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The IsoBox
Medical
Grade Isolation Transformers
For Safer Use of Medical Electronics in
Patient Care Areas
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Introducing the IsoBox SERIES, a new product line of Medical
Grade Isolation Transformers with low noise and low EMR
(Electro-Magnetic Radiation). Four standard models are available in
attractive aluminum cases for floor or wall mounting.
For Patient Care Areas*, our IsoBox Series offers added
safety when using electronic or electromedical devices. By connecting
such apparatus to the IsoBox, you will benefit from the added
protection and you may rest assured that you will be in full compliance
with the legal requirements of maximum 100 µA leakage current and
isolation as stipulated by the NEC (National Electrical Code) and UL
(Underwriters, Laboratories) safety standard UL2601.1.
You can also realize some savings in your purchasing budget
when buying standard commercial grade printers, video monitors,
computers and other devices and connect them to our IsoBox, instead of
paying for higher priced medical grade components. Our IsoBox will take
care of the required maximum leakage current requirements for Patient
Care Areas*.
There are two basic series available. The U.S. series
operates at 117V/60Hz for U.S. and Canadian installations. The
International series is designed to operate in North America as well as
overseas and in South America.
Using our own design and manufacture of the toroidal power
transformers for the IsoBox, we can achieve a voltage drop of only 6%
for the 300VA rating and smaller for the larger power ratings. The
toroidal transformer inside the IsoBox is virtually hum free, generates
very low EMI (Electro Magnetic Interference) and runs quite cool, also
at rated full load. Computer and video monitors can be sensitive to EMI
as are many other electronic devices.

Domestic
Models:
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A-Series |
|

A-Series
120V - 60 Hz In
120V Out
300, 600, 900, 1200, 1700VA.
Filtering and Surge suppression Optional.
Listed by UL:
UL 2601.1 CSA 601.1 |
|
|
A-Series:
North
American/Domestic Medical
Hospital Grade Isolation Transformer
For Safer Use of Medical Electronics in Patient
Care Areas
The Medical Grade Isolation
Transformers have both low mechanical noise and low EMR
(Electro-Magnetic Radiation). We have two standard formats, available
in attractive white aluminum cases for floor, wall, chassis and cart
installation. Typical applications include installation of computers,
video monitors, surveillance cameras, test and measurement instruments,
printers, clinics, doctor’s offices, or whenever safe operation of
electronics equipment requires low leakage current levels.
This line of enclosed
isolation transformers offers all the advantages of the toroidal
constructions such as low weight, low magnetic strayfield, low
mechanical noise, low losses, high efficiency and cool operating
temperature. The low height of the toroidal transformer allows the
enclosure to have a low profile for easy installation in a modern
office environment.
The enclosures are
made of sturdy aluminum with a white finish. Other colors are optional.
On all the North American/Domestic models, the secondary neutral
conductor is grounded. To order models without the secondary neutral
bond to ground, please call the factory.
| A Series: |
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- Safety Agency Approvals:
UL listed to 2601.1 and CSA 601.1
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- Wall, chassis, table-top
and cart installations
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- Illuminate On/Off Circuit
Breakers
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Now
with optional filtering, surge suppression, and detachable cord:
| All North
American/Domestic Models of the IsoBox series Isolation Transformers
operate at 60Hz line frequency with 120V input and 120V output. Each
isolation transformer comes equipped with four rubber feet for floor or
tabletop installation. Two brackets are also supplied for wall or
chassis mounting. We can design units with more or fewer outlets and
also change the cord length per your request. |
|
Data:
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C-Series |
|

C Series
120V - 60 Hz In,
120V Out
300, 600, 900, 1200, 1700VA
Filtering and Surge suppression Standard.
Listed by UL:
UL 2601.1 CSA 601.1 |
|
|
|
C-Series:
North
American/Domestic Medical
Hospital Grade Isolation Transformer
For Safer Use of Medical Electronics in Patient
Care Areas
The Medical Grade Isolation
Transformers have both low mechanical noise and low EMR
(Electro-Magnetic Radiation). We have two standard formats, available
in attractive white aluminum cases for floor, wall, chassis and cart
installation. Typical applications include installation of computers,
video monitors, surveillance cameras, test and measurement instruments,
printers, clinics, doctor’s offices, or whenever safe operation of
electronics equipment requires low leakage current levels.
This line of
enclosed isolation transformers offers all the advantages
of the toroidal constructions such as low weight, low magnetic
strayfield, low mechanical noise, low losses, high efficiency and cool
operating temperature. The low height of the toroidal transformer
allows the enclosure to have a low profile for easy installation in a
modern office environment.
The enclosures
are made of sturdy aluminum with a white finish. Other
colors are optional. On all the North American/Domestic models, the
secondary neutral conductor is grounded. To order models without the
secondary neutral bond to ground, please call the factory.
| C Series: |
|
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|
- Safety Agency Approvals:
UL listed to 2601.1 and CSA 601.1
|
|
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|
- Illuminate On/Off Circuit
Breakers
|
- Wall, chassis, table-top
and cart installations
|
|
The C series offers
the same specifications as the A series, but have the power in and
outlets at different locations. The unit has standard filtering and
surge suppression, and we also offer an optional detachable cord. We
can design units with more or fewer outlets and also change the cord
length per your request.
|
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| Data: |
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International-Multi-Voltage
Models:
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W-Series |
|

W Series
120/240V - 50 Hz In
120/240V Out
300, 600, 1000VA
Filtering Standard
Listed by ETL/SEMKO:
UL2601.1, CSA 601.1, EN60601.1
CE Marked |
|
|
The Medical Grade Isolation
Transformers have both low mechanical noise and low EMR
(Electro-Magnetic Radiation). We have two standard formats, available
in attractive white aluminum cases for floor, wall, chassis and cart
installation. Typical applications include installation of computers,
video monitors, surveillance cameras, test and measurement instruments,
printers, clinics, doctor’s offices, or whenever safe operation of
electronics equipment requires low leakage current levels.
This line of
enclosed isolation transformers offers all the advantages
of the toroidal constructions such as low weight, low magnetic
strayfield, low mechanical noise, low losses, high efficiency and cool
operating temperature. The low height of the toroidal transformer
allows the enclosure to have a low profile for easy installation in a
modern office environment.
The enclosures
are made of sturdy aluminum with white finish. Other
colors are optional. On all the International/Multi-Voltage models, the
secondary neutral conductor is NOT grounded.
| W Series: |
|
- Input/Output: Selectable,
115 or 230V 50-60Hz
|
- Safety Agency Approvals:
UL2601.1, CSA C22.2 No. 601.1, EN60601-1, EN60742, IEC601-1
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- Thermal Current Limiting
Fuse
|
- In-Rush Current Limiting
Design
|
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W Series -
Now
with optional filtering, surge suppression, and detachable cord:
| The International series
has selectable input voltages (115 or 230V) through a power entry
module with power switch and current limiting fuses. In addition, the
selectable output voltage, 115/230V, makes these units suitable for
most applications and locations worldwide. Filtering is standard. |
|
Data:
| Order |
TCM
Part No. |
Power
VA |
Current
120/
240V
(A)
|
Regu-
lation
(Voltage
Drop) |
No.
Outlets
IEC 320 |
Dimensions |
Weight |
Recomm.
Length
Ft.
|
Cord
Size
AWG/
mm2 |
| Inches |
mm |
Lbs. |
Kg |
 |
ISB-030W |
300
|
2.5/1.25 |
< 6%
|
4
|
7.6x5.9x3.1 |
193x150x79 |
8 |
3.6 |
10 |
18/0.75 |
 |
ISB-060W |
600 |
5.0/2.50 |
< 5% |
6 |
10.5x6.5x3.5 |
267x165x89 |
13 |
6.0 |
10 |
18/1.00 |
 |
ISB-100W |
1000 |
8.3/4.17 |
< 3% |
9 |
12.0x8.6x3.9 |
305x218x99 |
24 |
11.0 |
10 |
16/1.50 |
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M-Series |
|

M Series
100/120/220/240V-50Hz In
120/240V Out
300, 600, 1000VA
Filtering Standard.
Listed by ETL/SEMKO:
UL2601.1, CSA 601.1, EN60601.1
CE Marked |
|
M-Series:
International
/ Multi-Voltage Medical
Hospital Grade Isolation Transformer
For Safer Use of Medical Electronics in Patient Care Areas
The Medical Grade Isolation
Transformers have both low mechanical noise and low EMR
(Electro-Magnetic Radiation). We have two standard formats, available
in attractive white aluminum cases for floor, wall, chassis and cart
installation. Typical applications include installation of computers,
video monitors, surveillance cameras, test and measurement instruments,
printers, clinics, doctor’s offices, or whenever safe operation of
electronics equipment requires low leakage current levels.
This line of enclosed isolation transformers offers all the advantages
of the toroidal constructions such as low weight, low magnetic
strayfield, low mechanical noise, low losses, high efficiency and cool
operating temperature. The low height of the toroidal transformer
allows the enclosure to have a low profile for easy installation in a
modern office environment.
The enclosures are made of sturdy
aluminum with white finish. Other colors are optional. On all the
International/Multi-Voltage models, the secondary neutral conductor is
NOT grounded.
| M Series: |
|
- Input/Output: Selectable,
115 or 230V 50-60Hz
|
- Safety Agency Approvals:
UL2601.1, CSA C22.2 No. 601.1, EN60601-1, EN60742, IEC601-1
|
|
|
- Thermal Current Limiting
Fuse
|
|
|
- In-Rush Current Limiting
Design
|
- Thermal Current Limiting
Fuse
|
|
|
|
M Series -
(Now
includes Japan, 100V, input voltage)
| The Multi-National series
has expanded the International series input voltages to include
100/120/220/240V, through a power entry module with power switch and
current limiting fuses. In addition, the selectable output voltage,
115/230V, makes these units suitable for almost all applications and
locations worldwide. The outlets are type IEC320-C14. Filtering is
standard. The M series also have the capability to fasten the input and
output cords through available clips and clamps. |
|
Data:
| Order |
TCM
Part No. |
Power
VA |
Amps
(A)
|
Regu-
lation
(Voltage
Drop) |
No.
Outlets
IEC 320 |
Dimensions |
Weight |
Recomm.
Length
Ft.
|
Cord
Size
AWG/
mm2 |
| Inches |
mm |
Lbs. |
Kg |
 |
ISB-030M |
300
|
2.5/1.25 |
< 7%
|
3
|
9.56x5.9x3.1 |
243x150x79 |
8 |
3.6 |
10 |
18/0.75 |
 |
ISB-060M |
600 |
5.0/2.50 |
< 5% |
6 |
10.5x6.5x3.5 |
267x165x89 |
13 |
6.0 |
10 |
18/1.00 |
 |
ISB-100M |
1000 |
8.3/4.17 |
< 3.5% |
9 |
12.0x8.6x3.9 |
305x218x99 |
24 |
11.0 |
10 |
16/1.50 |
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