that does not have

its own contactor.

Remote Controls and Switches

Controls listed below are for use with Miller constant-

current power sources with solid-state output control.

The controls are used when remote current control is

desired. The HF-251 is equipped with a 14-pin plug on

a 6 ft (1.8 m) cord for direct connection to new Miller

CC power sources. An adapter cord will be required

for older Miller equipment with 5-socket receptacles.

RMLS-14 #129 337

Momentary- and maintained-contact rocker

switch. 20 ft (6 m) cord with 14-pin plug.

RCC-14 #151 086

Attaches to the TIG torch handle to provide

contactor and current control. Includes 28 ft

(8.5 m) cord and 14-pin plug prewired.

RHC-14 #129 340

Miniature remote hand current and

contactor control. Includes 20 ft (6 m) cord

and 14-pin plug.

RFCS-14 #043 554

Foot pedal current and

contactor control.

Includes 20 ft (6 m)

cord and 14-pin plug.

Extension Cords

#122 973 25 ft (7.6 m)

#122 974 50 ft (15 m)

#122 975 75 ft (23 m)

Extends HF-251 farther from power source or

extends remote control farther from HF-251.

Adapter Cord #129 341

1 ft (305 mm) cord with 5-pin and 14-pin

plugs for use between 5-socket receptacle

power source and HF-251.

Adapter Cord #041 947

1 ft (305 mm) cord with 14-pin plug

and 5-socket receptacle for use between

HF-251 and 5-pin remote controls.

Water Coolant Systems

Coolmate™3

#043 007 115 VAC

#043 008 230 VAC

Delivers cooling capacity for torches

rated up to 600 A.

Coolmate™V3 #043 009 115 VAC

Cools torches rated up to 500 A.

Coolmate™4 #042 288 115 VAC

Cools torches and guns rated up to 600 A.

For use with water-cooled guns. Refer to

Literature Index No. AY/7.2 for additional

coolant system information.

Typical TIG (GTAW) Torches

Air-cooled Torches

#WP-17-25-2 (150 Amp)

#WP-26-25-2 (200 Amp)

Water-cooled Torches

(Requires

45VII Adapter)

#WP-18-25-R (350 Amp)

#WP-20-25-R (250 Amp)

Miller Power

Source

with 5-Socket

Receptacle

Electrode Cable

Work Cable

1 ft (305 mm)

Adapter Cord

(#129 341)

Optional Extension Cords

(See Options and Accessories

for Lengths Available.)

6 ft (1.8 m) Cord

Supplied with HF-251

Work

TIG Torch

Remote

To 115 Volt Supply – 10 ft (3 m)

HF-251

Denotes Plug (Threaded Collar) Denotes Receptacle (External Threads)

TIG Torch

Electrode Cable

Work Cable

Optional Extension Cords

(See Options and Accessories

for Lengths Available.)

Work

Remote

6 ft (1.8 m) Cord

Supplied with HF-251

Miller Power

Source

with 14-Socket

Receptacle

To 115 Volt Supply – 10 ft (3 m)

HF-251

1. Pilot Light

2. Power Switch

3. High Frequency Switch

4. High Frequency

Selector Switch

5. High Frequency

Intensity Control

Typical InstallationsControl Panel

Distributed by:

Litho in USA

Power Source and Options Stock No. Description Qty. Price

HF-251D-1 #042 388 115 V, 50/60/100 Hz

HF-251-2 #042 387 230 V, 50/60 Hz

Secondary Contactor Kit #041 969 For HF-251D-1 model. Field only

#041 906 For HF-251-2 model. Field only

Date: Total Quoted Price:

Ordering Information

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