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BN-15 Uninterruptible Power Supply System
48(24) V DC uninterruptible supply system with NAP-2 unit, battery protection and two DC feeders.
The BN-15 supply system consists of a rectifier/charger and high-frequency voltage converter, NAP-2 supply unit, battery blocks and automatic feeder circuit breakers. NAP-2 supervises the batteries, signals low voltage and disconnects the battery through a contactor at the safety threshold.
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Integrated NAP-2 battery protection
NAP-2 prevents deep battery discharge and restarts charging after the 230 V AC supply returns.
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Two DC feeders
The DC distribution includes automatic circuit breakers with auxiliary signalling contacts.
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Integrated or separate battery installation
The system can be installed in NBO, SPMO or a metal cabinet.
- Voltage
- 230 V AC +10% / -15%, 50 Hz
- Protection
- 6 A automatic circuit breaker, EMI filter
- Voltage with 230 V AC present
- 54.6(27.3) V ±1%
- Battery voltage range
- 42-52(21-26) V
- Ripple
- <0.5%
- Output current
- 18(30) A
- Output power
- 500(400) W
- Batteries
- 4(2) blocks of 12 V / 7, 9 or 28 Ah, dryfit
- Number of feeders
- 2
- Temperature range
- -25 to +55 °C
- Dimensions
- 335 x 355 x 175 mm plate for NBO; 330 x 210 x 110 mm plate for SPMO; 380 x 380 x 210 mm cabinet
Input
48(24) V DC output
Battery and distribution
General
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