APC BN450M Back-UPS is a 450VA, 255W standby uninterruptible power supply designed to provide battery backup and surge protection for connected electronics. The 120V unit provides six NEMA 5-15R outlets, including four battery-backup and surge-protected outlets and two surge-only outlets.
Power Protection
The BN450M uses standby UPS topology with a 120V AC nominal input and output. It provides 450VA of rated capacity and 255W of maximum configurable power. The unit uses a square-wave output waveform and has a typical transfer time of 6 ms, with a maximum transfer time of 10 ms.
Outlets and Input
The UPS has a NEMA 5-15P input connection and a 5 ft (1.52 m) power cable. Four NEMA 5-15R outlets provide battery backup and surge protection, while two additional NEMA 5-15R outlets provide surge protection only.
Battery and Surge Protection
The BN450M uses an internal lead-acid battery and has a typical recharge time of 8 hours. APC specifies a 180-joule surge energy rating. The battery is not user replaceable for this model.
Monitoring and Alerts
An LED status display provides information about utility power and UPS operating status. Audible alarms notify users when the unit changes to battery operation and when the battery reaches a low level.
Key Features
- 450VA / 255W standby UPS capacity
- Six NEMA 5-15R outlets with four battery-backup outlets
- Two additional surge-protection-only outlets
- 180-joule surge energy rating
- LED status display with audible battery alerts
DC Supplies Product Note
The BN450M is a 120V model with NEMA 5-15P input and NEMA 5-15R output connections. Its 255W maximum power rating should be considered when determining the total connected load. The unit is not rack-mountable and the internal battery is not user replaceable.
Specifications
| Specification | Details |
|---|
| Brand | APC |
| Part Number / MPN | BN450M |
| Product Type | Uninterruptible Power Supply (UPS) |
| Product Range | APC Back-UPS |
| UPS Topology | Standby |
| Rated Capacity | 450 VA |
| Rated Power | 255 W |
| Nominal Input Voltage | 120 V AC |
| Nominal Output Voltage | 120 V AC |
| Input Connection | NEMA 5-15P |
| Battery-Backup Outlets | 4 x NEMA 5-15R |
| Surge-Only Outlets | 2 x NEMA 5-15R |
| Total Outlets | 6 |
| Output Waveform | Square wave |
| Transfer Time | 6 ms typical; 10 ms maximum |
| Battery Type | Lead-acid |
| Typical Recharge Time | 8 hours |
| Surge Energy Rating | 180 J |
| USB Connectivity | None |
| Power Cable Length | 5 ft (1.52 m) |
| Dimensions | 253 x 140 x 105 mm |
| Weight | 2.6 kg |
| Mounting | Not rack-mountable |
FAQs
What is the power capacity of the APC BN450M?
The BN450M has a rated capacity of 450VA and a maximum power rating of 255W.
How many outlets provide battery backup?
Four NEMA 5-15R outlets provide battery backup and surge protection. Two additional NEMA 5-15R outlets provide surge protection only.
What input voltage does the BN450M use?
The BN450M is designed for 120V AC nominal input and uses a NEMA 5-15P input plug.
Is the battery user replaceable?
No. APC specifies the BN450M battery as not user replaceable.
Does the BN450M have USB connectivity?
No. The specified BN450M configuration does not provide USB connectivity.
