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Air Cooled UT & SW Series, by Universal Rectifier

Product Information for:

Air Cooled UT & SW Series, by Universal Rectifier

Allied Corrosion’s ALCO Air Cooled UT & W Series, manufactured by Universal Rectifier Inc., are pole mountable, air cooled cathodic protection rectifiers with a swing out and removable case for superior accessibility for routine maintenance and inspection.

Product Description

The UT & SW Series air cooled cathodic protection rectifiers, are an alternative to Standard Line series air cooled cathodic protection rectifiers. The UT is the smallest model of the two series with a maximum of 400 watts, with all the same features as the larger SW series. Both Series rectifiers feature swing out and removable design case, which permits superior accessibility for routine maintenance and inspection. Limited to 1,600 watts of DC output, the simplified rectifier design reduces manufacturing costs and provides an economical rectifier suited for most cathodic protection applications.

Type "UT" Series Rectifier

stainless steel construction rectifier

Type "SW" Series Rectifier

gray colored rectifier with stainless steel construction

Quick Facts:

  • Simplified Rectifier Design
  • Limited to 1,600 watts DC output
  • Weather proof up to NEMA 3R
  • Stainless Steel construction with galvanized cabinet

Applications:

  • Most cathodic protection cases
  • Uses with need for routine maintenance and inspection

Features

  • Weatherproof to NEMA 3R Heavy duty
  • 11-gauge hot dip galvanized cabinet with Stainless Steel Hardware
  • Stainless Steel, perforated screens
  • Components mounted on galvanized plate for easy removal
  • Heavy duty, draw-pull, stainless steel cabinet latch
  • Heavy duty transformer with 15% over-design for reserve capacity
  • Minimum 18-step voltage control taps
  • 3/16″ Grade XX, Phenolic front panel
  • Accessible front panel Total precision shunt
  • Magnetic AC Input circuit breaker
  • Magnetic AC Secondary Breakers (instead of fuses)
  • Hoyt, separate analog, 2-1/2” round, volt and amp meters
  • Silicon diodes protected by surge suppressors and current limiting breakers
  • All electrical connection hardware is Nickel Plated and double-nutted or soldered
  • Multi-strand, high temperature, insulated flexible wiring
  • Terminal block for AC input wires
  • Safety shield panel supplied on all units over 65 Volts DC

Optional Features

Type "UT" Rectifier

Powder coated cabinet finishes (White or Gray Standard)

Type "SW" Rectifier

Rectifier with filter chokes, meter switches, dc circuit breakers.
  • A variety of AC voltage inputs single phase only
  • AC and/or DC High Energy lightning protection
  • Efficiency filter chokes
  • Communication filters
  • Meter switches
  • Power-on indicator light
  • DC circuit breakers
  • 115 VAC convenience outlet
  • Powder coated cabinet finishes (White or Gray Standard)
  • Additional voltage control adjustments
  • Other options per request of customer

Wattages & Weights

case
size
Maximum
DC Watts
Shipping Weight
Lbs.
UT
400
80 lbs.
SW1
800
110 lbs.
SW2
1200
150 lbs.
SW3
1600
200 lbs.

Each rectifier is custom built and will vary in weight:
The weights above are approximate.

Dimensions

Letters in Table Reference the Above Drawing

Case Dimensions & Stud Location (inches)
Case Size
A
B
C
D
E
F
G
UT
8.75
12
19
17
11
16
20
SW1
12
15
22
18.5
12
20
25
SW2
14
17
25
22
14.5
22
28
SW3
14
20
28
25.5
14.5
25
31

Ordering Code/ Model Number

Position #1: MODEL
S = SW Series Air Cooled Rectifier
U = UT Series Air Cooled Rectifier
Position #2: TYPE
S = Standard Rectifier (Manual taps)
V = Variac Control
Position #3: COOLING
A = Air Cooled
Position #4: STACK TYPE
I = Silicon (recommended)
E = Selenium
Position #5: DC VOLTS
List Maximum DC Voltage Desired
Position #6: DC AMPS
List Maximum DC Amperage Desired
Position #7: AC INPUT
AA = 115/230, 1 Phase Set for 115 VAC
AB = 115/230, 1 Phase Set for 230 VAC
BA = 230/460, 1 Phase Set for 230 VAC
BB = 230/460, 1 Phase Set for 460 VAC
CA = 230/460, 3 Phase Set for 230 VAC
CB = 230/460, 3 Phase Set for 460 VAC
EA = 115/460, 1 Phase Set for 115 VAC
EB = 115/460, 1 Phase Set for 460 VAC
G = 115, 1 Phase Only
H = 230, 1 Phase Only
F = Specify
Position #8: SPECIAL FEATURES
C = AC and DC Arrestors
G = Communications filter
D = DC Arrestor
M = DC breaker or fuse
E = AC Arrestor
P = 4 Coarse and 6 Fine taps (Only)
F = Filter Choke
Z = Special features, (formally “Q = to be specified”)
* = For Standard Oil Cooled Rectifiers Only

Additional information

SKU ALCO-RACUT/SW Categories , , Tags ,
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