Miller Electric SRH-444 User manual

Stick Welding

Power Source

Issued April 2006 • Index No. DC/7.0

Processes

Stick (SMAW)

Air Carbon Arc (CAC-A)

Cutting and Gouging

Input Power 3-Phase Power

Rated Output 400 A at 36 VDC, 60% Duty Cycle

Weight 784 lb (356 kg)

Heavy Industrial Applications

Steel Erection and Pipe Welding

Tank/Pressure Vessel Fabrication

Maintenance/Repair/Construction

Shipbuilding, Refineries, and Foundries

Chemical and Steel Manufacturing Facilities

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®

Infinite amperage control allows

precise weld output adjustment; you

always get the exact heat you need to

produce a better weld.

Superior 6010 Stick electrode

performance offers reliable puddle

control with open root, full-penetration

welding.

Control-circuit overload breaker allows

for quick resetting and eliminates the

need to keep fuses on hand.

High/low output terminals conveniently let

you choose between two different amperage

ranges for improved output control.

Two wide amperage ranges for fine

adjustment allows exact control of

weld amperage.

Remote amperage control

receptacle can easily connect

remote amperage control.

Easy-to-install running gear has

large wheels for smoother mobility.

Built-in Hot Start™makes it easy to

start difficult-to-start Stick electrodes,

such as E6010 and E7018.

Power source is warranted for 3 years, parts and labor.

Original main power rectified parts are warranted for 5 years.

Superior arc welding performance

provides outstanding Stick welding and

eliminates the need for rewelds.

SRH-444

Specifications (Subject to change without notice.)

Rated Output

400 Amps at 36 VDC,

60% Duty Cycle

Welding

Amperage Range

30–280

50–500

Net

Weight

784 lb

(356 kg)

Amps Input at Rated Output, Three-Phase, 60 Hz

208 V 230 V 460 V 575 V KVA KW

89 80 40 32 31.9 19.6

Dimensions

H: 30-1/4 in (768 mm)

W: 22-1/2 in (572 mm)

D: 35-3/4 in (908 mm)

RHC-3 Remote Control

#040 056 20 ft (6 m)

#195 354 100 ft (30.5 m)

Remote hand amperage

control for all SRH models.

Supplied with a cable

and plug.

No. 20 Running Gear

#041 581

Four 8 in (203 mm) poly/

rubber blend wheels with

30 in (762 mm) towing

handle.

Stick Hook-Up Accessories #173 851

Includes 50 ft (15.2 m) No. 2/0 electrode

cable with electrode holder and lug, and 50 ft

(15.2 m) No. 2/0 work cable with work clamp.

No. 4WA Welding Accessories #040 045

Includes 35 ft (10.7 m) No. 2/0 electrode cable

with electrode holder and lug, 30 ft (9 m)

No. 2/0 work cable with lug, welding helmet

and wire brush.

Voltage-Sensing Wire Feeders

SuitCase™8VS Wire Feeder #194 890

SuitCase™X-TREME™12VS

Wire Feeder #195 500

Lightweight, portable, voltage-sensing

wire feeders include secondary contactor

and gas valve. Require drive roll kit.

See Lit. Index Nos. M/6.4 and M/6.41.

A = LOW RANGE

B = HIGH RANGE

DC VOLTS

DC AMPS

0 0 100 200 300 400 500 600 700 800 900

WELD AMPS

% DUTY CYCLE

DUTY CYCLE CHART

VOLT/AMP CURVE SRH-444

SRH-444

600

500

400

300

250

200

150

900

800

700

10020 25 30 35 40 50 60 70 80 90

RATED OUTPUT

400 AMP

OFF

POWER

OFF

1. Remote Amperage Control Receptacle

2. Remote Amperage Switch

3. Circuit Breaker CB1

4. Power Switch

5. Amperage Adjustment Control

Performance DataControl Panel

Miller Accessories

Ordering Information

Power Source and Options Stock No. Description Qty. Price

SRH-444 #900 751 208/230/460 V, 60 Hz

#900 753 230/460/575 V, 60 Hz

Accessories

RHC-3 Remote Control #040 056 Includes 20 ft (6 m) cable and plug

#195 354 Includes 100 ft (30.5 m) cable and plug

No. 20 Running Gear #041 581

Stick Hook-Up Accessories #173 851 Includes 50 ft (15.2 m) No. 2/0 electrode cable with electrode

holder and lug, and 50 ft (15.2 m) work cable with work clamp

No. 4WA Welding Accessories #040 045 Includes 35 ft (10.7 m) No. 2/0 electrode cable with electrode holder and lug,

30 ft (9 m) No. 2/0 work cable with lug, welding helmet and wire brush

SuitCase™8VS #194 890 See Lit. Index No. M/6.4

SuitCase™X-TREME™12VS #195 500 See Lit. Index No. M/6.41

Date: Total Quoted Price:

Distributed by:

Litho in USA

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