Fortress Harsh 1
Harsh environment Emergency Lighting Inverter
Keep the lights ‘’ON’’ when you need them the most.
Single Phase 75W - 21KW
0.35, 0.525, 0.7, 0.875, 1.05, 1.4, 2.0, 2.4, 2.6, 3.0, 3.4, 3.8, 4.2, 4.7, 5.25, 7, 8, 10, 12, 14, 18, and 21KW
120, 208, 240, 277, or 480VAC
120, 277, 480, 120/240 or 120/277VAC
The Fortress Harsh 1 maintains efficient AC Emergency Power
to operate all emergency lighting fixtures at “full-light” output,
providing superior dependability and security to
commercial/industrial environments in an outdoor environment.
• 0.075 KW – 21 KW (or 75 Watts – 21,000 Watts) single phase
output unit uses the latest DSP/PWM technology to provide
the most advanced performance and reliability features
• 120V, 120/120V, 240V, 277V or 480V input 60Hz
• 120V, 208V, 240V, 277V, 480V, 120/240 or 120/277VAC
True “on-line” design is ≥92% efficient at 100% linear load
• Sealed, maintenance-free, lead calcium (AGM) batteries
• 10-Year prorated warranty
• DSP/PWM Smart Battery Monitoring System is TEMPERATURE
COMPENSATED maintaining maximum runtime and battery life
• Microprocessor controlled recharge and DSP/PWM overcharge
protection standard
• Emergency power provides FULL LIGHT OUTPUT from
all lamps and fixtures for the entire runtime
• Operates fluorescent, compact fluorescent, incandescent,
quartz, H.I.D., LED and other lamp types
• Standard or electronic ballasts, dimming devices or panels,
sensors and most control equipment
• Standard or LED Exits and other safety equipment
• Built to UL 924 and UL 1778 standards, meets NFPA 101, NFPA 70, NEC and OSHA standards
• Cities of Chicago and New York approved
• Complies with the Buy American Act
• Provides overload, surge and undercurrent protection using
DSP/PWM technology and DSPM Watchdog Software to
protect system performance and reliability
• Surge protection against load surges as defined in
ANSI/IEEE C62.45 category A and B
• DSP/PWM technology and DSPM Watchdog Software provides
complete self diagnostic capabilities and LED Monitoring
• Informative advanced Display and Alarms keep you
in control of your emergency lighting environment 24/7
• Automatically performs periodic self-tests ensuring a safely
lighted environment prior to an emergency
• Single point of testing instead of multiple testing points
with battery packs
• Modular design enables flexible installation
• Forced air cooling for maximum reliability
• Systems up to 10 KW are self contained; larger systems
require external battery cabinet(s)
• Modular design and small footprint allow easy installation in
an outdoor environment
• Phone assisted factory start-up standard for all systems
• Extended warranty available
• DSPM offers numerous UL924 optional devices to meet unusual
or difficult application parameters
• ECM – Environmental Circuit Module allows fixtures and lamps on
the emergency circuit(s) to be operated by normal switching
and/or dimming devices in NON-emergency conditions
• Dimming Panel Interface allows use with emergency lights
controlled by common dimmer panel
• 1-Year full warranty on system electronics
• System 1-year on-site warranty labor with
DSPM phone assisted start-up
• 5-Year powertrain warranty
• Maintenance contracts available
Utility Present:
When the utility is present the load is connected to the Utility (Input Source), Fortress Harsh Family takes the utility power and connects it to the load.
On Battery
In the case of a power outage, Fortress Harsh systems will convert the power on batteries to the required output power for the load.
Ordering information
Choose the bold face catalog nomenclature that best suites your needs.
Write them on the appropriate line. Order accessories as separate catalog number.
Example:
FTH1 – 8.0 – 120/277 – ECM277/3 OCB/277/3/20/1 – 180
Description of example:
(8.0 KW, 120 Voltage In, 277 Voltage Out, 3 277V Environmental Control Modules, 3 Output 277 Voltage Circuit Breakers at 20amps, 2 pole, 180 minute run time)
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