NorthStar - NSB 12-425RT
Battery, Pure Lead - High Rate
The NSB 12-425RT UPS Battery® delivers superior performance at high discharge rates down to <15 mins.
Key Features
- Performance excels at high rates of discharge and recharge
- Pure lead electrochemistry greatly increases temp and corrosion resistance while reducing component aging
- Thin plates deliver large surface area high power density and low resistance
- Design life 15+ years at 20°C (68°F)
- EUROBAT design life definition: Very Long Life (12+ years)
- High modulus Polyphenylene Oxide (PPO) plastic materials designed to withstand extended elevated operating temperatures and maintain high battery compression essential for reliable operation
- Flame retardant (UL 94 VO) and LOI of at least 28%
- High energy density
- Operating temperature range -40°C to +65°C (-40°F to 149°F)
- State-of-the-art automated manufacturing ensures consistency and reliability
- Advanced 3 stage terminal design to ensure leak-free operation - brass terminals provide maximum performance\
- Non-halogenated thermally sealed plastic casing
- Approved as non-hazardous cargo for ground, sea, and air transport DOT 49CFR173.159(d), (I), and (ii)
Electrical
| Terminal | Female M8 x 1.25 |
|---|---|
| Terminal torque | 8.0 Nm (71 in-lbs) |
| 4C (15min) power to 1.67 VPC | 410 Watts/Cell |
| Float voltage | 2.27 VPC |
| Shelf life | up to 24 months |
| Conductance | 1921 S |
| Impedance (1Khz) | 2.6 mΩ @ 25°C (77°F) |
| Short circuit current | 3500 A |
| Operation temperature range | -40°C to +65°C |
| Nominal voltage | 12 V |
| Silver equivalent | NSB 12-420FT |
Dimensions
| Height | 11.3 in |
|---|---|
| Width | 4.2 in |
| Length | 15.6 in |
| Weight | 77 lbs |
Constant Power Discharge Ratings (WPC @ 25°C/77°F)
| End of discharge (Volts) | 2 min | 5 min | 10 min | 15 min | 20 min | 30 min | 45 min | 60 min | 120 min |
| 1.75 | 925 | 688 | 490 | 386 | 321 | 242 | 189 | 142 | 80 |
| 1.70 | 1027 | 739 | 516 | 402 | 332 | 248 | 182 | 144 | 80 |
| 1.67 | 1083 | 766 | 529 | 410 | 338 | 252 | 184 | 146 | 81 |
| 1.65 | 1117 | 783 | 537 | 415 | 341 | 254 | 185 | 146 | 81 |
| 1.60 | 1193 | 818 | 554 | 426 | 348 | 258 | 187 | 148 | 81 |
* All NorthStar batteries are compliant with: Telcordia SR4228, IEC 60896; Bellcore GR-63-Core, Issue 1; British, German, and Russian telecom standards; UL approved and UN2800 certified. NorthStar is registered to ISO 9001 and ISO 14001.
Have more questions about NorthStar Batteries and Power Reserve solutions? Need to Purchase NorthStar Products? Call us at 410-583-1701 or email us at questions@pulsesupply.com.