- American Power Conversion
APC is the largest manufacturer of small UPSes (<2000 VA)
and has a whole line
of UPS systems (mostly line interactive), software, and
power system accessories which can be purchased directly
from them or via many retail
outlets around the United States and overseas.
- Belkin
Belkin makes a lot of computer connectivity products,
including UPSes.
- Clary Corporation
Clary sells UPS products and specializes in emergency,
military, and life support systems. They also sell
management software and accessories.
- Controlled Power Company
Controlled Power produces UPS systems, power conditioners,
voltage regulators and transformers. Equipment can be
ordered direct.
- Eaton Powerware
Eaton Powerware includes the product line that was formerly
Best Power, Inc.. They produce many types of UPS systems.
more advanced line interactive systems, and ferroresonant
line interactive systems as well as software, PDUs, and
power system accessories.
- Emerson Electronics
Emerson is a big electronics conglomerate. Its claim to
fame in the UPS world is that it's the parent company to Liebert.
- Energy Technologies, Inc.
Energy Technologies provides power devices (including UPSes)
for physically demanding customers, including military and
vehicle uses. Most if their UPS systems seem to fall in
the 600 to 6000 VA range.
- Exide Electronics
One of the bigger players in the data center sized UPS
system industry, Exide also makes more modest sized
on-line and line interactive systems. Exide products
can be purchased direct or from their distributors.
- Gamatronic Electronic Industris, Ltd.
We're told these guys are the largest UPS manufacturer
in Israel and the Middle East. Their product line runs
the gammut from 1000 VA to 150 kVA systems.
- General Electric Industrial Systems
Yup, GE makes UPSes from 300 VA up to MVA systems.
- IntelliPower, Inc.
Intellipower sells on-line UPS systems and management software.
- Liebert
A subsidiary of Emerson Electronics (see above), Liebert
is probably the largest manufacturer of large (10 kVA +)
UPS systems. Also well known for their other data center
products including power distribution units and HVAC
products. They also make smaller UPS systems (300 VA on
up), but these are not nearly as popular.
- MGE UPS Systems
MGE UPS Systems sells UPS systems from 300 VA to the very
large and additional power equipment.
- Mitsubishi Electric Automation
Mitsubishi Electric Automation seems to specialize in
larger (> 5 kVA) UPSes, but they make them as small as
1 kVA.
- Oneac
Oneac sells line interactive and online UPS systems with
software in the US and UK. They were acquired by the
Chloride Group (see Chloride Power, below) in 1998.
- OPTI-UPS
OPTI-UPS makes standby, line-interactive, and online UPS
systems ranging from 375 VA to 8000 VA.
- Philtek
Philtek makes inverters and other similar power system
components.
- SL Waber
SL Waber sells mostly UPS systems including the Tripp Lite
brand name as well as a wide assortment of surge suppression
and other power accessories.
- Toshiba
Toshiba sells a lot of things, including UPSes. They sell
online UPSes from 1400 VA to the 300 kVA range. One of
Toshiba's product lines are UPSes specially designed to
automatically configure themselves to work with both US
(60 Hz) and European (50 Hz) power.
- P3 International
P3 International makes a number of cool consumer electronics
devices, but as far as this document is concerned, the
most interesting is an easy-to-use and relatively
inexpensive power monitoring device called "Kill A Watt".
When you can't or don't want to use a good break-out cable
and ammeter, this device is a good choice for measuring
power consumption.
- Power Innovations International, Inc.
Power Innovations sells online UPS systems ranging from
500 VA to 400 kVA.
- Chloride Power
Chloride Power is a relative newcomer to the U.S. market
but has much more experience and is better known in Europe.
For the US market Chloride produces online UPS from the 700
VA to 3000 kVA range, and what look like they might be
standby systems from 300 VA to 650 VA.