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DC Power Supplies & Cathodic
Protection Rectifiers >
Rectifiers for Cathodic Protection
Air
Cooled SW Series
Cathodic
Protection
Rectifiers
by Universal Rectifier, Inc.
Pole
mountable, air cooled cathodic protection rectifiers with a lift-off
case for superior accessibility for routine maintenance & inspection.
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 Farwest
SW Series air cooled cathodic protection rectifiers,
manufactured by Universal Rectifiers, Inc., are an
alternative to
Standard Line series air cooled cathodic protection
rectifiers. The SW Series rectifier features
lift-off 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. |
SW
Series Rectifier Features
- Weatherproof to NEMA
3R
- Heavy duty 11-gauge
hot-dipped galvanized cabinet
- Components mounted
on 11-gauge chassis for easy removal
- Industry leading
three-year limited warranty
- Heavy duty draw-pull
cabinet latch
- Heavy duty
transformer with 15% overdesign for reserve capacity
- 18-step voltage
control
- Engraved Bakelite
control panel
- Accessible front
panel shunt
- Magnetic AC circuit
breaker
- Hoyt model 17-3 volt
and amp meters
- Avalanche silicon
diodes protected by surge suppressors and
current-limiting fuses
- All electrical
connections are double-nutted or soldered
- Multi-strand, high
temperature insulated flexible wiring
- Terminal block for
AC input wires
- Dual primary AC
input
- Safety shield panel
supplied on all units over 65 Volts DC
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Optional Rectifier Features
- A variety of AC
voltage inputs
- AC and/or DC
lightning protection
- Efficiency filter
chokes
- Communication
filters
- Meter switches
- Power-on indicator
light
- DC failure warning
lights
- DC circuit breakers
or fuses
- 115 VAC convenience
outlet
- Powder coated
cabinet finishes (hot-dipped galvanize finish
standard on most units)
- Optional cabinet
materials such as aluminum or stainless steel
- Anodized finish for
aluminum cabinets
- Anodized finish with
clear coat for aluminum cabinets
- Additional voltage
control adjustments
- Other options per
request of customer
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Typical Cabinet Dimensions |
Case
Size |
Dimensions
(inches) |
| A |
B |
C |
D |
E |
F |
G |
| UT |
8-3/4 |
12 |
19 |
17 |
11 |
16 |
20 |
| SW1 |
12 |
15 |
22 |
18-1/2 |
12 |
20 |
25 |
| SW2 |
14 |
17 |
25 |
22 |
14-1/2 |
22 |
28 |
| SW3 |
14 |
20 |
28 |
25-1/2 |
14-1/2 |
25 |
31 |
Air Cooled SW Series Rectifier Ordering Guide
Configure an 8-position model number like
SSAI
20-20 ABC
Positions from left to right are as follows:
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Position #1: Model |
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S
= SW Series Air Cooled Rectifier |
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Position #2: Type |
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S
= Standard Rectifier (Manual taps) |
V = Variac Control |
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Position #3: Cooling |
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A
= Air Cooled |
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Position #4: Stack Type |
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I = Silicon (while other stack types are available, silicon
is recommended) |
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Position #5: DC Volts |
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List
Maximum DC Voltage Desired |
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Position
#6: DC Amps |
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List Maximum DC
Amperage Desired |
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Position
#7: AC Input |
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A =
115/230, single-phase
B = 230/460, single-phase |
E = 115/480, single-phase
F = Specify |
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Position
#8: Special Features |
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A = Dual
input wired for low voltage
B = Dual input wired for high voltage
C = AC and DC arrestors
D = DC arrestor
E = AC arrestor
F = Efficiency filter choke
G = Communications filter
H = Meter switches
I = Base mounting
J = Power On indicator light |
K = DC
failure warning light
M = DC breaker or fuse
R = 115 VAC convenience outlet
N = Powder coated cabinet (hot-dipped
galvanized standard on most models)
O = Aluminum or stainless steel cabinet
T = Anodized aluminum cabinet
U = Anodized aluminum with clear coat
P = Additional voltage control link bar taps
Q = Other, specify |
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