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Other Design Features:
- LISTED Power Supply (BBS) for use with
Traffic Signal Equipment. File: QQIJ, E218390
- Thermally-controlled cooling fan
- Automatic utility line power
bypass when utility line voltage is outside the range of 100 to 130 VAC
±2 VAC
- Automatic inverter mode
dropout when utility line power has been restored above 105 VAC ±2 VAC
for more than 30 seconds
- Lightning surge protection
compliant with IEEE 587/ANSI C.62.41
- Completely connectorized system
- LED indication for Inverter Power, Low Battery, High Temp, & Overload
- LED for Battery Charger On
& Full plus Check Batteries
- LED Battery Voltage Indicator
& Voltage Test Points
- LED for Relay A (On
Batt), Relay B (Low Batt), and Relay C (2 hour Time)
- Two terminal blocks provide
access to BBS Form C dry relay contacts
- Low Batt voltage threshold
(Relay B) is adjustable
- Inverter Run Time Meter w/reset
- Inverter Event Counter Meter w/reset
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Unit Protection:
- Automatic electronic short
circuit/overload protection
- Automatic over temperature shutdown
- Input and Output circuit breakers
Battery Protection:
- Automatic low battery shutdown at 21 VDC
- In-line battery cable fuse
- Remote temperature sense
cable
- Temperature compensated
battery charging system - shuts off over 50°C (122°F)
Communication:
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