Locomotive and train inverters

Performance

• Efficiency of 85% minimum at rated load
• Overload capacity of 125 VA
• Non-polarized input
• Natural convection

Features

• Dc input connection through an 8-foot 2 conductor power cord
• AC output connection through a 2-pin receptacle
• Designed to meet NEMA 5 standards
• LED to indicate input and output availability
• Overload and short-circuit protected.

Specifications

• Input: 74 Vdc nominal
• Output : 117 Vac for nominal loads of 100 VA continuous
• Frequency: 60 Hz ± 0.05%
• Waveform: sine wave
• THD ‹5%
• Dimensions: 1 1/4"H x 4 "W 4"D
• Weight: 500g

Input

Voltage	74 Vdc nominal , 56 to 89 Vdc
Current	4.05 Amperes @74 Vdc and 300 VA load

Output

Voltage	117 Vac ±5% over full operating range
Power	300 Va nominal , 450 Va (max) 10 minutes
Current Limit	8 Amperes rms
Load Regulation	5% from no load to max load
Waveform	Sinusoidal (THD ‹2%)
Frequency	60 Hz ±1 Hz
Load Power Factor	0.7 lead to 0.7 lag
Efficiency	≥85% at nominal load

Indicators

DC input	On when voltage present and within operating range Flashing when voltage present and over or under range.
AC output	ON when available Flashing when not available due to over temperature. OFF when overcurrent

Protection

Over-current	Cut-off after 2 seconds, automatic reset after 30 seconds
Input Overvoltage	Shutdown above 90 Vdc
Input Undervoltage	Shutdown at 56 Vdc. Restart at 58 Vdc
Overload	Output thermally protected
Input Reverse Polarity	Protected
Input Protection	Fuse, surge suppression and filter.
Isolation	Transformer, floating output

Environment

Operating Temp.	-40°F to 160°F (-40°C to 71°C)
Storage Temp.	-40°F to 185°F (-40°C to 85°C)
Dimension	10.5’’D 7.25’’ L 5.38’’ H
Weight	10 Lbs (4.5 kg)

Input

Voltage	74 Vdc nominal , 64 to 89 Vdc
Current	40 Amperes @74 Vdc and 2500 VA load

Output

Voltage	117 Vac ±5% over full operating range
Power	2500 Va nominal , 2550 Va (max)
Current Limit	23 Amperes rms
Line Regulation	5% from no load to max load (64 to 89vdc)
Waveform	Sinusoidal (THD ‹5%)
Frequency	60 Hz ±1 Hz
Load Power Factor	0.7 lead to 0.7 lag
Efficiency	≥85% at nominal load

Indicators

DC input	On when voltage present and within operating range Flashing when voltage present and over or under range.
AC output	ON when available Flashing when not available due to over temperature. OFF when overcurrent
Fault Indicator	ON when input fuse is open

Protection

Over-current	Cut-off after 2 seconds, automatic reset after 30 seconds
Input Overvoltage	Shutdown above 90 Vdc
Input Undervoltage	Shutdown at 64 Vdc. Restart at 69 Vdc
Overload	Output thermally protected
Input Reverse Polarity	Protected
Input Protection	Fuse, surge suppression and filter.
Isolation	Transformer, floating output

Environment

Operating Temp.	-40°F to 158°F (-40°C to 70°C)
Storage Temp.	-40°F to 185°F (-40°C to 85°C)
Dimension	14.25’’H 10’’ L 9.5’’ D
Weight	48 Lbs (21.77 kg)

Input

Voltage	74 Vdc nominal , 64 to 89 Vdc
Current	46 Amperes @74 Vdc and 3000 VA load

Output

Voltage	117 Vac ±5% over full operating range
Power	3000 Va nominal, 3100 Va (max)
Current Limit	27 Amperes rms
Load Regulation	5% from no load to max load
Waveform	Sinusoidal (THD ‹5%)
Frequency	60 Hz ±1 Hz
Load Power Factor	0.7 lead to 0.7 lag
Efficiency	≥85% at nominal load

Indicators

DC input LED	Green ON Steady – Indicates operating voltage is within operating range Green Flashing – Indicates operating voltage is out of range (over or under). Green OFF – No input voltage or reverse polarity.
AC output LED	Green ON Steady – Indicates that 120Vac is available. Green Flashing, – Indicates overheating or overloaded. Green – OFF – No output voltage, because Dc over- under voltage, wrong polarity.
Fault Indicator LED	RED – ON – Input fuse is open

Protection

Over-current	Cut-off after 2 seconds, automatic reset after 30 seconds
Input Overvoltage	Shutdown above 90 Vdc
Input Undervoltage	Shutdown at 64 Vdc. Restart at 69 Vdc
Overload	Output thermally protected
Input Reverse Polarity	Protected
Input Protection	Fuse, surge suppression and filter.
Isolation	Transformer, floating output
Withstand voltage	1500VRMS 1minute between DC INPUT and AC OUTPUT to case and DC INPUT to AC OUTPUT.

Environment

Operating Temp.	-40°F to 160°F (-40°C to 71°C)
Storage Temp.	-40°F to 185°F (-40°C to 85°C)
Dimension	14.25’’H 10’’ L 9.5’’ D
Weight	48 Lbs (21.77 kg)

Input

Voltage	74 Vdc nominal , 64 to 89 Vdc
Current	46 Amperes @74 Vdc and 3000 VA load per channel (2 channels)

Output

Voltage	117 Vac ±5% over full operating range
Power	3000 Va nominal, 3100 Va (max) (per channel)
Current Limit	27 Amperes rms
Load Regulation	5% from no load to max load
Waveform	Sinusoidal (THD ‹5%)
Frequency	60 Hz ±1 Hz
Load Power Factor	0.7 lead to 0.7 lag
Efficiency	≥85% at nominal load

Indicators

DC input	On when voltage present and within operating range Flashing when voltage present and over or under range
AC output	ON when available Flashing when not available due to over temperature OFF when overcurrent
Fault Indicator	ON when input fuse is open

Protection

Over-current	Cut-off after 2 seconds, automatic reset after 30 seconds
Input Overvoltage	Shutdown above 90 Vdc
Input Undervoltage	Shutdown at 64 Vdc. Restart at 69 Vdc
Overload	Output thermally protected
Input Reverse Polarity	Protected
Input Protection	Fuse, surge suppression and filter.
Isolation	Transformer, floating output

Environment

Operating Temp.	-40°F to 158°F (-40°C to 70°C)
Storage Temp.	-40°F to 185°F (-40°C to 85°C)
Output power derating	25va/°C from 40°C to 71°C (104°F to 160°F)
Dimension	14.25’’H 18.43’’ L 9.5 ’’ D
Weight	108 Lbs. (49.09 kg)
Withstand voltage	1500VRMS 1minute between DC INPUT and AC OUTPUT to case and DC INPUT to AC OUTPUT.