Standby Power Supply for Cable TV

Standby Cable TV Power Supply

Product Model: AST-PSU-6915

Main Features

1-PSU Series Standby power supply is designed for powering equipments deployed in cable TV and Communication Systems
2-Ferroresonant transformer, which features complete line conditioning, provides fully regulated, reliable and un-interruptible quasi square wave AC Power
3-Easily accessible front panel connections make operation and maintenance, easy
4- Durable LED indicator of operation modes, battery voltage, output current and alarm are all visible at the front panel
5- Various voltage configurations provide more options and extend applications as well
6- Power Insertor, pole and wall mount (PWM) enclosure and ground mount (GM) enclosure are available as optional features

TECHNICAL SPECIFICATION

Parameter	AST-6915-L	AST-6915-W
Input Voltage (VAC)	120 VAC	120 VAC
Input Frequency (Hz)	60 Hz	50 Hz
Input Fuse Protection	8 Amp	8 Amp
Output Voltage (VAC)	60/90 VAC	60/90 VAC
Output current (A)	10/15 Amp	10/15 Amp
Maximum Output Current Power (VA)	900 VA	900 VA
Battery Voltage (VDC)	36 VDC	36 VDC
Standby time (Minutes)	220	220
Net Weight (Kgs)	19 kgs	19 kgs

Parameter	AST-6915
Input
Voltage range	-20% to 15%
Power factor	>0.90 at full load Output
Output
Voltage regulation	± 5%
Waveform	Quasi-square wave
Frequency stability	± 0.05% inverter mode ± 1% inverter mode
Short-circuit current	150% of maximum current rating
Efficiency	≥90% typical line mode
Efficiency	>80% typical standby mode
Transfer characteristic	Uninterruptible
Battery & Charger
Battery type	External sealed VRLA
Charger current	10A at 80% load and nominal input
Charging time	8 hours typical to 90% capacity
Low voltage cutoff	31.5VDC
Mechanical
Front panel features	Input, output and battery connections (terminal strip),
Front panel features	LED display, battery breaker, panel ammeter and ON/OFF.
LED display features	Line power, battery, inverter, load, fault and battery voltage.
Finish	Powder coated
Material	Aluminum
Dimensions	360x330x150mm
Dimensions	14.2”x13.0”x5.9”
Environmental
Operating temperature	-40°C to 50°C / -40°F to 122°F
Operating humidity	0 to 95% non-condensing Technical Note

Astel Digital

DESCRIPTION

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IF LINE AMPLIFIER