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Universal Rectifiers

Air Cooled Standard Line

THE “STANDARD” LINE
The Universal Standard Line Cathodic Protection rectifiers are recognized as the leader In quality and workmanship. Many years of field proven service has led to the design of the rectifiers. Conservative ratings, controlled manufacturing techniques, plus many extra features insure long and trouble free operation.

Features:

• 11 gauge hot dipped galvanized case.
• Front & side opening doors.
• Heavy-duty draw-pull latch.
• Slide out racks
• Heavy duty transformer with 15% over design for reserve capacity.
• 18 step voltage control taps.
• Engraved bakelite panel.
• Quick change heavy duty knobs for changing tap link bars.
• Minimum 5/16″ diameter soldered tap changing studs.
• Accessible shunt, plainly marked.
• Heinemann magnetic circuit breaker.
• Hoyt Model 17-3 Meters.
• Tri-amp high density selenium.
• Microsemi avalanche silicon diodes protected by surge suppressors and current limiting fuses.
• All electrical connections double nutted or soldered.
• Multi-strand high temperature extra flexible wire.
• Terminal block for AC input wires.
• Primary tap change panel for dual input voltages.
• Dead front panel supplied on all units over 60 volts D.C.

 

CASE  SIZE A B C D E  F G H I J K L
DIMENSIONS – INCHES SIZE
A 14 12 20 3  15  20  26 1/4 3 7 1/2 6 7 1/2 5 1/2
B 17 15 24 3 1/2  18 23 32 3 9 8 10 8 1/2
C 22 21 24 3 1/2 24 28 32 3 9 10 15 14
D 28 22 23 3 1/2 25 34 32 3 9 12 21 15
E 34 28 27 5 33 44 35 3 9 10 29 1/2 20

 

OIL COOLED

The Universal oil cooled rectifier is a heavy duty rugged rectifier designed to operate under severe conditions.
The cabinet is constructed of minimum 11 gauge material reinforced with external fins for added strength
and cooling. All units are equipped with hinged lid, lid brace and heavy duty draw pull latches as standard

Features.

Explosion proof models for Class 1, Group 0 environments comply to U.L. Standard 698.6

 

CASE SIZE OIL

CAPACITY

GALLONS

A B C D E F G
Case Dimensions
MAO 20 18 15 24

1/2

 24 26

3/4

 17

3/4

 8
AO 55 30 18

1/4

34  24  39

3/4

 22  8
BO 110 36 21 46  24  46  25  10
CO 170 48 21 52  24  58

1/4

 25  10
DO 213 60 21 52  24  70

1/4

 25  10
EO 300 72 21 52 24  82

1/4

 25  10
FO 465 84 30

1/2

52

1/2

24  93

1/2

 34  10
GO 600 84 30

1/2

64

1/2

24  93

1/2

34  10

 

Case Size A B C D
Explosion Proof Knockouts Dimensions
MAO 3 1

3/4

3 4

1/2

AO 3 2

3/4

4 4

1/4

BO,CO,

DO,EO

3 3 4

1/2

4

1/4

FO,GO 3 3 4

1/2

4

1/4

 

AIR COOLED SW SERIES AND UTILITY SERIES

The Universal “SW” Series rectifier is an alternate to the standard line. The “SW” rectifier features lift-off design case which permits unlimited accessibility for routine maintenance and inspection. Simplified design reduces manufacturing costs which provides an economical rectifier ideally suited to most applications. Rectifier components mounted on 11 gauge chassis panel for easy removal.

SPECIAL PURPOSE:

UNDERWRITERS LABORATORY
APPROVED (U.L.)
• File E150287
• Thirty-five ratings available
• manual tap adjust, automatic and solid state
• Suitable for service station, pipeline, etc.

BRIDGE DECK AND CONCRETE REINFORCEMENT BAR CATHODIC

PROTECTION RECTIFIERS

• Stepless, precise output adjustment
• Constant current, constant voltage models
• Patent pending IR drop free models
• Multiple output circuits with individual control
• Many options available
• Any style enclosure available
• Custom designs to suit any requirement

CUSTOM UNITS:

Universal is a unique, versatile manufacturing facility. Not governed by mass production techniques, our facilities are flexible to meet all demands. We welcome unusual designs.
• Constant Current
• Automatic potential control
• Multi-units in common case
• Test rectifiers
• Export units

MODEL ES

FEATURES:

• Circuit breaker
• Ammeter
• 3 coarse and 6 fine taps
• Heavy gauge aluminum case
• Sillicon rectifying elemnets
• AC and DC lightning protection
• AC input terminal block
• Unique opening cabinet for total accessibility
• 200 Watts maximum DC output
• Tapless control available

MODEL ES-II

• Same overall dimensions as ES-I, except 2.5″ wider
• Voltmeter standard
• Elapsed time indicator available
• D.C. failure lights available
• Tapless control available

REPLACEMENT PARTS:

Universal stocks a complete line of industry
standard components for replacement purposes.
• Transformers
• Silicon stacks
• Selenium stacks
• Meters
• Circuit Breakers
• Fuses
• Shunts
• Solid State Relays
• AC & DC arrestor

National Headquarters:
New Jersey
411 Elizabeth Avenue
Somerset, NJ 08873

Mailing Address:
P.O. Box 476
So. Bound Brook, NJ 08880
Email: info@stuartsteel.com
Phone: 732-469-5544
Fax: 732-469-9270

Warehouse Addresses:
Tennessee
1005 Main Street
Humboldt, TN 38343

Georgia
66 Southern Court
Hiram, GA 30141
678-903-6151

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